Should the engine mangement light come on, you can read most issues through the OBD port using a suitable code reader. More information can be found on the relevant pages for your particular smart: fortwo 450, fortwo 451 and Roadster. Should your code reader simply give you a fault code, please use this system to look up the description, possible cause and resolution where available.
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OBD Codes
Name | Description |
---|---|
P0453 |
Evaporative Emission Control System Pressure Sensor High Input |
P0454 |
Evaporative Emission Control System Pressure Sensor Intermittent |
P0455 |
Evaporative Emission Control System Leak Detected (gross leak) |
P0460 |
Fuel Level Sensor Circuit Malfunction |
P0461 |
Fuel Level Sensor Circuit Range/Performance |
P0462 |
Fuel Level Sensor Circuit Low Input |
P0463 |
Fuel Level Sensor Circuit High Input |
P0464 |
Fuel Level Sensor Circuit Intermittent |
P0465 |
Purge Flow Sensor Circuit Malfunction |
P0466 |
Purge Flow Sensor Circuit Range/Performance |
P0467 |
Purge Flow Sensor Circuit Low Input |
P0468 |
Purge Flow Sensor Circuit High Input |
P0469 |
Purge Flow Sensor Circuit Intermittent |
P0470 |
Exhaust Pressure Sensor Malfunction |
P0471 |
Exhaust Pressure Sensor Range/Performance |
P0472 |
Exhaust Pressure Sensor Low |
P0473 |
Exhaust Pressure Sensor High |
P0474 |
Exhaust Pressure Sensor Intermittent |
P0475 |
Exhaust Pressure Control Valve Malfunction |
P0476 |
Exhaust Pressure Control Valve Range/Performance |
P0477 |
Exhaust Pressure Control Valve Low |
P0478 |
Exhaust Pressure Control Valve High |
P0479 |
Exhaust Pressure Control Valve Intermittent |
P0480 |
Cooling Fan 1 Control Circuit Malfunction |
P0481 |
Cooling Fan 2 Control Circuit Malfunction |
P0482 |
Cooling Fan 3 Control Circuit Malfunction |
P0483 |
Cooling Fan Rationality Check Malfunction |
P0484 |
Cooling Fan Circuit Over Current |
P0485 |
Cooling Fan Power/Ground Circuit Malfunction |
P0500 |
Vehicle Speed Sensor Malfunction |