OBD-II code · Powertrain (generic, extended)

P2E3A Battery Charger B Output Voltage Performance

Battery charger B reports a output voltage performance condition. HV charging operation may be impaired.

Is it safe to drive with P2E3A?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyOutput regulator drifted
  • PossibleLoad mismatch

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.