U1048
Lost Communications With Rear Wheel Steering Control Module
U1048 is an OBD-II diagnostic trouble code meaning: Lost Communications With Rear Wheel Steering Control Module. Common causes: broken or damaged wiring to the module, connector problems or contact corrosion. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Rear steering system stops working
- Possible problems with vehicle stability
- The error is stored in the ECU memory
- In some cases there are no obvious signs of malfunction
Causes
- Broken or damaged wiring to the module
- Connector problems or contact corrosion
- Malfunction of the rear wheel control module
- Module power problems
- CAN bus malfunctions
How to Fix
- Check the integrity of the wiring to the module
- Inspect and, if necessary, clean the connector contacts
- Check the module supply voltage
- Scan the CAN bus for errors
- If necessary, replace the rear wheel control module
Related codes
FAQ
What does the U1048 code mean?
U1048 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Rear Wheel Steering Control Module
What causes a U1048 error code?
The most common causes of U1048 include: Broken or damaged wiring to the module; Connector problems or contact corrosion; Malfunction of the rear wheel control module; Module power problems.
How do I fix a U1048 diagnostic trouble code?
To fix U1048: Check the integrity of the wiring to the module. Inspect and, if necessary, clean the connector contacts. Check the module supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1048?
Limited driving only, diagnose soon
How much does it cost to fix U1048?
The estimated repair cost for U1048 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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