Que signifie votre code d’erreur ?
Que signifie votre code d’erreur ?
Recherche gratuite de codes défaut OBD2
Un code d’anomalie de diagnostic (DTC) est la façon dont votre voiture vous indique qu’un élément nécessite votre attention. Cette recherche gratuite couvre les 200 codes d’anomalie OBD2 les plus courants — leur signification en termes simples, leurs causes, leur niveau de gravité et la marche à suivre.
254 codes found
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- C1717 OBD-II code C1717 flags an open circuit at the right front damper actuator — the RSS module sees no continuity to drive the damper solenoid. Real-Time Damping (RSS)Medium
- C1720 OBD-II code C1720 flags the left rear damper actuator circuit shorted to battery voltage — the RSS module cannot control damping at that corner. Real-Time Damping (RSS)Medium
- C1721 OBD-II code C1721 flags the left rear damper actuator circuit shorted to ground — the RSS module sees a dead short pulling the drive line to ground. Real-Time Damping (RSS)Medium
- C1722 OBD-II code C1722 flags an open circuit at the left rear damper actuator — the RSS module sees no continuity to drive the damper solenoid. Real-Time Damping (RSS)Medium
- C1725 OBD-II code C1725 flags the right rear damper actuator circuit shorted to battery voltage — the RSS module cannot control damping at that corner. Real-Time Damping (RSS)Medium
- C1726 OBD-II code C1726 flags the right rear damper actuator circuit shorted to ground — the RSS module sees a dead short pulling the drive line to ground. Real-Time Damping (RSS)Medium
- C1727 OBD-II code C1727 flags an open circuit at the right rear damper actuator — the RSS module sees no continuity to drive the damper solenoid. Real-Time Damping (RSS)Medium
- C1735 OBD-II code C1735 flags the air-suspension compressor relay circuit shorted to battery voltage — the compressor may run continuously or refuse to shut off. Air SuspensionMedium
- C1736 OBD-II code C1736 flags the air-suspension compressor relay circuit shorted to ground or open — the compressor cannot run, so the vehicle cannot self-level. Air SuspensionMedium
- C1737 OBD-II code C1737 flags the air-suspension exhaust solenoid circuit shorted to battery voltage — the exhaust valve may open continuously and dump air pressure. Air SuspensionMedium
- C1738 OBD-II code C1738 flags the air-suspension exhaust solenoid circuit shorted to ground — the exhaust valve cannot be commanded properly, so the vehicle cannot bleed off pressure. Air SuspensionMedium
- C1743 OBD-II code C1743 flags a fault in the vehicle speed signal reaching the suspension control module — damping and levelling algorithms lose their speed input. Air SuspensionMedium
- C1744 OBD-II code C1744 flags a fault in the lift/dive discrete signal — the suspension control module isn't getting valid brake/throttle input for pitch-control. Air SuspensionLow
- C1760 OBD-II code C1760 flags a fault in the left front ride-height position sensor input — the suspension controller can't measure that corner's height. Air SuspensionMedium
- C1761 OBD-II code C1761 flags a fault in the right front ride-height position sensor input — the suspension controller can't measure that corner's height. Air SuspensionMedium
- C1762 OBD-II code C1762 flags a fault in the left rear ride-height position sensor input — the suspension controller can't measure that corner's height. Air SuspensionMedium
- C1763 OBD-II code C1763 flags a fault in the right rear ride-height position sensor input — the suspension controller can't measure that corner's height. Air SuspensionMedium
- C1768 OBD-II code C1768 flags a fault in the 5 V reference supply shared by the ride-height sensors — one or more sensors can't power up properly. Air SuspensionMedium
- C1780 OBD-II code C1780 flags loss of the steering angle signal at the suspension controller — pitch and roll compensation cannot be commanded until the signal returns. Air SuspensionMedium
- C1782 OBD-II code C1782 flags the ICCS2 damper left output shorted to battery voltage — the left-side damper drive circuit is held permanently energised. ICCS2 Damper ControlMedium
- C1783 OBD-II code C1783 flags the ICCS2 damper left output shorted to ground — the left-side damper drive circuit is held permanently at 0 V. ICCS2 Damper ControlMedium
- C1784 OBD-II code C1784 flags the ICCS2 damper right output shorted to battery voltage — the right-side damper drive circuit is held permanently energised. ICCS2 Damper ControlMedium
- C1785 OBD-II code C1785 flags the ICCS2 damper right output shorted to ground — the right-side damper drive circuit is held permanently at 0 V. ICCS2 Damper ControlMedium
