Diagnostic Trouble Code (DTC) Information CCM-U042268

Condition 

The control module is continuously supplied with information from the Central electronic module (CEM) via CAN communication. The control module checks the quality of the information from the Central electronic module (CEM).

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

• Transmitting control module indicates a lower quality level of the information (signal) than that which the Climate control module (CCM) accepts.

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

• Control module supplied with power.

Fig 1: Identifying Parking Assistance Module (PAM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Fault trace the central electronic module (CEM).

Fault symptom[s] 

• Temperature control/A/C does not work