AS68RC Automatic Transmission

U0141-LOST COMMUNICATION WITH FCM (TIPM)

For a complete wiring diagram Refer to Diagrams/Electrical.

Theory of Operation


The Transmission Control Module (TCM) continuously monitors the Bus activity and receives the messages it needs.


When Monitored:
- No CAN Bus performance codes present. Battery voltage greater than 10 volts but less than 16 volts. Conditions must be present continuously for 5 seconds.


Set Condition:
- TIPM CAN C Bus message has not been received for 500 ms.

Refer to the Communications test for this DTC