P0B1C: Hybrid/EV Battery Pack Voltage Sense C Circuit High
What to do
As P0B17 — usually wiring, occasionally a section genuinely being overcharged, and that possibility is why it should not be deferred.
What this code means
Sense circuit C is reading above its valid range — the direction that carries the overcharge branch, set out at P0B17. Family argument at P0B14.
Likely causes
Start here
- Damaged cell voltage sense harness · specialist
Less common
- Wiring shorted to voltage · moderate
- Faulty battery pack sensor module · specialist
- Weak or failed cell group in the battery pack · specialist
Symptoms
Components involved
Information, not instruction
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Community experience
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