Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CCM-DD18

Condition




Climate control module (CCM) checks the status of LIN-bus 1.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- No LIN communication with switch, tunnel console, front.

Note! The DTC may occur together with DTCs for other components on LIN bus 1 (CCM-DD12 - CCM-DD19) depending on where the open-circuit occurred.

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, between the Climate control module (CCM) and switch, tunnel console, front.
- Contact resistance, oxidation or loose connections in the connectors.

Fault symptom[s]
- Buttons on keypad do not work
- Front/rear park assist/Does not work
- Blind spot information system (BLIS)/Does not work