CITROEN Fault Codes DTC
CITROEN Fault Codes DTC - C3, C4, Jumper, Grand Picasso, Berlingo, Xsara.
The 1st character is the letter defining the type of defective system:
P - malfunctions of the power unit or transmission (automatic transmission).
B - malfunctions in the operation of body systems - airbags, power windows, central locking, etc .;
C - malfunctions in the chassis of the vehicle;
U - errors associated with the interaction of electronic modules.
The 2nd sign is a number that determines the specificity of the malfunction:
0 - a common character for OBD pads;
1 and 2 - personal codes of the automaker;
3 - reserved information.
The 3rd sign determines the type of breakdown:
1 and 2 - air or fuel supply;
3 - ignition unit, system for fixing the misfire ignition of the air-fuel mixture;
4 - an additional emission control mechanism;
5 - control of vehicle speed and idle;
6 - electronic control modules, as well as their wiring;
7, 8 - errors in the operation of the gearbox;
9, 0 - reserve.
The 4th and 5th signs of the error are the numbers that correspond to the sequence number of the fault.
Table with errors
Message / Decryption
ABS Fault General error code for the ABS anti-lock braking system (ABS).
Possible causes of the problem: malfunction of one of the sensors mounted on wheels;
failures in the functioning of brake linings or pads;
faulty wiring; malfunctions of the control module anti-blocking system or engine control.
Airbag fault Malfunction in the Airbag passive safety system (Air Bag in Russian), possible problems:
malfunctioning sensors; triggering of squibs as a result of a collision; system control unit malfunction.
Antipollution fault or antipollution system faulty The Anti-Polarity message appears when there is a malfunction in the exhaust gas treatment system. If all sensors are intact, check the tightness of the system and the absence of damage to the hoses.
Automatic central locking Driver warning for automatic door locking
Automatic gearbox fault Malfunction of an automatic or robotic gearbox (automatic gearbox). If the problem is not the controllers, then it must be sought in the drive mechanism and the control module.
Automatic wiper Automatic wiper operation
Battery charge fault Battery needs to be charged
Brake fluid level (Brake fluid low)
Brake pads worn Wear and brake pad replacement
Catalitic Converter fault Malfunctioning exhaust gas treatment
Child safety status Warning about the activation of the childproof door lock system
Control mot defail The common name for a complex error, most likely the problem is fuel. First of all, you need to try to use up all the fuel and refuel at another gas station.
Coolant level warning Lack or low level of refrigerant in the cooling system. If there is enough liquid in the expansion tank, the user needs to check the operation of the system sensor.
Deadlocking active The mechanism of double locking of door locks is activated
Diesel additive low level Reduced diesel additive
Door open engine running Warning about an open door or luggage compartment on a car with a running engine
Driver seat belt warning Not fastened seat belt of the passenger or driver
Economy mode active Activate the economy mode of movement
Engine oil level too low Lack of engine fluid in the engine. If the oil level is normal, then the problem should be sought in the problems associated with the oil volume controller.
Engine oil pressure too low Lubricant pressure in the power unit
Engine oil temperature Increased engine fluid temperature in the engine
Engine temperature too high Powertrain overheating
EOBD fault Malfunctions in the control system, the problem may also be related to the functioning of the control unit
ESP fault Malfunctions recorded in the dynamic stabilization system
Fuel pump cut-off Warning the user to turn off the fuel pump. This problem may be accompanied by the inability to start the engine.
Gear fault On Citroen Jamper, C4 New and other versions, this code indicates a malfunction in the gearbox of a car, meaning automatic transmission. It is necessary to check the level and volume of the transmission fluid, the problem usually is its lack.
Handbrake on Parking brake lever raised
Ice alert Possible risk of ice at an air temperature of -3 to +3 degrees. With this error, the air temperature icon on the dashboard blinks.
Key leftin ignition Key in the ignition switch
Lights in AUTO mode Automatic optics activation mode enabled
Low Fuel Level Fuel tank lack or small amount of fuel
Max coolant temperature Increased engine antifreeze temperature, overheating of the power unit is possible
Oil level warning Low oil volume recorded in machine engine
Oil pressure The pressure of the lubricant in the motor is not in accordance with the standard values. If the problem appeared after changing the oil, then most likely there is an excess of liquid in the motor, then it is recommended to partially drain or pump it out with a syringe. If the reason is due to a lack of consumables, then it should be looked for in an oil leak. Perhaps part of the lubricant goes to soot.
Overspeed warning Overspeed
Passenger airbag diactivated Disabling the passenger side airbag
PF clogging ris Particulate filter clogging, which in general can lead to incorrect operation of the power unit
Plip battery low Low battery installed in the electronic key or control panel
Puncture warning Damage to one of the vehicle's tires
Serious suspension fault This code is generalized and indicates problems with the operation
CITROEN Fault Codes DTC - C3, C4, Jumper, Grand Picasso, Berlingo, Xsara.
CITROEN Error Code DTC/ Description
C98A Unknown error indicating other malfunctions
C98B Also unknown DTC
FA58 Unknown CM calculator error. If there are no signs of malfunctions, then you need to test all the nodes of the car using other equipment or software.
P0244 Malfunctioning valve A control gas bypass of the turbine
P0410 (0410) General malfunction in the operation of the exhaust air supply system
P0420 Catalytic converter malfunctions associated with poor device performance.
Passive Safety System Errors
B0100 Faulty front airbag sensor element. The reason may be the activation of the igniter or sensor malfunction, as well as poor contact with the network.
B1001 Internal programming error of the passive safety control module. It is necessary to check the quality of the connection of the device, and also make sure that there is no damage on the connector block. If the block is visually whole, then the problem may be programmatic in nature.
B1003 Telecoding error. The problem may be with the passive safety module or other devices. If you have recently replaced or turned off the radio, then the problem may be related to the operation of the audio system.
