U0135
Lost Communication With Differential Control Module - Front
U0135 is an OBD-II diagnostic trouble code meaning: Lost Communication With Differential Control Module - Front. Common causes: open or short circuit in wiring harness, poor contact in differential module connectors. Estimated repair cost: $56–278.
Symptoms
- The Check Engine light comes on
- Disabling the all-wheel drive system
- Reduced vehicle dynamics
- Other related errors appear
- Transmission transition to emergency mode
Causes
- Open or short circuit in wiring harness
- Poor contact in differential module connectors
- Malfunction of the differential control module
- Module power problems
- Software errors in the ECU
How to Fix
- Check the integrity of the wiring harness to the differential module
- Inspect and clean connector contacts
- Check the power supply and ground of the module
- Test the differential module using a scanner
- If necessary, replace the control module
Related codes
Error U0135 by Vehicle Brand
FAQ
What does the U0135 code mean?
U0135 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Differential Control Module - Front
What causes a U0135 error code?
The most common causes of U0135 include: Open or short circuit in wiring harness; Poor contact in differential module connectors; Malfunction of the differential control module; Module power problems.
How do I fix a U0135 diagnostic trouble code?
To fix U0135: Check the integrity of the wiring harness to the differential module. Inspect and clean connector contacts. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0135?
Limited driving only, diagnose soon
How much does it cost to fix U0135?
The estimated repair cost for U0135 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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