P0DB1: Cell balancing circuit B of the high voltage battery stays on
Cell balancing circuit B of the high voltage battery stays on. It may be the battery itself, its management or a connection. It is high voltage, have it checked by a qualified workshop.
| Code | P0DB1 |
|---|---|
| System | Engine and transmission |
| Group | P0Dxx, Hybrid and electric: charging and battery |
| Type | Generic: it means the same on every make |
How to read and clear P0DB1 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 P0DB1 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
- P0DAD Cell balancing circuit A of the high voltage battery stays on
- P0DAE Cell balancing circuit A of the high voltage battery does not switch on
- P0DAF Cell balancing circuit A of the high voltage battery gives readings outside the
- P0DB0 Cell balancing circuit B of the high voltage battery has an electrical fault
- P0DB2 Cell balancing circuit B of the high voltage battery does not switch on
- P0DB3 Cell balancing circuit B of the high voltage battery gives readings outside the
- P0DB4 Cell balancing circuit C of the high voltage battery has an electrical fault
- P0DB5 Cell balancing circuit C of the high voltage battery stays on
What does code P0DB1 mean?
Cell balancing circuit B of the high voltage battery stays on. 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 P0DB1?
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, P0DB1 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.
