Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CCM-0030

Condition




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.