Warning Signs Your Differential Control Module Might Be Failing
- Your service or check engine light comes on.
- You feel a clunking or grinding noise from the rear of your vehicle.
- Your vehicle struggles to maintain traction, especially in slippery conditions.
- Your vehicle's handling feels unstable or unpredictable.
- You experience difficulty shifting gears or the transmission feels rough.
How to Test if This Part is the Problem
- Have a professional mechanic scan your vehicle's computer for error codes. This can pinpoint if the differential control module is the source of the problem.
- Inspect the wiring and connections to the module for any damage, corrosion, or loose connections.
- Use a multimeter to check the power and ground circuits to the module. Make sure it's getting the correct voltage.
- If possible, swap the module with a known good one to see if the problem goes away. This is best done by a professional.
Common Failure Causes for This Part
- Water or moisture damage to the module.
- Electrical surges or shorts in the vehicle's wiring.
- Vibrations and wear and tear over time.
- Corrosion of the connectors and terminals.
- Internal component failure within the module itself.
