PowertrainP012300
CautionSeverity: Caution - get it checked when you can
The diagnostic trouble code (DTC) is only generated if any of the diagnostic trouble codes ECM-P012000, ECM-P012200 or ECM- have been detected
Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Powertrain: engine, transmission and emissions
1What it means in plain English
This code is in the fuel, air and oxygen sensor range, which also includes coolant temperature faults.
2Common causes
- Dirty or faulty mass air flow sensor
- Vacuum or intake air leak
- Weak fuel pump or clogged fuel filter
- Faulty fuel injector
- Faulty oxygen sensor
- Wiring or connector fault
3Can I drive?
Have it diagnosed if the engine runs badly or the code keeps returning. Because this range includes coolant temperature sensors, watch the temperature gauge: if it climbs into the red, or the engine overheats or stalls, stop safely and get professional help.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 6
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P012300 | No description available | Powertrain |
| Hyundai | P012300 | is set when the voltage abovemaximum output voltage of ACV - is detected for more than 0.1 sec. This code is due to short to battery or open in ACV circuit or ACV, ECM Brand | Powertrain |
| Porsche | P012300 | No description available | Powertrain |
| Sprinter | P012300 | No description available | Powertrain |
| SsangYong | P012300 | Throttle/Pedal position sensor/switch 'A' circuit high input Brand | Powertrain |
| Volvo | P012300 | The diagnostic trouble code (DTC) is only generated if any of the diagnostic trouble codes ECM-P012000, ECM-P012200 or ECM- have been detected Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Related codes
Browse Pxxx codes or P012xx codes.