Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the P0A9C GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Battery Energy Control Module (BECM) monitors the hybrid battery pack temperature sensors to detect the failure of any sensor during a rationality check.
Need more information on how to fix the P0A9C GMC code?
Get Access to Factory Service Manuals
Get the P0a9c Gmc code diagnosed by a professional: Find a repair shop in your area