VOLVO
SUM-0263 - Control module
System
Suspension Module (SUM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
What does this fault code mean?
A software compatibility fault code has been stored in the suspension control module (SUM). The software and the module do not agree, so Four-C does not work.
Possible causes
- The software and the suspension control module are not compatible
What you can do
- 1Read the fault code and clear it, then road test the car to see whether it returns
- 2Have a workshop check which software is in the control module and reload it if necessary
Symptoms you may notice3
- General warning lamp on
- Message in the text display
- Four-C does not work
What the fault can affect1
- Four-C control is switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.