Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Power Seat Motor Location

Courtesy of VOLVO CARS OF NORTH AMERICA.

Motor 1 controls the seat front-rear adjustment. Motor 1 must be activated before the diagnostic trouble code (DTC) can be detected. Diagnostic trouble code (DTC) PSM-0030 is stored if the motor 1 does not run despite M1+ being activated and the power seat module registering +12 V on the M1+ signal cable.

Possible Source 

• Open-circuit in signal cable M1+.
• Blown fuse (11C/4).

Fault symptom[s] 

• Seat front-rear adjustment does not operate.