U046A
Invalid Data Received From Sunroof Control Module
U046A is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Sunroof Control Module. Common causes: sunroof control module malfunction, open or short circuit in the circuit. Estimated repair cost: $56–167.
Symptoms
- Sunroof does not open/close
- Intermittent hatch operation
- Fault indication on the instrument panel
- The sunroof only works in manual mode
- The hatch opens/closes spontaneously
Causes
- Sunroof control module malfunction
- Open or short circuit in the circuit
- Poor contact in connectors
- Module power problems
- Software error in the module
How to Fix
- Check fuses associated with the sunroof system
- Inspect the wiring harness and module connectors
- Check the power supply and ground of the module
- Test the sunroof control module
- If necessary, replace the control module
Related codes
Error U046A by Vehicle Brand
FAQ
What does the U046A code mean?
U046A is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Sunroof Control Module
What causes a U046A error code?
The most common causes of U046A include: Sunroof control module malfunction; Open or short circuit in the circuit; Poor contact in connectors; Module power problems.
How do I fix a U046A diagnostic trouble code?
To fix U046A: Check fuses associated with the sunroof system. Inspect the wiring harness and module connectors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U046A?
Yes, but get it checked soon
How much does it cost to fix U046A?
The estimated repair cost for U046A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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