U0102-00

U0102-00-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 Drive Train Control Module (DTCM) 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
1. Ignition on, engine not running.
2. With the scan tool, read and record the DTCs.
3. With the scan tool, erase the DTCs.
4. Cycle the ignition from off to on.
5. With the scan tool, read the DTCs.

Is the DTC Active at this time?

Yes

- Perform the NO RESPONSE FROM DTCM (DRIVETRAIN CONTROL MODULE) diagnostic procedure. No Response From DTCM (Drivetrain Control Module)

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.