Diagnostic Trouble Code (DTC) Information CCM-B1A6987

Condition 

Climate control module (CCM) checks the status of the air humidity sensor.

The diagnostic trouble code (DTC) is stored if the control module detects that:

• Message from the air humidity sensor is missing.

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 the cable between Climate control module (CCM) and the passenger compartment fan.
• Internal fault in air humidity sensor.

Fault symptom[s] 

• Mist on rear window and door mirrors