VOLVO
SUM-0211 - Control module. Faulty software
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 Four-C system needs the suspension control module to carry software that matches it. The suspension module (SUM) has found that the software is not compatible, so Four-C does not work.
Possible causes
- Software does not match the suspension control module
- Defective control module
What you can do
- 1Read and clear the fault code, then road test the car to see whether it returns
- 2Have a workshop check which software version is in the control module and reload the correct version
- 3If the fault returns after the software has been reloaded: have a workshop check or replace the control module
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.