OBD-II code · Powertrain (generic, extended)
P2E85 Battery Charger B Input Voltage Sensor Circuit Low
The input voltage sensor of battery charger B reports a low fault. Mains input voltage measurement is unreliable.
Is it safe to drive with P2E85?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger B Input Voltage Sensor, Wiring Harness, Bms
Related codes
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Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.