OBD-II code · Powertrain (generic, extended)
P2E3B Battery Charger B Output Voltage Too Low
Battery charger B reports a output voltage too low condition. HV charging operation may be impaired.
Is it safe to drive with P2E3B?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOutput regulator low
- PossibleIncreased internal loss
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger B, Wiring Harness, Bms
Related codes
- P0D21Battery Charger A Output Voltage Too Low
- P2E38Battery Charger B Enable Circuit Range/Performance
- P2E39Battery Charger B Fuse
- P2E3ABattery Charger B Output Voltage Performance
- P2E3CBattery Charger B Output Current Performance
- P2E3DBattery Charger B Output Shorted
- P2E3EBattery Charger B Module Forced Shutdown Voltage Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.