VOLVO
UEM-0051 - 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 sun roof has then lost its position and no longer knows where it is. Automatic closing does not work until the sun roof has been recalibrated.
Possible causes
- The position of the sun roof is unknown
What you can do
- 1Check that the sun roof can be operated with the switches.
- 2Read off the code and clear it.
- 3Check that the fuses for the sun roof are intact.
- 4If the fault remains, have a workshop recalibrate the sun roof, since it has lost its position.
Symptoms you may notice1
- Automatic sun roof closing does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.