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Home >> Volvo >> 2007 >> V70 Base, 2.4 64 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 7 Of 14 >> ECM-431A: Leak Diagnostic Unit, Pump, Faulty Signal (B5244S; 2003-2007) >> Fault-tracing >> Checking software

Checking software

HINT: For vehicles of model year 2003-2008, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out. 

Fig 1: Identifying Ignition On Position
GLL101053Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Perform quick-test tank system 



HINT: For vehicles of model year 2003-2008, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out. 

Fig 1: Identifying Ignition On Position
GLL101053Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Perform quick-test tank system