B1602 Short circuit to battery on the control line or in the shock controller itself. We need to test the connection, because the problem is the wiring.
Faulty exhaust gas recirculation system
P0401 The problem is with the exhaust gas recirculation system. It is necessary to check all the lines and connections of the unit for damage and leakage.
P0402 Increased circulation in the exhaust system
P0403 There is also a malfunction in the exhaust gas recirculation system, but now the control unit reports circuit failures
P0405 Malfunction of the position controller of the valve And the exhaust gas recirculation system. A critical signal is received from the controller to the control module.
P0488 Malfunction in the EGR (exhaust system) associated with the damper position mechanism. The cause of the problem is an incorrect range of operation or an incorrect signal coming from the device.
P0489 Reduced signal or voltage on the exhaust gas recirculation control line. The cause of fault 0489 should be sought in one of the sensors or in the control module.
P0490 Critical high voltage on the exhaust gas recirculation control line
P1162 Incorrect signal for determining the position of the valve of the exhaust gas recirculation system with electric control. With this error, you need to check the contacts and wiring.
P1304 Error in the exhaust gas recirculation system - calibration is critically high
P2143 Malfunction of the exhaust gas recirculation control valve. The problem is the open loop. That is, in damage or a break in the power line.
P2279 Loss of tightness in the intake system, if the error is not random, then it is accompanied by the following symptoms:
- unstable operation of the power unit at idle, up to its jamming;
- the appearance of dips during acceleration, the engine can also stop when you sharply press the accelerator pedal;
- as a result of work on a lean mixture, the temperature of the motor may increase, overheating of the unit is possible;
- increase in fuel consumption.
The user must check the following items:
- throttle assembly;
- connecting the intake manifold to the cylinder head;
- vacuum brake booster;
- adsorber valve;
- a hose connecting the housing of the air filter device with a throttle unit;
- vacuum nozzles, their joints and tees;
- gaskets located on fuel nozzles;
- idle speed sensor.
Description of CITROEN engine errors
P0033 Engine Turbocharger Bypass Valve Failure. The problem may occur as a result of damage or breakage of the control and power line.
P0034 Also a malfunction associated with the turbocharger, in particular its bypass valve. The engine control unit may receive a lower signal level from the device.
P0171 Re-depleted air-fuel mixture, the causes of the problem may be as follows:
nozzle malfunction or clogging; cleaning will be necessary with a special stand to fix the problem;
untimely replacement of filters;
the appearance of deposits and contaminants in the fuel tank;
malfunctions in the operation of sensors designed to control the opening of air valves;
regular refueling of the vehicle with low-quality fuel;
damage to the intake manifold or violation of its tightness.
P0172 (0172) Re-enrichment of the air-fuel mixture, to eliminate the cause, the following components and elements must be checked:
Malfunctions related to the intake system. The user needs to diagnose the air filter and replace it in case of clogging, as well as check the operation of the air and throttle valves located in the intake manifold. If they do not open to the end, then you need to adjust the elements or replace them.
Malfunctions of air pressure sensors in the intake manifold or flow meter. The latter should be cleaned if clogged.
Malfunctions associated with the operation of fuel injectors. Perhaps the device does not withstand the right pressure.
Malfunction of the pressure reducing valve of the fuel rail.
Failure to work or failure of the oxygen regulator.
P0173 Violations in the formation of a combustible mixture in the second cylinder of the engine
P0217 Problem related to overheating of the power unit, possible causes:
lack of engine oil caused by leakage, or the use of low-quality fluid;
failure of the thermostat;
the use of a refrigerant that has exhausted its service life or the formation of deposits in a consumable;
failure of one of the sensors of the power unit;
malfunction of the control unit;
coolant leakage from the system due to damage to the nozzles.
P0234 Turbocharger Pressure - Upper Limit Exceeded. It is recommended to check the operation of the turbocharged unit, as well as all the sensors connected to it and the wiring.
P0299 Critical low boost pressure of turbocharger or drive pressure device recorded
P0300 Malfunction associated with a malfunction in the engine cylinders. In one of them, misfires are possible, but the device number is not specified, so the user needs to search for it on their own.
P0301 Misfire recorded in the first cylinder of a car engine
P0304 The appearance of misfire in the fourth cylinder of the engine, possible causes of the problem:
Poor sparking on candles. The problem may consist in an incorrectly set gap on the device or the appearance of soot and deposits on its electrode. In the second case, cleaning will solve the problem. Also, the absence of a spark can be due to damage or poor contact with the high-voltage wire, malfunction of the distributor or its breakdown.
Reduced compression in the fourth cylinder of the engine. The problem may be related to the coking of the piston rings, therefore, to eliminate the cause, it will be necessary to clean the elements.
Switchgear malfunctioning or cracking on its housing.
Use of low quality fuel. To fix the problem, you need to completely use up gasoline and refuel at another gas station.
Low fuel pressure in the system due to a malfunction or failure of the fuel pump.
Malfunctions or damage to the fuel injector power cable.
P0313 Misfire detected as a result of reduced fuel volume. It is necessary to check the fuel level in the gas tank and replenish its volume. Misfire may be due to incorrect operation of the engine control unit.
P0495 The rotation speed of the electric fan is too high. The problem may be related to overheating of the power unit and the attempt of the ventilating device to reset its temperature. Therefore, first of all, the user needs to check the coolant for boiling.
P0597 Thermostat malfunction. The error may consist in breaking the relationship or opening the control line of the device. If the thermostat is really inoperative, this will cause the motor to overheat.
P0598 Malfunctioning thermostat. In this case, the user needs to check the wiring, since an error indicates a short circuit to the ground of the control and power cable.
P1015 Malfunctioning variable valve lift system. The control unit notes that the natural throttle position has not been reached.
