Chevrolet - OBD Code Lookup

P1AC9 Chevrolet

HCM Service Calibration Fault

Starter/Generator Control Module Output Circuit

Starter/Generator Control Module Cooling Fan Relay Control Circuit Low Voltage

Starter/Generator Control Module Cooling Fan Relay Control Circuit High Voltage

Starter/Generator Field Coil Current Sensor Overcurrent

14 Volt Power Module Hybrid/EV Battery System Voltage Low Voltage

14 Volt Power Module Hybrid/EV Battery System Voltage High Voltage

Starter/Generator Phase W Current Sensor Circuit High Voltage

Starter/Generator Field Coil Current Sensor Circuit Low Voltage

Starter/Generator Field Coil Current Sensor Circuit High Voltage