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Home >> Volvo >> 2008 >> S80 Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control Module (CCM) And Combustion PREHEATER Module (CPM) Diagnostic Trouble Codes >> CCM-B108886: Lin Bus B. Bus Signal / Message Failures. Signal Invalid (2012) >> Fault-Tracing >> Fault-Tracing Information
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Fault-Tracing Information

The Climate control module (CCM) has registered that the Seat heating module (SHM) does not respond correctly.

Corrective actions 

If no malfunction is found:

Replace the control module.

Other information: 

Fig 1: Identifying Seat Heating Module
GLL153027Courtesy of VOLVO CARS CORPORATION


After replacement of the Seat heating module (SHM), the control module must be calibrated.

Fig 1: Identifying Seat Heating Module
GLL153027Courtesy of VOLVO CARS CORPORATION