VOLVO
SUM-U201A95 - Control Module Main Calibration Data. Component Failures. Incorrect assembly
System
Suspension Module (SUM)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
Several software parts in the SUM must work together, and here they are wrongly combined. The fault is a software fault in the control module, which a workshop corrects by reprogramming it.
Possible causes
- Software fault
What you can do
- 1Has the control module recently been replaced or programmed? Tell the workshop
- 2Read the code, note it and clear it, then road test the car
- 3If the fault comes back, have a workshop program the SUM with new software and calibrate it
Symptoms you may notice2
- A message appears in the information display
- The Four-C function does not work
What the fault can affect1
- The Four-C function is switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.