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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Signal wire shorted to B+Common
- Current sensor offset drifted highPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Battery Charger B Input Current Sensor
- Wiring Harness
- Bms
P2D84 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.