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Home >> Volvo >> 2004 >> S80 T-6 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 4 Of 12 >> CEM-1A5F: Communication With The Abs Control Module. Signal Missing. Permanent Fault (2001) >> Signal missing. Permanent fault >> Checking the power supply and ground terminals for the control module. Permanent fault >> Checking the power supply and ground terminals

Checking the power supply and ground terminals

Check the ABS control module connector for contact resistance and oxidation according to Contact resistance and oxidation .

Check fuse 11/9 in the fusebox in the passenger compartment.

NOTE:

If the fuse is blown, check the circuit after the fuse for a short-circuit to ground before replacing the fuse. Then replace the fuse.

Check the power supply cable between fuse 11/9 and the control module for an open-circuit according to Open-circuit, permanent faults .

Also check the wiring between control module terminals #A8 and #A24 and ground terminal 31/95. Check for contact resistance and oxidation according to Contact resistance and oxidation . Check for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information: 

Fig 1: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?