Home >> Volvo >> 2012 >> C70 >> 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 >> CPM-E001: Control Module Communication. Faulty Communication >> Faulty Communication (2008-2013)