Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM) Diagnostic Trouble Codes (XC) - 2 Of 7 >> CEM-1A5F: Communication With The Abs Control Module. Signal Missing. Intermittent Fault (2001) >> Signal missing. Intermittent fault >> Connecting the breakout box >> Notes