Diagnostic trouble code (DTC) information CCM-0033

Condition 

The diagnostic trouble code (DTC) is stored if the climate control module (CCM) detects an internal fault in 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 seat heating.

Possible Source 

• Internal fault in the left seat heating module (SHM).

Fault symptom[s] 

• The front seat heating does not function.