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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Anti-Lock Brake System (Abs) Diagnostic Trouble Codes (644 Body)) >> Abs-441: Power Supply Valves. Signal Missing. Permanent Fault (2001-2004) >> Signal missing. Permanent fault >> Verification

Signal missing. Permanent fault: Verification

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HINT: Check after repair that the fault has been rectified. 

HINT: Proceed as follows: 

Fig 1: Identifying Ignition OFF
GLL101045Courtesy of VOLKSWAGEN UNITED STATES, INC.

The ohmmeter should read approximately 0Ω. 

HINT: After carrying out the repair, check that the fault has been remedied as follows: 

Fig 4: Identifying Ignition ON
GLL101051Courtesy of VOLKSWAGEN UNITED STATES, INC.

Is the status permanent?