Transmission Control Module (TCM)

U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)

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

- When Monitored:
Continuously when the ignition is on.

The battery voltage between 10.0 and 16.0 Volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.





VERIFY DTC IS ACTIVE

NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

1. Turn the ignition on.
2. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Testing and Inspection and perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure.

No

- and perform the Stored Lost Communication DTCs diagnostic procedure Stored Lost Communication DTCs.