Transmission Control Module (TCM) - AS68RC

U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)

For a complete wiring diagram, refer to the Wiring Information.

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:
- Totally Integrated Power Module (TIPM) CAN C Bus message has not been received for 500 ms.

Totally Integrated Power Module (TIPM) Perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure.