Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CCM-0091

Condition




The diagnostic trouble code (DTC) is stored if the climate control module (CCM) registers that the identity of a lower switch is missing compared to the switch identities included in the Car Config File.
The diagnostic trouble code (DTC) can be diagnosed in ignition positions I and II.

Substitute value
- The climate control module (CCM) assumes different values depending on which switch identity is missing.

Possible source
- Defective switch
- Switch missing
- Fault in the Car Configuration File.

Fault symptom[s]
- The function button is not working.