VOLVO
SUM-0032 - Position sensor, suspension left rear. Signal too high
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 signal from the position sensor at the left rear wheel is too high. The sensor is mounted on a bracket in the body and reports the position of the rear wheel to the suspension control module, and Four-C control is switched off.
Possible causes
- Short to voltage in the signal cable
- Defective position sensor
What you can do
- 1Check that the connector to the position sensor is secure and clean
- 2Use a multimeter to check that the signal cable from the position sensor at the left rear wheel has no contact with positive voltage
- 3If you have a diagnostic tool: read live data for the left rear position sensor and see whether the value changes when the rear wheel moves
- 4If the cable is intact, have a workshop replace the position sensor
Symptoms you may notice3
- The general warning lamp lights
- Message in the 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.