LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (XC) - 1 Of 9 >> ECM-170F: Atmospheric Pressure Sensor/Boost Pressure Sensor Range Check. Faulty Signal. Permanent Fault (B5244T3; 2001-2002) >> Faulty signal. Permanent fault >> Verification >> Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Faulty signal. Permanent fault: Verification: Verification

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

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

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