P1062 Malfunction of the variable valve lift system - its position does not correspond to the normalized parameters
P1067 Error related to variable valve lift system, but in this case it indicates an open circuit
P1153 Literal translation of the error of adaptation or learning the extreme position of the throttle
P1160 (1160) Malfunctioning throttle. It is necessary to test the node for possible sticking mechanism, as well as communication failure.
P1161 (1161) Throttle position adjustment error. The problem is a short circuit to ground, a voltage source, or a violation of the relationship with the device.
P1163 (1163) Malfunction of the injector control system The malfunction lies in the problem of adjusting the delay time of the second nozzle.
P12AA Lock one of the nozzles in the open state
P1313 Misfire in the operation of the catalytic neutralization system
P1327 General malfunction code in the ignition system, possible causes:
- failure of one or more spark plugs due to failure of the device or the appearance of soot on its electrodes;
- malfunction or damage to high voltage cables;
- failure of one or more ignition coils, depending on the configuration of the car;
- malfunction of the distributor - ignition distributor;
- malfunction of the control unit or software malfunction of the module.
P1336 (1336) Misfire in one of the cylinders of the power unit, the device number is not marked
P1337 (1337) Misfire in the first cylinder of the engine
P1338 (1339) Misfire in the second cylinder of the power unit
P1339 (1339) Misfire in the third cylinder of the engine, the problem is due to the influence of the catalytic converter
P1340 (1340) Misfire in the fourth cylinder of the power unit
P1351 (1351) Malfunctioning glow plugs on a diesel engine. The problem may be due to a malfunction of the candle relay.
P1385 Detonation in the operation of the power unit, possible causes of this problem:
- knock sensor failure;
- malfunction of the oxygen controller;
- the use of low-quality fuel or a low octane number of fuel (for example, the use of gasoline A-92 instead of A-95);
- clogged fuel filter;
- malfunction of engine nozzles;
- restrictions on the operation of the fuel injector;
- incorrectly selected spark plugs for the motor;
- problems associated with cooling the power unit;
- malfunctioning engine control system.
P2074 Problems associated with absolute pressure in the manifold. Incorrect correlation or inability to conduct this process with a throttle.
P2098 The error can be translated as “lean mixture in the engine cylinders, fuel balance is impaired after the catalytic converter”
P2101 Throttle Actuator Control Error
P2176 Missing minimum throttle position data (device could be stuck)
P2177 Depleted air-fuel mixture formed in the cylinders of the power unit. It is noted that violations in the formation are recorded at any events, except idling. The problem should be sought in the first bank of the car engine.
P2178 (2178) Re-enrichment of the air-fuel mixture in the engine cylinders
P2191 (2191) The depletion of the air-fuel mixture, which may be due to malfunctions of the oxygen sensors or the mass air flow rate, as well as clogged filters. Sometimes the problem lies in the incorrect operation of the control module by the motor.
P2192 Critically enriched combustible mixture that locks when the engine is operating under high load. The problem is observed in the first bank of the power unit.
P2196 Re-enrichment of the mixture between the input and output controllers, the problem is the violation of the relationship. If the oxygen sensors are operational, then to fix the problem, you must perform a flashing of the car's on-board computer.
P2263 Charge pressure control error The problem is overheating of the turbocharged unit.
P2291 An error occurs with a critically low nozzle control pressure detected by cranking the starter
P3010 Incorrect throttle signal (relevant for Citroen C5 X7 in the back of a hatchback or other version). The display usually shows the service indicator Check (Shek). To remove this error, you will need to replace the node, but first you need to try to adapt.
P3011 Throttle Position Control Error. To throw off a malfunction, it is necessary to check the operation of the mechanism sensor, as well as to re-adapt it. If these steps do not help, the node changes completely.
CITROEN Fuel system malfunctions
P0001 Malfunction of the control mechanism for adjusting the fuel supply. If the device itself is operable, the user needs to check the electrical circuit for breaks and defects.
P0002 Incorrect parameters of the power line connected to the fuel flow control device
P0003 Undervoltage detected in the control and power supply cable by the fuel supply regulator
P0004 The signal on the control and power cable by the fuel regulator is out of the upper allowable value
P0005 Faults recorded by the control unit in the operation of the fuel shut-off valve. The problem is a break in the power and control lines.
P0006 Reduced signal detected on the control line of the fuel shutoff valve
P0087 Pressure drop in the fuel rail. An error is recorded when this parameter falls below the permissible nominal value and is held at that level for 2 seconds or more. With this error, the speed of the power unit can float.
Possible reasons:
- poor connection of the wiring connected to the components of the fuel system;
- malfunction of the fuel pump device or clogging of its filter;
- damage or violation of fuel lines or fittings connected to system components;
- failure of the high-pressure fuel pump, but this component can only be checked using the stand;
- malfunction or clogging of nozzles.
P0088 Critically high pressure recorded in the fuel system or manifold. Corrective action is the same as for low pressure.
P0089 Malfunction of the first fuel pressure sensor
P0090 Break in the power line connected to the first fuel pressure controller
P0091 Short to ground on the control line of the first fuel pressure sensor
P0093 Leak in the fuel system. First of all, with error P0093, all hoses and fittings must be checked, the problem may be poor tightness. Also, a fuel leak can occur through a failed high pressure fuel pump.
P0094 Minor fuel leak
P0170 Fuel imbalance, the problem should be sought in the first engine bank
P1138 Malfunction in the fuel pressure regulator
P1142 (1142) Fuel restriction status In some cases, the car engine will not start. The problem may be due to a clogged system, a malfunction of one of the sensors or the fuel pump.
P1146 Malfunction in the fuel system, first of all, the user must check all the mechanisms and hoses for leaks. The problem may be a malfunction in the glow plugs.
P1164 Incorrect fuel pressure signal, the on-board computer indicates a pressure deviation in the ramp before starting the power unit
P1167 Incorrect fuel pressure adjustment. It is noted that the control unit received the wrong value from one of the regulators, the fuel pressure sensor may break.
P1168 Failure or malfunction of the fuel level controller installed in the fuel rail It is possible that a critically low signal is received from the device to the control unit that does not correspond to the normalized parameters.
P1182 Malfunctions or failure of the fuel system solenoid, a malfunction is recorded when the fuel supply is turned off
P1186 This code may have several notations:
malfunction of the device for adjusting the composition of the air-fuel mixture - the parameters specified during the training do not correspond to the normalized values;
malfunction of the fuel pump device;
fuel pump temperature controller malfunctioning - sensor signal is too low.
P1198 Malfunction of the fuel flow control solenoid valve It is noted that the flow rate is critically low, which will affect the operation of the engine.
P1490 At Citroen 2001, 2006, 2008, 2012 and other years of production, this code indicates that the particulate filter was not regenerated. This process began, but did not end. The problem is the malfunction of the filter device due to its clogging due to wear or the use of low-quality fuel. To fix the error, you need to check the filter and clean it, if possible.
P2097 Fuel imbalance in the area after the catalytic converter The mixture forming in the engine cylinders is too enriched.
CITROEN Malfunctions of a camshaft and system of phases of gas distribution
P000A Slow Inlet Cam Position A
P000B Low speed intake camshaft position B
P0010 Malfunctions in the drive mechanism of the variable valve timing system. The problem is the first engine bank and it should be looked for in the electrical circuit itself.
P0011 Malfunction or malfunction of the intake camshaft timing control device. If the device itself is working properly, then make sure that the engine fluid level is adequate in the engine. Also, the problem may consist in tensioning the timing chain.
P0012 Incorrect camshaft position. The problem is the valve opening angle is too late.
P0013 Malfunctions in the operation of the electric valve control mechanism, designed to control the timing of the exhaust valves. The error appears when the circuit is open.
P0014 Malfunctions in the operation of the camshaft adjuster.
Possible causes of the problem:
- lack of lubricant in the engine;
- timing chain tension;
- breakdown of the phase adjustment solenoid valve;
- on engines final until 2010, modification 5FW, the problem may be related to the production of a camshaft on the bed.
P0015 Malfunction of the drive unit of the variable valve timing system (opening angle too late).
P0016 Incorrect position of the crankshaft and camshaft. The problem is the lack of compliance. The reason should be sought in the shaft sensors or the wear of these elements, possibly damage to the teeth as a result of development.
P0340 Malfunction in the camshaft position adjuster A installed in the first bank of the engine. If the problem is not related to the controller itself, then it should be sought in the functioning of the wiring or control module.
P1335 Malfunction of the camshaft position adjuster
P2088 Low signal entering the controller of the electronic engine management system from the drive unit A of the variable valve timing system. The problem is fixed in the first bank of the power unit.
P2089 A high signal arriving at the controller of the electronic engine management system from the drive unit A of the variable valve timing system.
P2092 A reduced pulse applied to the motor control module from the drive mechanism A of the variable valve timing system; the problem is fixed in the second bank of the power unit.
CITROEN Sensor Errors
C1330 Malfunction or error of the pulse coming from the speed controller located on the front left wheel. If the sensor itself is operational, then the cause should be sought in the breakage of the power line or a short circuit to ground or voltage source.
In addition, the causes of the malfunction may be as follows:
- errors made during the installation of the controller;
- malfunction of the rotor mechanism of the regulator;
- the anti-skid control unit or brake master cylinder assembly is faulty.
C1331 Error in the pulse coming from the speed controller located on the front right wheel. With error C1331, the ABS sensor (ABC) is subject to detailed diagnostics, including wiring and contacts.
P0101 Failure or malfunction of the mass air flow controller. With such an error, if it is not accidental, the “engine” works intermittently, including reducing power and jumps in revolutions up or down. Also on the dashboard the Check indicator should light up. To clear the error, check the flowmeter and clean it.
P0106 Errors in the operation of the absolute pressure controller in the intake manifold or atmospheric pressure regulator
P0116 Malfunction of the refrigerant temperature controller. The problem is an invalid signal that is out of range.
P0117 Error pulse coming from the antifreeze temperature controller. If the sensor is defective, then the readings on the instrument panel may be incorrect. The problem may be a short circuit of the device to ground, that is, a “mass”.
P0118 There is an error in the operation of the refrigerant temperature controller, but in this case the problem is due to a short circuit of the contacts to the power source. Cable damage may occur.
P0119 Faulty coolant temperature sensor. If the regulator itself and its wiring are intact, then the cause of the problem may be a breakdown in the thermostat.
P0221 Incorrect operating range or errors in the operation of one of the sensors - the position of the throttle or gas pedal. Both devices must be checked for quality connection and the absence of clogging, as well as oxidation at the contacts.
P0238 Increased input pulse level recorded on the control and supply line of the turbocharger boost pressure sensor. The problem should also be found in the drive supercharger.
P0248 Malfunction of valve B of the gas bypass control system past the turbine. The indicators coming from the device are outside the acceptable range of operation.
P0327 Error pulse coming from the knock controller.
P0335 Malfunction of the crankshaft position sensor. A problem may occur due to damage to the cable connected to the device.
P0336 Malfunction in the speed controller of the power unit. The problem may be due to a malfunction or failure of the sensor.
P0337 Reduced signal from the crankshaft position controller
P0341 Communication error of the intake camshaft. The cause of the problem should be sought in the wiring or the sensors themselves.
P0504 Error correlation switch stop lights. The user first needs to diagnose the operation of the controller located on the brake pedal. Such errors often appear as a result of clogged contacts on the connection connector.
P05D2 (U305D) Fatal error, lack of communication with the steering angle controller, the received data is incorrect. It is necessary to test the sensor itself, located on the steering column.
P0721 Malfunction of the output shaft speed controller, the range of operation of the signals is violated
P11AA Intake Manifold Air Pressure Controller Pulse Error
P1123 Malfunction of the throttle position sensor The signal coming from the controller goes beyond the allowable normalized parameters. If the regulator itself is operational, then the wiring, as well as the damper itself, is checked - the device may stick in the closed or open positions. Also, the reason may be a software failure of the control module.
P1644 Malfunction of the gas pedal, the problem may be in the controller of the device
P2022 Controller for the position switch of the drive mechanism of the intake manifold geometry change system The problem is the increased signal and is fixed in the second bank of the power unit.
P2026 Fuel vapor temperature controller malfunction, critically low signal to the control unit from the device
P2038 Malfunctions in the air pressure regulator of the reducing agent injection. Data supplied from the regulator to the control module by the motor does not correspond to the normalized parameters.
P2131 Malfunction in the throttle position control or gas pedal, both devices are subject to diagnosis
P2133 Vehicle speed limit due to a malfunction of the gas pedal controller or throttle valve. It is necessary to check the indicated nodes, and if they are functional, then diagnose the engine control unit.
CITROEN Oxygen Sensor Errors
P0030 Error in the relationship between the control module of the motor and the heating mechanism of the primary oxygen controller. The problem may be the wiring or malfunction of the lambda probe.
P0031 Malfunction of the primary oxygen sensor installed in the first bank of the motor. The problem lies in the malfunctions associated with the operation of the heating element, in particular, in the reduced voltage of the power line.
P0032 Overvoltage on the control line of the first oxygen controller located in Bank 1. There may be problems with the operation of the heating element.
P0036 Defect in the control circuit of the heating element of the heated lambda probe 1 installed in the second bank of the engine. The cause of the problem is a broken line or a malfunction of the controller itself.
P0037 Short to ground on the control line of the heating element of the oxygen regulator at the output
P0038 Short circuit to the voltage source on the line of the heating system of the lambda probe at the output
P0053 Resistance error of the primary oxygen controller, the malfunction is due to a short to ground
P0054 Oxygen sensor resistance error. The problem should be sought in the increased parameter of the signal fixed on the line.
P0130 Pulse error on the control line of the oxygen controller at the inlet, the problem is the open circuit
P0131 Malfunctioning oxygen inlet regulator. The problem is undervoltage on the controller control line due to a short circuit to ground or to the cable voltage source.
P0132 Increased voltage that goes beyond the normalized parameters on the control line of the first oxygen regulator
P0134 Malfunction of the first oxygen controller located in bank 1 of the engine, lack of response from the sensor.
P0135 The open circuit of the heating mechanism of the sensor lambda probe mounted on the inlet
P0138 Malfunction of the secondary oxygen regulator, short circuit to the voltage source. The problem may be accompanied by uneven operation of the power unit, since the quality of the formation of the air-fuel mixture is violated.
P0139 Violation of the relationship of the signals of the oxygen sensor installed at the output.
P0140 Malfunction in the secondary lambda probe, the problem may be a violation of the relationship
P0141 This error is also related to the functioning of the oxygen regulator. It is necessary to test the sensor located at the output, the problem is an open circuit.
P1112 Malfunction of one of the oxygen controllers, which led to the re-enrichment of the air-fuel mixture
P1132 The engine oxygen sensor indicates a re-enrichment of the air-fuel mixture, the cause of the problem is due to the lack of a controller switch. If the control unit cannot determine this device, most likely the problem is the failure of the controller or poor contact.
P2244 Error in the pulse of the lambda probe installed at the input, critically low voltage. It is necessary to test the oxygen sensor of the catalyst.
CITROEN Wiring faults
A690 Short circuit on the control line of the left side airbag
C1208 The code C1208 on models C2, C3, C4, C5 and other versions indicates the absence of a vehicle speed signal. The cause of the problem is usually a power line malfunction or damage to the cable connected to the sensor.
C1301 Mismatch between brake light switch and pressure. The problem may be a hand brake or a sensor mounted on it.
C1321 Speed controller pulse transmission error
C1381 Power supply error of the anti-lock braking system recirculation pumping device. It is necessary to test all the components of this node, as well as check the wiring. The problem may be the malfunction of the sensors.
C1556 Error in the operation of the electric hand brake, the device may not receive a signal
P0100 Malfunction of the mass air flow sensor. The problem may be due to poor contact of the device with the mains or damage to the cable.
P0102 Low pulse detected on the control line of the mass air flow sensor. It is necessary to check the contacts for oxidation.
P0103 The signal registered to the wire connected to the air mass meter is too high. If the cable is intact, then you need to test the sensor itself.
P0104 Unreliable contact of an electrical circuit connected to a mass air flow controller
P0105 Malfunction of the electrical circuit connected to the absolute pressure controller in the intake manifold or atmospheric pressure regulator
P0107 Reduced signal in the control circuit of the atmospheric pressure regulator or pressure in the intake manifold
P0108 Increased signal in the line of the air pressure sensor in the intake manifold. The problem is due to a short circuit of the contacts or cable to ground.
P0109 Error signal from the pressure regulator in the intake manifold, the control unit reports an open circuit
P0110 Damage to the power line of the intake air temperature controller. A malfunction may be due to poor contact, cable breakage, or wear on the conductor insulation layer.
P0111 Error of the pulse recorded on the control line and power supply to the intake air temperature controller. The control unit reports a violation of the relationship.
P0112 Short to ground of the power line supplying the intake air temperature sensor
P0113 Opening the electrical circuit supplying the temperature control of the air inlet
P0117, P0118 Malfunction, indicating a malfunction in the antifreeze temperature controller in the cooling system. The problem may be due to a short circuit to ground or the voltage source of the device.
