お使いのフォルトコードは何を意味しますか？
お使いのフォルトコードは何を意味しますか？
無料でOBD2故障コードを検索する
診断トラブルコード（DTC）は、車が何らかの点検や対応が必要だと知らせるサインです。この無料検索では、最も一般的なOBD2故障コード200件について、わかりやすい意味、原因、深刻度、次にすべきことを確認できます。
254 codes found
検索に一致するコードはありません。別のコードを試すか、スペルを確認してください。
- 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 排気カムシャフトタイミング過度進角（バンク1） エンジン／タイミング中程度
- 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 クランクシャフト-カムシャフト位置相関（バンク1 センサーB） エンジン／タイミング高い
- 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 質量空気流量（MAF）センサー回路範囲／性能 エアインテーク中程度
- 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