Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Rear Differential Clutch Control Module Programming
To program and setup an existing or new replacement rear differential clutch control module, perform the following procedure:
- With a scan tool, access Service Programming System (SPS) and follow the on-screen instructions. Refer to SERVICE PROGRAMMING SYSTEM (SPS)Β .
- On the SPS Supported Controllers screen, select RDCM Rear Differential Clutch Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select RDCM Rear Differential Clutch Control Module - Configuration and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select RDCM Rear Differential Clutch Control Module - Setup and follow the on-screen instructions (only required if programming a new replacement module).
If the rear differential clutch control module fails to accept the program, verify all scan tool and rear differential clutch control module connections are secure.
- Turn the ignition OFF, for 10 seconds.
- Open and close the door.
- Connect the scan tool to the data link connector.
- Ignition ON, with the engine OFF
- With a scan tool, clear all DTC's from all modules.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.