Chevrolet P1AEE: Drive Motor 1 Control Module Hybrid/EV Battery System Voltage High

What Does The Chevrolet P1AEE Code Mean?

The hybrid/EV battery system contactor relays are closed. Ignition voltage is 8 V and no more than 18 V. Greater than 425 V on the high voltage circuit is detected by the motor control module.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM Genuine Parts Battery Energy Control Module (Programming Required By Automotive Professional)

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

• Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 676.
• GM, 2018, Service Bullettin – PIC6244C Diagnostic Aid For Vehicles All DTCs P1AEE P1AEF P1AF0
  P1AF2 P1E22.
• GM, 2019, Service Bullettin – PIC6244D Diagnostic Aid For Vehicles All DTCs P1AEE P1AEF P1AF0
  P1AF2 P1E22.
• GM, 2019, Service Bullettin – PIC6285C Diagnostic Aid for DTCs P1AEE and P1AEF, Control Module
  Hybrid/EV Battery System Voltage High Voltage (Over-Voltage).
• GM, 2017, Service Bullettin – PIC6244A Diagnostic Aid For Vehicles With Shift To Park Message And All DTCs P1AEE P1AEF
  P1AF0 P1AF2 P1E22.
• GM, 2017, Service Bullettin – PIC6266 Diagnostic Aid – Service Heater Message with DTC B048E Symptom 00.
• GM, 2016, Service Bullettin – Dead Battery, Shift into Park Message, Loss of Propulsion, No Start, Multiple DTCs.
• GM, 2016, Service Bullettin – Loss of Propulsion, No Start, Multiple DTCs.