OBD Guide

P0AE2

Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed

P0AE2 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed. Common causes: mechanical contactor jamming, control relay malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • The hybrid system does not turn off when the ignition is turned off
  • Warning messages on the dashboard
  • Reduced performance of the hybrid system
  • Battery charging problems
  • Unusual sounds from the engine compartment

Causes

  • Mechanical contactor jamming
  • Control relay malfunction
  • Wiring harness damage
  • Short circuit in the circuit
  • Problems with the hybrid system control module

How to Fix

  1. Check the condition of the pre-charge contactor
  2. Check the integrity of the control circuit
  3. Check relay functionality
  4. Diagnose the hybrid system control module
  5. Replace faulty contactor

Related codes

Error P0AE2 by Vehicle Brand

FAQ

What does the P0AE2 code mean?

P0AE2 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed

What causes a P0AE2 error code?

The most common causes of P0AE2 include: Mechanical contactor jamming; Control relay malfunction; Wiring harness damage; Short circuit in the circuit.

How do I fix a P0AE2 diagnostic trouble code?

To fix P0AE2: Check the condition of the pre-charge contactor. Check the integrity of the control circuit. Check relay functionality. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0AE2?

Do not drive โ€” repair immediately

How much does it cost to fix P0AE2?

The estimated repair cost for P0AE2 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat