OBD-II code · Powertrain (generic)

P0E8F Drive Motor A Inverter Voltage Sensor B Circuit

The ECM detects a circuit fault on the drive motor a inverter voltage sensor b circuit. Reading cannot be used reliably for control.

Is it safe to drive with P0E8F?

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

  • EV/hybrid system warning light on
  • Reduced motor power or torque
  • Possible limp mode or vehicle shutdown

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–5 h
Emissions test
Usually unaffected
Parts involved
Drive Motor A Inverter Voltage Sensor B, Wiring Harness, Hybrid Control Module

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