C1438

C1438-TRANSFER CASE DIFFERENTIAL CLUTCH WORN

For a complete wiring diagram refer to Diagrams/Electrical. Electrical Diagrams


- When Monitored:

The ignition on, engine running. No Solenoid, under/overvoltage, and/or encoder error DTCs present. When shifted into 4-Low or in 4-high.

- Set Condition:

The Final Drive Control Module is unable to fully lock the T-Case (in Either High or Low) because the T-Case clutch is worn.







Diagnostic Test


1. TRANSFER CASE CLUTCH

This DTC in an informational DTC that indicates that the transfer case's clutch is worn and needs to be serviced.

View repair

Repair

- Repair the Transfer Case internal components.
- Perform FDCM VERIFICATION TEST. FDCM Verification Test