PowertrainP300C
CautionSeverity: Caution - get it checked when you can
Hybrid/EV Battery DC Charging Port Temperature Sensor Circuit Low
Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.
2Common causes
- Sensor or actuator fault
- Wiring or connector fault
- Vacuum or intake leak
- Fuel or ignition problem
- Control module fault
3Can I drive?
The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.
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 12
| Brand | Code | Description | System |
|---|---|---|---|
| Daewoo | P300C | No description available | Powertrain |
| GM | P300C | No description available | Powertrain |
| Holden | P300C | Hybrid/EV Battery DC Charging Port Temperature Sensor Circuit Low Brand | Powertrain |
| Land Rover | P300C | No description available | Powertrain |
| Maserati | P300C | Crankshaft Position Sensor Reverse Signal Not Plausible Brand | Powertrain |
| Mitsubishi | P300C | Each Cell VOLT. difference Brand | Powertrain |
| Opel | P300C | No description available | Powertrain |
| Peugeot | P300C | No description available | Powertrain |
| Proton | P300C | Each Cell VOLT. difference Brand | Powertrain |
| Saab | P300C | No description available | Powertrain |
| MG (SAIC) | P300C | Control Module Interl Monitoring Fil Power Disable Request MTC/IV Brand | Powertrain |
| Tata | P300C | No description available | 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.
5Extended variant codes 8
These 7-character codes are manufacturer-specific variants of P300C and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P300C9E | Fuel Injector Control Module Performance Brand | Powertrain |
| Mercedes-Benz | P300C9F | The control unit 'fuel injector' has malfunction during cold start (output stage fault of control unit 'combustion engine'). Brand | Powertrain |
| Mercedes-Benz | P300CA0 | Fuel Injector Control Module Performance Brand | Powertrain |
| Mercedes-Benz | P300CA1 | The control unit 'fuel injector' has malfunction during cold start (output stage fault of control unit 'combustion engine'). Brand | Powertrain |
| Mercedes-Benz | P300CA2 | Fuel Injector Control Module Performance Brand | Powertrain |
| Mercedes-Benz | P300CA3 | The control unit 'fuel injector' has malfunction during cold start (output stage fault of control unit 'combustion engine'). Brand | Powertrain |
| Mercedes-Benz | P300CA8 | Mass or Volume Air Flow Sensor 'A' Circuit Range/Performance Brand | Powertrain |
| Mercedes-Benz | P300CA9 | Mass or Volume Air Flow Sensor 'A' Circuit Range/Performance Brand | Powertrain |
6Related codes
Browse Pxxx codes or P300xx codes.