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.
Calibrate Control Module
To calibrate control module, perform the following procedure:
- Install a scan tool.
- Ignition ON.
- Select Rear Differential Clutch Service Calibration Setup in the Rear Differential Clutch Control Module Configuration/Reset Function List.
- Follow the scan tool directions to complete the calibration procedure.
The clutch service calibration will be a single numeric digit. It will be found etched (1) on clutch pack housing. The top of the numeric digit is towards the prop-shaft flange.
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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.