Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) CCM-000B is stored if the climate control module registers that the signal on the cable from the air distribution damper motor position sensor exceeds approximately 4.75V (95% of the power supply).
Substitute value
None.
Possible source
- Contact resistance or oxidation in the terminals
- Open-circuit or short-circuit to supply in the ground lead
- Short-circuit to supply voltage in the signal cable from the position sensor
- Defective damper motor.
Fault symptom[s]
- Air flow problem.