Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) CCM-001F is stored if the climate control module registers that the diagnostic signal from the blower fan motor is high for more than 2 seconds when the blower fan motor is activated.
Substitute value
The climate control module signal for control of the blower fan is disengaged.
Possible source
- Contact resistance or oxidation in the terminals
- Open-circuit in the signal cable for the diagnostic signal
- Open-circuit in the ground lead for the power unit
- Short-circuit to supply voltage in the signal cable for the diagnostic signal
- Defective power unit.
Fault symptom[s]
- The blower fan does not operate
- The blower fan only runs at one speed.