Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2007XC90 AWD V8-4.4L VIN 85 B8444SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONP CODE CHARTSP061AP061A62 (ENGINE CONTROL MODULE - ECM)DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444S
Diagnostic Trouble Code (DTC) Information
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Engine Control Module (ECM) monitors the torque in the engine by reading and interpreting signals from mass air flow sensor, electronic throttle unit and air pressure sensor in the inlet manifold.
The diagnostic trouble code (DTC) is stored if the measured torque exceeds the requested torque, based on the pedal position and the engine speed (RPM).
The diagnostic trouble code (DTC) can be diagnosed in specific driving conditions.
Substitute value
- Cruise control is disengaged when the fault is active.
- The engine torque is limited using fuel shut-off (maximum permitted torque depends on accelerator pedal position).
Possible source
- Air leak downstream of the mass air flow (MAF) sensor.
- Damaged throttle unit.
- Damaged mass air flow (MAF) sensor.
- Damaged engine coolant temperature (ECT) sensor.
- Damaged flywheel sensor.
- Damaged air pressure sensor in the inlet manifold.
- Damaged camshaft reset valve.
- Damaged VVT-unit.
- Damaged engine control module (ECM).
Fault symptom[s]
- Jerky running
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.