U0169
Lost Communication With Sunroof Control Module
Severity
✅ LowCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Sunroof does not open/close
- Hatch works intermittently
- Fault indication on the instrument panel
- Lack of response to control buttons
- Spontaneous opening/closing of the hatch
Causes
- Open or short circuit in the power supply
- Damage to the wiring harness to the sunroof module
- Sunroof control module malfunction
- Corrosion of connector contacts
- Problems with the CAN bus
How to Fix
- Check the sunroof circuit fuse
- Inspect the wiring harness for damage
- Check the sunroof module connector contacts
- Test the sunroof control module
- Carry out CAN bus diagnostics