P0AE1
Hybrid/EV Battery Precharge Contactor Circuit
P0AE1 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Precharge Contactor Circuit. Common causes: precharge contactor fault, open or short circuit in control circuit. Estimated repair cost: $56–222.
Symptoms
- Hybrid system won't start
- Check Engine light comes on
- The car goes into emergency mode
- Hybrid system power reduction
- Error message on the dashboard
Causes
- Precharge contactor fault
- Open or short circuit in control circuit
- Problems with the battery control unit
- Contact corrosion
- Damage to high voltage wires
How to Fix
- Check the integrity of the contactor control circuit
- Check the resistance of the precharge contactor
- Inspect high voltage connections for corrosion
- Check the functionality of the battery control unit
- Replace faulty precharge contactor
Related codes
Error P0AE1 by Vehicle Brand
FAQ
What does the P0AE1 code mean?
P0AE1 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Precharge Contactor Circuit
What causes a P0AE1 error code?
The most common causes of P0AE1 include: Precharge contactor fault; Open or short circuit in control circuit; Problems with the battery control unit; Contact corrosion.
How do I fix a P0AE1 diagnostic trouble code?
To fix P0AE1: Check the integrity of the contactor control circuit. Check the resistance of the precharge contactor. Inspect high voltage connections for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AE1?
Do not drive — repair immediately
How much does it cost to fix P0AE1?
The estimated repair cost for P0AE1 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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