U1517
Body Control Module Lost Communication With Sunroof Sunshade Motor Module On LIN Bus
U1517 is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Sunroof Sunshade Motor Module On LIN Bus. Common causes: open or short circuit in the lin bus circuit, sunroof curtain motor module malfunction. Estimated repair cost: $33–167.
Symptoms
- Sunroof curtain does not open/close
- Fault indication on the instrument panel
- Lack of response to curtain control buttons
- Intermittent operation of the sunroof curtain
Causes
- Open or short circuit in the LIN bus circuit
- Sunroof curtain motor module malfunction
- Body Control Module (BCM) Problems
- Poor contact in connectors
- Corroded or damaged wiring
How to Fix
- Check the integrity of the LIN bus wiring
- Diagnose the sunroof curtain motor module
- Check connections and connectors
- Scan BCM for errors
- Replace the curtain module or BCM if necessary
Related codes
FAQ
What does the U1517 code mean?
U1517 is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Sunroof Sunshade Motor Module On LIN Bus
What causes a U1517 error code?
The most common causes of U1517 include: Open or short circuit in the LIN bus circuit; Sunroof curtain motor module malfunction; Body Control Module (BCM) Problems; Poor contact in connectors.
How do I fix a U1517 diagnostic trouble code?
To fix U1517: Check the integrity of the LIN bus wiring. Diagnose the sunroof curtain motor module. Check connections and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1517?
Yes, but get it checked soon
How much does it cost to fix U1517?
The estimated repair cost for U1517 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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