PowertrainP0C4B
CautionSeverity: Caution - get it checked when you can
Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open
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?
Watch the temperature gauge. Stop safely and let the engine cool if the gauge climbs, steam appears, or a red warning light comes on.
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 21
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P0C4B | No description available | Powertrain |
| BAIC Motor | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Mercedes-Benz | P0C4B | No description available | Powertrain |
| BYD | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Chery | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| DFFS | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| DFFX | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| DFXK | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| EOBD | P0C4B | Hybrid/EV battery pack coolant pump 'A' supply voltage circuit/open Brand | Powertrain |
| Ford | P0C4B | No description available | Powertrain |
| Geely | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| GM | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Great Wall | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Hafei | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Hyundai | P0C4B | No description available | Powertrain |
| Isuzu | P0C4B | No description available | Powertrain |
| Land Rover | P0C4B | No description available | Powertrain |
| Peugeot | P0C4B | No description available | Powertrain |
| Saab | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| MG (SAIC) | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Brand | Powertrain |
| Toyota | P0C4B | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open 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.
5Extended variant codes 1
These 7-character codes are manufacturer-specific variants of P0C4B and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P0C4B13 | The power supply of the coolant pump of the hybrid/high-voltage battery module has a malfunction. There is an open circuit. Brand | Powertrain |
6Related codes
Browse Pxxx codes or P0C4xx codes.