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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 3 Of 14 >> ECM-2120: Fuel Pump Control Module. Signal Missing (B5254T4; 2004) >> Signal too high/signal too low/signal missing >> Checking >> Checking components and wiring

Checking components and wiring

Check the pump control module connector. Check for contact resistance and oxidation.

Check the cable between Engine Control Module (ECM) terminal #B47 (#B57) and pump control module terminal #1. Check for an open circuit, short circuit to ground and supply voltage.

Remedy as necessary.

HINT: The diagnostic trouble code (DTC) may be caused by a defective pump control module. 

Other information: 

Fig 1: Identifying 6-Bit Connector
GLL108090Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying VCT2000 Diagnostic Tool
GLL100563Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Fuel Pump (FP) Control Module
GLL107944Courtesy of VOLVO CARS OF NORTH AMERICA.