U0140

U0140-00-LOST COMMUNICATION WITH BODY CONTROL MODULE (TIPM)

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

- When Monitored:
Ignition on, battery voltage between 9 and 16 volts.

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





NOTE: If present, diagnose and repair DTC U0002-88-CAN C BUS OFF PERFORMANCE- BUS OFF before diagnosing this DTC.
VERIFY THE DTC IS ACTIVE

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

1. Ignition on, engine not running.
2. With the scan tool, read and record the DTCs.
3. With the scan tool, read and record Environmental Data (EV Data).
4. With the scan tool, erase the DTCs.
5. Cycle the ignition switch.
6. With the scan tool, read the DTCs.

Is the DTC active at this time?

Yes

- and perform the U0141-Lost Communication with Totally Integrated Power Module (TIPM) diagnostic procedure U0141.

No

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