OBD-II code · Powertrain (generic, extended)
P2D84 Battery Charger B Input Current Sensor Circuit High
The input current sensor of battery charger B reports a circuit high condition. Charging current measurement is unreliable.
Is it safe to drive with P2D84?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleCurrent sensor offset drifted high
- 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 Current Sensor, Wiring Harness, Bms
Related codes
- P0D3BBattery Charger A Input Current Sensor Circuit High
- P2D81Charging Start Switch Circuit Performance
- P2D82Charging Start Switch Circuit Intermittent/Erratic
- P2D83Battery Charger B Input Current Sensor Circuit Low
- P2D85Battery Charger B Input Current Sensor Circuit Range/Performance
- P2D86Fuel Temperature Sensor A/B Correlation
- P2D87Fan 1 Control Module Over Temperature
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.