Diagnostic trouble code information

SWM-0012 

Condition 

Fig 1: Identifying Audio Control Scan- Button

Courtesy of VOLVO CARS OF NORTH AMERICA.

If SWM microprocessor/control unit registers that Search+ and Search- buttons on audio/telephone control switch are activated at the same time, diagnostic trouble code SWM-0012 is displayed.

Substitute Value 

Nothing.

Possible Source 

• Search+ and Search- buttons on audio/telephone control switch are activated at the same time.

Fault symptom[s] 

• Radio steering wheel buttons do not work
• Telephone steering wheel buttons do not work.