P1AEF
Drive Motor 2 Control Module Hybrid Battery System Voltage High
P1AEF is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module Hybrid Battery System Voltage High. Common causes: engine control module 2 malfunction, damage to the hybrid battery. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Unusual sounds from the engine compartment
- Reduced performance of the hybrid system
Causes
- Engine control module 2 malfunction
- Damage to the hybrid battery
- Problems with the charging system
- Faulty high voltage wiring
- Software error in the control module
How to Fix
- Diagnose Engine Control Module 2
- Check the condition of the hybrid battery
- Inspect high-voltage wiring for damage
- Update control module software
- Replace faulty system components
Related codes
FAQ
What does the P1AEF code mean?
P1AEF is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module Hybrid Battery System Voltage High
What causes a P1AEF error code?
The most common causes of P1AEF include: Engine control module 2 malfunction; Damage to the hybrid battery; Problems with the charging system; Faulty high voltage wiring.
How do I fix a P1AEF diagnostic trouble code?
To fix P1AEF: Diagnose Engine Control Module 2. Check the condition of the hybrid battery. Inspect high-voltage wiring for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1AEF?
Do not drive — repair immediately
How much does it cost to fix P1AEF?
The estimated repair cost for P1AEF is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat