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Home >> Volvo >> 2009 >> XC90 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 13 >> ECM-2400: Fuel Pump (FP) Relay. Signal Too High. Permanent Fault (B5254T2; B6294T; 2003-2004) >> Signal Too High. Permanent Fault >> Checking Cables

Checking Cables

Check the cable between engine control module (ECM) #B45 (#B55) and central electronic module #14B (#A34) for a short-circuit to supply voltage according to SHORT-CIRCUIT TO SUPPLY VOLTAGE. PERMANENT FAULTS .

Remedy as necessary

Other information: 

Fig 1: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION