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 MANUALSVOLVO2004V70 L5-2.5L TURBO VIN 59 B5254T2REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-9170DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2
Diagnostic Trouble Code (DTC) Information
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
This diagnostic trouble code (DTC) is never stored on its own. Diagnostic trouble code (DTC) ECM-9170 is also stored if the engine control module (ECM) registers that diagnostic trouble codes (DTC) ECM-9150 and ECM-9160 (fault in the throttle position (TP) sensor in the throttle unit, potentiometer 1 and 2) are stored.
Substitute value
The supply to the throttle unit damper motor is shut off. The throttle will set itself to the return position.
Possible source
Faulty signal:
- Fault in the throttle position (TP) sensor circuit for the throttle unit.
Fault symptom[s]
- Driving/Poor performance/lacks power
- Idling/Uneven idle
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.