Diagnostic trouble code (DTC) information CCM-0030

Condition

Fig 1: Identifying Left Seat Heating Module (SHM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the climate control module (CCM) detects a fault in the heater pad for the left seat heating module (SHM).

The climate control module (CCM) communicates with the left seat heating module (SHM) via LIN bus 1.

The seat heating module (SHM) transmits information to the climate control module (CCM) about status and current temperature.

The diagnostic trouble code (DTC) can be diagnosed at ignition switch position II.

Substitute Value

The climate control module (CCM) does not allow activation of the seat heater.

Possible Source

Open-circuit in the cable between the seat heating module (SHM) and the heater pad
There is a short-circuit to supply voltage in the cable between the seat heating module (SHM) and the heater pad
There is a short-circuit to ground in the cable between the seat heating module (SHM) and the heater pad.

Fault symptom[s]

The front seat heating does not function.