DTC P1BC5 Chevrolet
Lost Communication With Powertrain Control Monitor Module
Lost Communication With Powertrain Control Monitor Module
Description
The transaxle control module (TCM) continuously monitors the controller area network (CAN) for messages from the powertrain control module (PCM) quizzer. This DTC is set when the TCM stops receiving the PCM messages for a set amount of time.
Cause and Solution
CAN circuit
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: P1BC5
- Brand: Chevrolet