Diagnostic trouble code information

SWM-001B 

Condition 

Fig 1: Identifying Telephone YES Button

Courtesy of VOLVO CARS OF NORTH AMERICA.

If SWM microprocessor/control unit registers that YES switch is activated for more than 5 minutes, diagnostic trouble code SWM-001B is displayed.

Substitute Value 

Nothing.

Possible Source 

• YES switch is activated for more than 5 minutes.

Fault symptom[s] 

• Telephone not working.