P1AC9 CHEVROLET - HCM Service Calibration Fault
- Faulty Hybrid Control Module (HCM)
- Hybrid Control Module (HCM) harness is open or shorted
- Hybrid Control Module (HCM) circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1ac9 Chevrolet DescriptionHybrid Control Module (HCM) The internal fault detection is handled inside the control module. No external circuits are involved.
Need more help?Get the P1ac9 Chevrolet code diagnosed by a professional: Find a repair shop in your area
P1AC9 CHEVROLET CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1ac9 Chevrolet code? Have you replaced any parts?
Any information is appreciated. Thanks