Diagnostic Trouble Code (DTC) Information SWM-0031

Condition 

Fig 1: Identifying Control Stalk And Steering Wheel Switch Left (SWSL)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The steering wheel module (SWM) continuously checks the system components. The diagnostic trouble code (DTC) is stored if the control module registers a communication fault between the control stalk and the steering wheel switch left (SWSL).

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• The cruise control function is deactivated for the rest of the journey.

Possible Source 

• Communication fault between the control stalk and steering wheel switch left (SWSL).

Fault symptom[s] 

• Cruise control does not function at all.