VOLVO
SUM-0205 - Control module. Internal fault
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 internal circuits in the suspension control module are not working. The cause is a defective control module, and the Four-C control is switched off.
Possible causes
- Defective suspension control module
What you can do
- 1Clear the code and test-drive the car to see whether it returns
- 2If the code returns, have a workshop replace the suspension control module
- 3Check that the suspension system fuses are intact; the owner's manual shows where they are
- 4A new control module is supplied without software. Have a workshop program and calibrate it after the replacement
Symptoms you may notice3
- The general warning lamp lights
- Message in the display
- Four-C does not work
What the fault can affect1
- The Four-C control is switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.