OBD-II code · Powertrain (generic, extended)
P2E8D Battery Charger B Charge Sequence Signal 1 Circuit Low
The charge sequence signal 1 circuit of battery charger B reports voltage below the expected window. Charging handshake compromised.
Is it safe to drive with P2E8D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleOpen in signal wire
- 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
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger B Charge Seq Signal 1, Wiring Harness, Bms
Related codes
- P2E8AProximity Detection Circuit B High
- P2E8BProximity Detection Circuit B Intermittent/Erratic
- P2E8CBattery Charger B Charge Sequence Signal 1 Circuit High
- P2E8EBattery Charger B Charge Sequence Signal 2 Circuit High
- P2E8FBattery Charger B Charge Sequence Signal 2 Circuit Low
- P2E90Battery Charger A Internal Power Supply Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.