OBD-II code · Powertrain (generic)

P0E8A Battery Charger B Current Sensor Circuit

The ECM detects a circuit fault on the battery charger b current sensor circuit. Reading cannot be used reliably for control.

Is it safe to drive with P0E8A?

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

Common causes

  • Most likelySensor failed
  • PossibleWiring or connector fault

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
1–5 h
Emissions test
Usually unaffected
Parts involved
Battery Charger B Current Sensor, Wiring Harness, Bms

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