VOLVO
SWM-0008 - Communication with steering wheel buttons Signal too low. Permanent fault
System
Steering Wheel Module (SWM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
3 modelsS80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Show models by year and engine (3)
What does this fault code mean?
The fault is permanent and concerns the communication between the steering wheel module (SWM) and the steering wheel switches (SWS). The signal is too low, which can mean the link is short-circuited.
Possible causes
- The serial link between the SWM and the steering wheel switches (SWS) is short-circuited
What you can do
- 1Has anything recently been worked on in the steering wheel or the clock spring? Tell the workshop
- 2Have a workshop check the connector to the cruise control switch and the clock spring in the steering wheel
- 3Check that the control module fuse is intact; the owner's manual shows where it is
- 4The clock spring is part of the airbag system: have a workshop check it and do not work on the steering wheel yourself
Symptoms you may notice4
- The cruise control does not work at all
- The steering wheel switches for the radio do not work
- The steering wheel switches for the RTI do not work
- The steering wheel switches for the phone do not work
What the fault can affect1
- The cruise control is switched off for the rest of the drive
General guidance for car owners. Diagnosis on the car can point to a different cause.