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 and Setup
If the Rear Differential Clutch Control Module is replaced, the following procedures must be performed:
- Rear Differential Clutch Control Module Programming-Refer to Service Programming System (SPS) .
- Install a scan tool.
- Turn ON the ignition, with the engine OFF.
- Select Special Functions, Rear Drive System, CCM RDS Matching ID, follow instruction on the Tech 2. The CCM RDS Matching ID number can be found on the CCM harness connector.
- Cycle the ignition OFF, then start the engine and allow to run for 1 minute. Verify the rear differential system is functioning properly.
- After the calibration procedure, clear all DTC, and preform the Diagnostic System Check - Vehicle .
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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