Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CCM-B108687

Condition
The climate control module (CCM) communicates with the damper motor module (DMM) air distribution via LIN-bus 1.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Communication with Damper motor module (DMM) air distribution is lost.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position I and II.





Substitute value
- None.

Possible source
- Open circuit on LIN-bus 1.
- Contact resistance, oxidation or loose connections in the connectors.

Fault symptom[s]
- Air flow problem