P0C30: The high voltage battery state of charge is higher than normal
The high voltage battery state of charge is higher than normal. It may be the battery itself, its management or a connection. It is high voltage, have it checked by a qualified workshop.
| Code | P0C30 |
|---|---|
| System | Engine and transmission |
| Group | P0Cxx, Hybrid and electric |
| Type | Generic: it means the same on every make |
How to read and clear P0C30 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P0C30 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P0C2C The gearbox oil auxiliary pump control unit feedback signal gives readings
- P0C2D The gearbox oil auxiliary pump control unit feedback signal gives a lower
- P0C2E The gearbox oil auxiliary pump control unit feedback signal gives a higher
- P0C2F The internal control unit drive motor or generator speed sensor is not
- P0C31 The inverter B cooling system gives readings outside the normal range
- P0C32 The high-voltage battery cooling system is not performing well enough
- P0C33 The hybrid battery temperature sensor F has an electrical fault
- P0C34 The hybrid battery temperature sensor F gives readings outside the normal range
What does code P0C30 mean?
The high voltage battery state of charge is higher than normal. It may be the battery itself, its management or a connection. It is high voltage, have it checked by a qualified workshop.
How do you clear P0C30?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P0C30 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
