
OBD2 Codes List
OBD II trouble code chart*
Code | Code Identification |
P0101 | Mass air flow (MAF) sensor circuit, range or performance problem |
P0102 | Mass air flow (MAF) sensor circuit, low input |
P0103 | Mass air flow (MAF) sensor circuit, high input |
P0106 | Manifold absolute pressure (MAP) sensor circuit, range or performance problem |
P0107 | Manifold absolute pressure (MAP) sensor circuit, low input |
P0108 | Manifold absolute pressure (MAP) sensor circuit, high input |
P0112 | Intake air temperature (IAT) circuit, low input |
P0113 | Intake air temperature (IAT) circuit, high input |
P0117 | Engine coolant temperature (ECT) circuit, low input |
P0118 | Engine coolant temperature (ECT) circuit, high input |
P0121 | Throttle position sensor (TPS) circuit, range or performance problem |
P0122 | Throttle position sensor (TPS) circuit, low input |
P0123 | Throttle position sensor (TPS) circuit, high input |
P0125 | Insufficient coolant temperature for closed loop fuel control |
P0131 | Oxygen sensor circuit, low voltage (pre-converter sensor, left bank) |
P0132 | Oxygen sensor circuit, high voltage (pre-converter sensor, left bank) |
P0133 | Oxygen sensor circuit, slow response (pre-converter sensor, left bank) |
P0134 | Oxygen sensor circuit – no activity detected (pre-converter sensor, left bank) |
P0135 | Oxygen sensor heater circuit malfunction (pre-converter sensor, left bank) |
P0137 | Oxygen sensor circuit, low voltage (post-converter sensor, left bank) |
P0138 | Oxygen sensor circuit, high voltage (post-converter sensor, left bank) |
P0140 | Oxygen sensor circuit – no activity detected (post-converter sensor, left bank) |
P0141 | Oxygen sensor heater circuit malfunction (post-converter sensor, left bank) |
P0143 | Oxygen sensor circuit, low voltage (#2 post-converter sensor, left bank) |
P0144 | Oxygen sensor circuit, high voltage (#2 post-converter sensor, left bank) |
P0146 | Oxygen sensor circuit – no activity detected (#2 post-converter sensor, left bank) |
P0147 | Oxygen sensor heater circuit malfunction (#2 post-converter sensor, left bank) |
P0151 | Oxygen sensor circuit, low voltage (pre-converter sensor, right bank) |
P0152 | Oxygen sensor circuit, high voltage (pre-converter sensor, right bank) |
P0153 | Oxygen sensor circuit, slow response (pre-converter sensor, right bank) |
P0154 | Oxygen sensor circuit – no activity detected (pre-converter sensor, right bank) |
P0155 | Oxygen sensor heater circuit malfunction (pre-converter sensor, right bank) |
P0157 | Oxygen sensor circuit, low voltage (post-converter sensor, right bank) |
P0158 | Oxygen sensor circuit, high voltage (post-converter sensor, right bank) |
P0160 | Oxygen sensor circuit – no activity detected (post-converter sensor, right bank) |
P0161 | Oxygen sensor heater circuit malfunction (post-converter sensor, right bank) |
P0171 | System too lean, left bank |
P0172 | System too rich, left bank |
P0174 | System too lean, right bank |
P0175 | System too rich, right bank |
P0300 | Engine misfire detected |
P0301 | Cylinder number 1 misfire detected |
P0302 | Cylinder number 2 misfire detected |
P0303 | Cylinder number 3 misfire detected |
P0304 | Cylinder number 4 misfire detected |
P0305 | Cylinder number 5 misfire detected |
P0306 | Cylinder number 6 misfire detected |
P0307 | Cylinder number 7 misfire detected |
P0308 | Cylinder number 8 misfire detected |
P0325 | Knock sensor circuit malfunction |
P0327 | Knock sensor circuit, low output |
P0336 | Crankshaft position sensor circuit, range or performance problem |
P0337 | Crankshaft position sensor, low output |
P0338 | Crankshaft position sensor, high output |
P0339 | Crankshaft position sensor, circuit intermittent |
P0340 | Camshaft position sensor circuit |
P0341 | Camshaft position sensor circuit, range or performance problem |
P0401 | Exhaust gas recirculation, insufficient flow detected |
P0404 | Exhaust gas recirculation circuit, range or performance problem |
P0405 | Exhaust gas recirculation sensor circuit low |
P0410 | Secondary air injection system |
P0418 | Secondary air injection pump relay control circuit |
P0420 | Catalyst system efficiency below threshold, left bank |
P0430 | Catalyst system efficiency below threshold, right bank |
P0440 | Evaporative emission control system malfunction |
P0441 | Evaporative emission control system, purge control circuit malfunction |
P0442 | Evaporative emission control system, small leak detected |
P0446 | Evaporative emission control system, vent system performance |
P0452 | Evaporative emission control system, pressure sensor low input |
P0453 | Evaporative emission control system, pressure sensor high input |
P0461 | Fuel level sensor circuit, range or performance problem |
P0462 | Fuel level sensor circuit, low input |
P0463 | Fuel level sensor circuit, high input |
P0500 | Vehicle speed sensor circuit |
P0506 | Idle control system, rpm lower than expected |
P0507 | Idle control system, rpm higher than expected |
P0601 | Powertrain Control Module, memory error |
P0602 | Powertrain Control module, programming error |
P0603 | Powertrain Control Module, memory reset error |
P0604 | Powertrain Control Module, memory error (RAM) |
P0605 | Powertrain Control Module, memory error (ROM) |