P0121 Impulse error of the damper position controller - signals 1 and 2 do not match
P0123 Short circuit to voltage source, fixed on the line of the throttle position controller
P0190 Damage or breakage in the electrical circuit connected to the pressure controller installed in the intake manifold. The problem may be poor contact or wear on the insulation layer.
P0191 Violations in the wiring connected to the pressure regulator in the fuel manifold device. The problem is a malfunction or an incorrect range of signals from the device.
P0200 Malfunction or damage to the electrical circuit of one of the nozzles of the car engine. It is necessary to check the wiring and the quality of the contacts of the device with the network.
P0204 Damage or breakage of the wire connected to the fourth nozzle of the power unit
P0215 The error has two interpretations: a malfunction in the control of the main relay or a damage to the power line of the fuel shut-off valve.
P0216 Damage or malfunction of the electric cable of the fuel injection angle control mechanism
P0230 Error in the fuel pump control relay. The problem is an open circuit or a power failure.
P0258 Undervoltage detected on the fuel metering supply line B. The cause of the problem may be the rotary mechanism, nozzle, or so-called cam of the system.
P0261 Short to ground ground power wire injector control system of the first cylinder
P0295 Critically high signal detected on the control line of the twelfth nozzle
P0350 Ignition coil failure or electrical failure. Problem P0350 may consist in problems with the electrical circuit or the primary or secondary windings of the device. It is necessary to check the quality of the connection and make sure that there are no damages on the high-voltage wires.
P0351 Violation of the relationship in the operation of the first ignition coil of a car
P0352 Malfunctions recorded in the operation of the second ignition coil of a car
P0380 Malfunction on the connection line and power of the glow plug.
P0443 Damage or disconnection of the power line connected to the control mechanism of the electric valve purge the tank of the vapor absorber fuel
P0444 Also, a malfunction associated with the electrovalve of purging the tank of the absorber of fuel vapor, only in this case the problem is due to a short circuit
P0463 Open circuit or damage to the control line and power of the fuel level sensor. The user needs to check all the contacts and connections on the wiring.
P0480 Damage or malfunction of the fan control line 1 of the cooling system. The problem in practice is often associated with oxidation or clogging of the contacts on the connector of the device located in the engine compartment. To reset the error, clean the block.
P0483 Malfunction of the control line or the diagnostic circuit of the fan motor of the cooling system. The problem may also be related to the motor itself. To reset the error, you must check all possible places of grinding and cable damage.
P0485 Damage or malfunction in the power line of the fan motor of the cooling system. The problem may be associated with the closure of one of the contacts or the entire conductor to a voltage source or ground.
P0494 (0494) Telecode error of the state of the main module of electric fans
P0532 On C3 A51 cars, in a sedan, coupe or other versions from English, the code translates as “reduced level of the signal coming from the air conditioning refrigerant pressure controller”
P0563 Critical high voltage detected in vehicle electrical system.
Reasons that could have caused this code to appear:
- battery failure or partial recharge. The user needs to check the integrity of the case, clean the terminals from oxidation, and diagnose the electrolyte level in the banks. If there is a shortage of working fluid, a working solution is added.
- Problems in the operation of the generator set. It is necessary to test the connection quality of the device, as well as check all its components, especially pay attention to the diagnosis of the voltage regulator relay.
- Damage to the drive belt or its wear.
- The use of equipment and instruments in a Chinese-made car. Perhaps the device consumes too much energy, which leads to its jumps.
P0571 Malfunction of the control and power line of the brake pedal switch or the cruise control system. It is necessary to check all the wires connected to the ABS control unit and the brake pedal.
P0615 Malfunction of the relay control system by the starter mechanism. The problem may be accompanied by difficulties in starting the engine and usually consists in poor contact of the starter with the network.
P0628 Reduced signal detected on the control line and power the fuel pump device
P0636 Incorrect voltage outside the range of permissible parameters on the power steering control line
P0693 Low-speed group control error of the main second fan, short circuit to ground.
Reasons that could have caused this code to appear:
- problems with electrical circuits or broken contacts;
- malfunction of the resistor element of the control module by a ventilating device;
fan breakdown;
- malfunction of the relay or safety element.
P0070 Damage or breakage in the power line supplying the ambient temperature controller
P0855 Motion mode switch malfunction due to high input pulse.
P0945 Power line break or malfunction of the hydraulic pump relay
P0A3B Generator set overheating. It is necessary to check the unit and its drive belt, since the problem may be related to the wear of the latter.
P1006 Signal error or violation of the relationship with the primary position controller of the variable valve lift system
P1112 Reduced voltage fixed to the line of the incoming temperature air sensor. Code 1112 may be associated with damage to the power line or the closure of contact elements.
P1113 Short circuit detected by the control module on the power line of the IAT sensor
P1199 Incorrect signal, out of the lower allowable range, coming from the input of the fuel level controller
P1352 Malfunction of the primary power line of the ignition coil A
P1400 Extremely low signal detected on the DPFE circuit
P1447 Incorrect pulse or output signal for permissible norms from the differential pressure sensor in the exhaust system. The problem should be sought in the particulate filter, the device may be plugged, and to be eliminated, it will need to be burned.
P1459 Incorrect pulse registration valve position of the EGR mechanism. The device is locked in the open position when moving
P1461 Impulse to fix the position of the solenoid valve EGR. The problem is the displacement of the limits of movement introduced over a long period.
P1462 Impulse to fix the position of the solenoid valve EGR. The problem is the displacement of the limits of movement introduced in a short period.
P1527 Genset Charge Data Error The unit load signal is below the minimum threshold value. The user needs to test the operation of this node and check its contacts.
