VOLVO
UEM-0068 - Sunroof. Signal faulty
System
Upper Electronic Module (UEM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The code is set when the sun roof control module registers an internal fault. The cause is the sun roof's tilt signal (TILT) having been active for too long. The electric sun roof then does not work.
Possible causes
- The sun roof's tilt signal (TILT) is active for too long
What you can do
- 1Check that the sun roof works again after you have tried it with the switches.
- 2Look for damage and pinched spots on the wiring running from the sun roof switch to the roof lamp.
- 3Use a multimeter to check that the wiring has no contact with voltage.
- 4If the fault remains, have a workshop replace the sun roof switch.
- 5If no other fault is found, have a workshop replace the sun roof control module.
Symptoms you may notice1
- The electric sun roof does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.