DTC P0A1C GMC
Lost Communication With Cruise Control Module
Lost Communication With Cruise Control Module
Description
The PCM continuously monitors for messages from the cruise control module. This DTC sets when the PCM does not receive the cruise control module message within the defined amount of time.
Cause and Solution
Communication error
Diagnosis:
Check for other PCM DTCs or PCM related symptoms. Diagnose all other PCM DTCs or PCM related symptoms first.
Video Guide
Diagnostic Info
- DTC Code: P0A1C
- Brand: GMC