Antilock Brake Module (ABS)

U0102 - LOST COMMUNICATION WITH TRANSFER CASE CONTROL MODULE/AWD

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

- When Monitored:

- Ignition run time is greater than one second.

- Battery Voltage between 9 and 16 volts.

- Engine run time greater than three seconds.

- Set Condition:

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

Possible Causes






Active DTC

1. Ignition on, engine not running.

2. With the scan tool, select view DTCs.

Is the DTC active at this time?

Yes

- Refer to Totally Integrated Power (TIPM)- Diagnosis and Testing and perform the U0102-LOST COMMUNICATION WITH DTCM diagnostic procedure. Totally Integrated Power Module (TIPM)

No

- Refer to Non-DTC Diagnostics/Communication-Diagnosis and Testing and perform the Stored Lost Communication DTCs diagnostic procedure. Communications - Verbose Codes