P0E86: The battery B charger input voltage is below normal
The battery B charger input voltage is below normal. It is usually the on-board charger, the charging point or the cable.
| Code | P0E86 |
|---|---|
| System | Engine and transmission |
| Group | P0Exx, Hybrid and electric |
| Type | Generic: it means the same on every make |
How to read and clear P0E86 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 P0E86 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
- P0E82 The auxiliary cooling system coolant temperature sensor A gives readings
- P0E83 The auxiliary cooling system coolant temperature sensor A gives a lower signal
- P0E84 The auxiliary cooling system coolant temperature sensor A gives a higher signal
- P0E85 The temperature of charger B is above normal
- P0E87 The battery B charger input voltage is above normal
- P0E88 The battery B charger input current is below normal
- P0E89 The battery B charger input current is above normal
- P0E8A The battery B charger input current sensor has an electrical fault
What does code P0E86 mean?
The battery B charger input voltage is below normal. It is usually the on-board charger, the charging point or the cable.
How do you clear P0E86?
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, P0E86 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.
