Diagnostic trouble code information

SWM-001A 

Condition 

Fig 1: Identifying Cruise Control SET- Buttons

Courtesy of VOLVO CARS OF NORTH AMERICA.

If SWM microprocessor/control unit registers that Set-switch on cruise-control function panel is activated for more than 5 minutes, diagnostic trouble code SWM-001A is displayed.

Substitute Value 

Cruise control function does not work when engine is running.

Possible Source 

• Set- switch on cruise-control function panel is activated for more than 5 minutes.

Fault symptom[s] 

• Cruise-control function not working at all.