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 MANUALSVOLVO2004S80 L6-2.9L TURBO VIN 91 B6294TREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-3010DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294T
Diagnostic Trouble Code (DTC) Information
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294TSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) ECM-3000 covers the intake camshaft position (CMP) sensor on 6 cylinder engines and the exhaust camshaft position (CMP) sensor on 5 cylinder engines.
Diagnostic trouble code (DTC) ECM-3010 covers the exhaust camshaft position (CMP) sensor on 6 cylinder engines.
Diagnostic trouble code (DTC) is stored ECM-3000 or ECM-3010 is stored if the pulse width modulation signal from the camshaft position (CMP) sensor is constantly high (signal too high) or low (signal too low).
Diagnostic trouble code (DTC) ECM-3000 or ECM-3010 is stored if the pulse width modulation signal from the camshaft position (CMP) sensor is missing but returns sporadically (missing signal).
Diagnostic trouble code (DTC) ECM-3000 or ECM-3010 is stored if the pulse width modulation signal from the camshaft position (CMP) sensor is sporadically missing (faulty signal).
The fault is diagnosed by the control module when the engine is running.
Possible source
Signal too high:
- Open-circuit in the signal cable
- Short-circuit to supply voltage in the signal cable
- Short-circuit to ground in the power cable
- Open-circuit in the ground lead
- Defective camshaft position (CMP) sensor.
Signal too low:
- Short-circuit to ground in the signal cable
- Open-circuit in the power cable
- Loose connections.
Signal missing:
- The camshaft position (CMP) sensor is in the wrong position
- Defective camshaft position (CMP) sensor
- Loose connections.
Faulty signal:
- The camshaft position (CMP) sensor is in the wrong position
- Defective camshaft position (CMP) sensor
- Loose connections.
Fault symptom[s]
- The engine is difficult to start.
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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.