P1536 Incorrect pulse coming from the brake pedal limit switch. The two signals of the brake pedal position controllers do not match.
P1590 Supply voltage on the control line of the flow meter (air flow sensor) is critically high
P1601 This code can have two designations:
power supply error of executive components;
malfunction in the power relay.
P1645 Damage or malfunction in the power line of the switch of the resistor element of the fuel pump
P1693 Damage to the turbocharger power line. With such a problem, difficulties always appear in starting the engine, up to the impossibility of starting it, so if there are signs, then the error is not accidental.
P1694 Damage to the turbocharger control line
P1702 Malfunction of the power line control switch transmission, the problem lies in the gear selector
P2251 Failure in the primary lambda pump current signal. The problem is opening the wiring, which may indicate damage to it.
P2264 Damage to the power line or malfunction of the circuit supplying the regulator for the presence of water in the fuel filter. The problem should be sought in the cable defect or its short circuit. Also, the reason may be the incorrect operation of the VGT drive unit or turbocharger.
P2299 Incorrect pulse from the gas pedal position controller. The control unit notes that the locked position of the gas pedal or a loss of communication with the sensor are registered.
P2564 Violation or incorrect signal registration of the position of the turbocompressor device. The on-board computer has detected a short to ground.
P3008 Incorrect signal coming from the flowmeter. Air flow rate is critically high and does not comply with standardized parameters. The sensor may be damaged.
Description of errors in the operation of electronic devices and modules
B2AAA General DTC, appearing in the presence of other malfunctions in the operation of electronic devices
B162C Error mismatch command and position of the relay on the "+" accessories. The problem is electrical and may be related to any malfunction in the wiring or short circuit.
B1624 Malfunction of the BGPA battery charge module. If the battery is working, the unit must be replaced with a new one.
C1135 General malfunction code for the electric steering system It is necessary to check all the connections and operation of the sensors, as well as the ESP control module.
C1210 Faulty electric power steering pump module or incorrect calibration of the steering angle controller
C1404 Code C 1404 on Citroen C 4 and other models reports malfunctions in the operation of the electric power steering. If the system control module itself is operational, then the causes of the problem may be as follows:
failure of the speed sensor located on the steering column;
damage to the conductors connected to the controller;
poor contact of the device with the network;
power surges in the car’s electrical system caused by a malfunction of the battery or generator set.
P0324 Internal malfunction of the control module, the causes of the problem may be as follows:
Power surges in the car’s electrical system, which disabled the control unit or led to its incorrect operation. It is necessary to check the battery with a multimeter and eliminate the problem of overvoltage.
Breakdown of the microprocessor module or its software malfunction. It is necessary to check the board for mechanical damage. Software problems can only be determined with the help of special equipment and software.
Poor module contact due to clogged pads or oxidized outputs on the connector. Check the plug and clean it if necessary.
Damage to one or more wires connected to the device. The cause of the problem may be the wear of the insulation on the conductors. Damaged cables must be replaced.
Malfunction of the control unit board due to moisture. It is necessary to disassemble the device and dry the circuit, if the reason is this.
P0501 Error in vehicle speed data coming from ABS and ESP systems. The signal transmitted to the microprocessor does not correspond to the normalized data. The problem may be a malfunction of the anti-lock system modules.
P0591 Speed limit pulse error. The problem may be the operation of the control unit or the ABS control module.
P0603 Internal malfunction of the control module. The user needs to test the KAM memory block and, first of all, make sure that the device is in good contact with the vehicle’s power supply. The problem may consist in a software malfunction, then a module flashing will be required to resolve it.
P0606 Internal malfunction of the engine control unit
P0608 Also an error associated with the operation of the control unit. There may be a violation of the output signal to the speed controller.
P0683 Communication of the control module with the block of glow plugs is broken. The problem may be in the wiring or in the devices themselves.
P1188 Error in the calibration memory of the engine control unit
P1435 Lack of communication with the adaptive additive control module
P1445 Error associated with the operation of the additive module
P1446 The fuel additive supply system is not working properly or a malfunction has occurred in the operation of the control module.
P1517 (1517) Error in the operation of the main relay (electrical or software malfunction). Usually accompanied by difficulties in starting the engine or the impossibility of starting it, therefore, first of all, it is necessary to check the operation of the immobilizer.
The causes of the problem:
- Malfunction of the immobilizer control unit or its poor contact with the wiring. There may be a software malfunction of the device.
- Failures in the functioning of the control module of the motor.
- The discharge of the battery in the key.
- Transponder or electronic key malfunction. Reprogramming the device or replacing it will allow you to fix the problem.
- Lack of communication or its violation between the transponder and the immobilizer antenna module. The problem may be the availability of third-party equipment and instruments that emit interference. You must check all devices and remove those that may be causing the problem.
- Using a third-party anti-theft installation, which led to a conflict by the immobilizer control unit and alarm. You must either disable the standard immo, or install a module to bypass it.
P1612 Failure or lack of communication between the engine control unit and the immobilizer control module
P1613 Telecoding Error - Computer encoding has not been performed. The cause of the problem is programmatic in nature.
P1614 Disruption in communication with the microprocessor module, data from the controller of the pedal stiffness point does not correspond to the normalized parameters
P1631 Internal malfunction of the control module of the power unit, the problem is also programmatic
P1641 Error in the operation of the microprocessor control module
P16A0 Determination of the start of movement after a spontaneous stop. The problem is the software failure of the firmware of the control unit, and the error may also be a malfunction of the ABS module. Software update required.
U1313 (D313) On Citroen DS4 and other versions, this code indicates a malfunction of the anti-lock braking system module or a lack of communication with the device. It is necessary to check the wiring between the engine control modules and the ABS.
