Code result

P0AE2

Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed

High severity

What it means

The HV battery precharge contactor is stuck in the closed position. Risk of damage to precharge resistor from sustained current.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Contacts welded closed

    high

    One of the most commonly reported causes for this code — check this first.

  • Driver stuck on

    medium

    A plausible cause — test and verify before replacing parts.

  • Carbon or debris buildup preventing free movement

    low

    Less common, but worth ruling out after the more likely causes.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P0AE2 free

No credit card required