P1AE1
Drive Motor 2 Control Module System Voltage High
P1AE1 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module System Voltage High. Common causes: malfunction of the generator or voltage regulator, problems with high voltage battery. Estimated repair cost: $167–889.
Symptoms
- Check Engine light comes on
- Reduced power or unstable operation of the hybrid system
- Switching to emergency mode
- Possible problems with charging the high-voltage battery
- Other related trouble codes appear
Causes
- Malfunction of the generator or voltage regulator
- Problems with high voltage battery
- Short circuit in engine control circuit
- Engine control module 2 malfunction
- Damaged wiring or poor contacts in the high voltage system
How to Fix
- Check system voltage using a diagnostic scanner
- Inspect high-voltage connections for damage
- Test the generator and voltage regulator
- Check the condition of the high-voltage battery
- If necessary, replace engine control module 2
Related codes
FAQ
What does the P1AE1 code mean?
P1AE1 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module System Voltage High
What causes a P1AE1 error code?
The most common causes of P1AE1 include: Malfunction of the generator or voltage regulator; Problems with high voltage battery; Short circuit in engine control circuit; Engine control module 2 malfunction.
How do I fix a P1AE1 diagnostic trouble code?
To fix P1AE1: Check system voltage using a diagnostic scanner. Inspect high-voltage connections for damage. Test the generator and voltage regulator. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1AE1?
Do not drive — repair immediately
How much does it cost to fix P1AE1?
The estimated repair cost for P1AE1 is $167–889. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat