VOLVO
SUM-0261 - 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)
Show models by year and engine (7)
What does this fault code mean?
The software in the suspension control module (SUM) does not suit the control module. Four-C control is switched off, and the warning lamp comes on to show the fault.
Possible causes
- The software and the suspension control module are not compatible
What you can do
- 1Read and clear the fault code, then road test the car to see whether it returns
- 2Have a workshop fetch and install the correct software for the suspension control module, then road test
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.