Diagnostic trouble code (DTC) information CCM-0090

Condition 

Fig 1: Identifying Climate Control Module (CCM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the climate control module (CCM) registers a non-permissible switch identity compared to the permitted switch identities included in the Car Config File.

The diagnostic trouble code (DTC) can be diagnosed in ignition positions I and II.

Substitute Value 

• None.

Possible Source 

• Switch replaced with a switch with incorrect identity
• Defective switch
• Fault in the Car Configuration File
• Two or more switches with the same ID.

Fault symptom[s] 

• The function button is not working.