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Home >> Volvo >> 2004 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 13 >> ECM-170F: Atmospheric Pressure Sensor / Boost Pressure Sensor Range Check. Faulty Signal (B5254T2; B6294T; 2003-2004) >> Faulty Signal >> Verification >> Verification
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Faulty Signal: Verification: Verification

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

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS CORPORATION
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS CORPORATION

Is the difference between the pressure sensors less than 140 hPa?