Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CCM-U210000

Condition
Climate control module (CCM) compares its configuration with the vehicle configuration stored in the Central electronic module (CEM).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Vehicle configuration from central electronic module (CEM) is lost.
- The information is missing for longer time than 45 seconds.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Control module supplied with power.





Substitute value
- None.

Possible source
- Open-circuit in the control area network (CAN).
- Short-circuit to ground in the communication cable.
- Short-circuit to supply voltage in the communication cable.
- Contact resistance, oxidation or poor contact in connections.

Fault symptom[s]
- Temperature control/A/C does not work