- C1786 OBD-II code C1786 flags a fault in the damper control relay — the relay that supplies power to the ICCS2/RSS damper outputs is not operating correctly. ICCS2 Damper ControlMedium
- C1787 OBD-II code C1787 flags the damper control relay coil shorted to ground — the relay is stuck de-energised, cutting power to all damper actuators. ICCS2 Damper ControlMedium
- C1788 OBD-II code C1788 flags the damper control relay coil shorted to battery voltage — the relay is stuck energised, keeping damper power live continuously. ICCS2 Damper ControlMedium
- P0010 OBD-II code P0010 flags an open or shorted circuit at the bank 1 intake camshaft VVT actuator solenoid — the PCM can't drive it to advance or retard timing. Engine/TimingMedium
- P0011 OBD-II code P0011 means the intake camshaft on bank 1 is more advanced than the PCM commanded — usually a stuck VVT solenoid or oil flow issue at the cam phaser. Engine/TimingMedium
- P0013 OBD-II code P0013 flags an open or shorted circuit at the bank 1 exhaust camshaft VVT actuator solenoid — the PCM can't control exhaust cam timing. Engine/TimingMedium
- P0014 Avance excessive du calage de l'arbre à cames d'échappement (Banc 1) Moteur/DistributionMoyen
- P0016 OBD-II code P0016 means the crankshaft and bank 1 camshaft position sensors are out of sync — usually a stretched timing chain, VVT phaser issue, or bad sensor. Engine/TimingHigh
- P0017 Corrélation Position Vilebrequin-Arbre à Cames (Banc 1 Capteur B) Moteur/DistributionÉlevé
- P0020 OBD-II code P0020 flags an open or shorted circuit at the bank 2 intake camshaft VVT actuator solenoid — the PCM can't drive it to advance or retard timing. Engine/TimingMedium
- P0021 OBD-II code P0021 means the intake camshaft on bank 2 is more advanced than the PCM commanded — usually a stuck VVT solenoid or oil flow issue at the cam phaser. Engine/TimingMedium
- P0030 OBD-II code P0030 flags a fault in the upstream O2 sensor heater circuit on bank 1 — the sensor can't reach operating temperature fast enough for closed-loop control. EmissionsLow
- P0031 OBD-II code P0031 flags a low-voltage condition on the upstream bank 1 O2 sensor heater circuit — usually a shorted-to-ground drive wire or a shorted sensor heater. EmissionsLow
- P0032 OBD-II code P0032 flags a high-voltage condition on the upstream bank 1 O2 sensor heater circuit — usually a shorted-to-battery drive wire or a failed heater driver. EmissionsLow
- P0036 OBD-II code P0036 flags a fault in the downstream O2 sensor heater circuit on bank 1 — the post-cat sensor can't reach operating temperature quickly enough. EmissionsLow
- P0087 OBD-II code P0087 means the fuel rail pressure is below what the PCM commanded — the engine is starved of fuel under load, especially on GDI and diesel engines. Fuel SystemHigh
- P0088 OBD-II code P0088 means the fuel rail pressure is above what the PCM commanded — usually a stuck fuel pressure regulator or a shorted regulator solenoid. Fuel SystemHigh
- P0100 OBD-II code P0100 flags a fault in the mass air flow (MAF) sensor circuit — the PCM is seeing an implausible or missing airflow reading. Air IntakeMedium
- P0101 Plage/Performance du circuit du capteur de débit massique d'air (MAF) Admission d'airMoyen
- P0102 OBD-II code P0102 means the MAF sensor is reporting airflow lower than physically possible — the PCM sees an unrealistically low reading it can't work with. Air IntakeMedium
- P0107 OBD-II code P0107 means the manifold absolute pressure (MAP) sensor is reading impossibly low pressure — usually a bad sensor, a shorted signal, or an unplugged sensor. Air IntakeMedium
- P0108 OBD-II code P0108 means the MAP sensor is reading impossibly high pressure — usually an open signal circuit or a bad sensor. Air IntakeMedium
- P0111 OBD-II code P0111 means the intake air temperature (IAT) sensor signal is present but implausible — it doesn't track ambient temperature changes as expected. Air IntakeLow
- P0112 OBD-II code P0112 means the IAT sensor is reading impossibly cold — typically a short-to-ground or a shorted internal thermistor. Air IntakeLow
- P0113 OBD-II code P0113 means the intake air temperature (IAT) sensor is reading falsely hot — usually an open circuit or a bad sensor. Air IntakeLow
- P0117 OBD-II code P0117 means the engine coolant temperature (ECT) sensor is reading impossibly cold — typically a short-to-ground or a failed sensor. Engine/PowertrainMedium
- P0118 OBD-II code P0118 means the engine coolant temperature (ECT) sensor is reading impossibly hot — typically an open circuit or a failed sensor. Engine/PowertrainMedium