Control Unit: Testing and Inspection

Rear Differential Clutch Control Module Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

Rear Drive Clutch Control Module Replacement

Note: The transfer case solenoid valve and the rear drive clutch control module must always be replaced together due to calibration reasons.

If the rear drive clutch control module needs to be replaced, the following procedures must be performed:

1. Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) (Service Programming System (SPS)).
2. Perform the SPS function Rear Differential Clutch Control Module - Programming and follow the on-screen instructions.
3. Perform the SPS function Rear Differential Clutch Control Module - Configuration & Setup and follow the on-screen instructions. On the screen Control Module - Configuration and Setup Function(s), select both ECU Configuration / Reconfiguration and ECU Setup.
4. Clear DTCs after completing the programming procedure.

Rear Drive Clutch Control Module Reprogramming

Do not reprogram the rear drive clutch control module unless directed by a service procedure or a service bulletin.

1. Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) (Service Programming System (SPS)).
2. Perform the SPS function Rear Differential Clutch Control Module - Programming and follow the on-screen instructions.
3. Clear DTCs after completing the programming procedure.

Component Replacement

The transfer case solenoid valve and the rear drive clutch control module must always be replaced together due to calibration reasons.