U35FF (F5FF, 5FF) Defect of arbitrary reinitialization of the intelligent switching module. Problems can occur in the operation of various body systems. For example, front or rear wiper blades can be activated without driver intervention.
Description of CITROEN transmission errors
P0218 Car gearbox overheating. The problem may be related to the operation of one of the sensors or the transmission control unit. If these elements are workable, then the reason should be sought in the oil itself and the box cooling system. The problem may be a lack of fluid.
P0711 The operating range of the gearbox oil temperature controller is out of range. The problem may be poor contact, the sensor itself or overheating of the working fluid.
P0717 Error associated with the operation of an automatic transmission. The problem lies in the frequency rotation controller of the input shaft of the torque converter turbine. There is no signal from the device to the engine control unit.
P072F Error in the transmission slip converter control system
P0741 Malfunction of the solenoid valve lock-up clutch torque converter. The device does not work or jammed when closed.
P0744 Malfunction of the solenoid valve lock-up clutch torque converter device - the contact of the power line is unreliable or missing
P0750 Malfunctions in the operation of the shift solenoid valve A, transmission jerking is possible with speed activation. The problem may be a malfunction in the power line or the control box.
P0755 Malfunctions in the operation of the solenoid valve B of the gear shift, when the speeds are activated, transmission jerks are possible.
P0903 Malfunction of the clutch drive unit due to increased voltage on the control and power lines
P1000 Lack of communication with the control module of the automatic transmission. The user needs to diagnose the wiring and the unit itself.
P1701 Problems Related to Robot or CVT Transmission An error indicates a loss of electrical power in the electronic transmission control module. The malfunction may be due to poor device contact with the network or software problems.
P1709 Open or short in the servo drive of the transmission unit. There may be a malfunction of the box lever position controller.
P1716 Malfunction in the gear lever. Malfunction of the power line or poor contact of the device with the network.
P1755 Malfunctions in the computer operation of an automated manual transmission. If the connection of the control module is high-quality, then the reason should be sought in software problems.
P1795 Error associated with the counter of the transmission unit, in particular, the number of activations and disconnections of the transmission exceeded one million cycles. The cause of the problem may consist in the operation of the actuator or control unit of a mechanical automated box. In order not to immediately repair these devices, you can try to carry out the training procedure using the original scanner.
P1806 (1806) Appears when the upper level indicator of the high level of the drive unit is shorted at fourth speed
P2006 (2006) Malfunctions of the automatic gearbox; a detailed check of the machine is required
P2704 Failure in the functioning of the friction element E of the gearbox of a car. The time of use of the device does not correspond to the normalized indicators, the operating range is violated.
CITROEN Communication errors
P1728 Violations of the digital CAN interface It is noted that the engine receives torque data that does not correspond to the normalized parameters.
U3000 (F000) Lack of communication between the microprocessor control module and the safety device block. For unknown reasons, data transfer is not performed via the CAN bus. First of all, the wiring is checked, if all the cables are intact, the safety module changes.
U0028 The self-diagnosis warning lamp located on the control panel is not characterized, that is, it is not determined by the control unit. The lack of communication of the MIL element is often due to burnout of the indicator or poor contact.
U0055 Problem originating from digital CAN interface. The problem must be sought in the data bus, because the loss of communication is often associated with poor contact or damage to the cables.
U0073 No connection via CAN data bus. If the wiring is intact, then the control module is subject to diagnosis.
U0103 Communication failure between the microprocessor module of the electronic engine management system and the transmission control unit
U0122 Lack of communication or poor contact of the motor control unit with the ESP module. The ECM (electronic engine management system) and ESP devices are subject to diagnosis.
U0128 Data error with the help system control unit when starting to move on a slope
U0140 Lost Communication or Bad Contact with BSI
U0304 Communication failure or lack of signal coming from the control unit of the transmission unit
U340A (F40A) Lack of communication or malfunction of the intelligent service block CM. This error in practice does not affect the operation of the car and is present on more than half of the vehicles.
U3998 (F998) BSM error indicating a lack of communication or a malfunction in the headlight washer relay control mechanism
U0404 Error data on the gear ratio of the transmission unit
U0415 Lack of communication or invalid data transmitted via the CAN communication bus
U1000 Communication failure between the on-board motor control computer and other computers via the CAN bus. It is noted that the microprocessor module of the engine does not respond. The device does not respond within two seconds.
U1003 Communication defect with digital CAN interface
U1108 Lack of data entering the engine control unit from the control unit of the transmission unit
U1109 Defect in the operation of the digital CAN interface
U1118 Lack or violation of communication between the engine control unit and the control module of the anti-lock brake system
U1205 Lack of communication or poor contact with the steering angle controller
U1208 Error in the data on the frequency of rotation of the power unit (crankshaft) received from the control module by the motor via the CAN bus. The reason is moisture on the connector or poor-quality contact on the block.
U1209 Communication failure or poor contact between the engine control unit and the control unit of the transmission unit
U1213 Incorrect signal or communication failure between the engine control unit and the speed sensor. Poor contact with the control module of the ABS or CAP system is possible.
U1218 Error transmitting data with the help system control unit when starting to move on a slope
U1219 Incorrect data from the computer electric "parking brake"
U1308 Communication error of the engine control unit with the automatic transmission computer
U1309 Engine Torque Data Error. If the connection is not broken, then the problem is the idle speed sensor.
U1313 Loss of communication between the automatic transmission and the BSI or ABS modules. The problem is incorrect data coming from the sensors of the anti-lock braking system or their malfunction. If the regulators themselves are working and the wiring is intact, then it is necessary to test the bearing elements.
U1318 Error data arriving at the BSI computer
U2000 Failure to receive partial wake-up requirements in the CAN network
U1F00 The error event is not logged in the trouble log, the problem must be sought in the data bus.
Damian Gheorghe (Saturday, 11 November 2023 10:48)
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