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 L6-3.2L VIN 98 B6324SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONP CODE CHARTSP1573DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2007 Volvo XC90 AWD L6-3.2L VIN 98 B6324S
Diagnostic Trouble Code (DTC) Information
2007 Volvo XC90 AWD L6-3.2L VIN 98 B6324SSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information ECM-P157300
Condition
Engine control module (ECM) checks the signals from the electronic throttle unit's two position sensors.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in both sensors.
The diagnostic trouble code can be diagnosed when the ignition is on.
Substitute value
- Supply to the damper motor for the electronic throttle unit is shut off. The throttle will set itself in the return position.
- Cruise control turned off when malfunction is active.
Possible source
- Fault-trace through another stored diagnostic trouble code (DTC) for throttle position (TP) sensor in the engine control module (ECM).
Fault symptom[s]
- Poor performance.
- Cruise control does not function at all.
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.