Diagnostic Trouble Code (DTC) Information CCM-0012
Condition
Climate control module (CCM) checks the internal memory handling in the control module's processor.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Processor in the Climate control module (CCM) uses more memory space than what is allotted.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position I and II.
NOTE:
In case of this problem, DTC CEM-DE29 may also be generated. Fault-trace this diagnostic trouble code (DTC) first.
NOTE:
The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.
Substitute Value
- None.
Possible Source
- Too many components are activated at the same time.
- Damaged control module.
Fault symptom[s]
- Temperature control/A/C does not work
- Blower fan/Does not work
- Temperature control/Heater does not work
- Climate control system/Customer settings (memory) does not work