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-6400DIAGNOSTIC 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
Diagnostic trouble code (DTC) ECM-6400 (camshaft intake) or ECM-6410 (camshaft exhaust) is stored if the engine control module (ECM) registers that the signal from the camshaft reset valve is too low or missing or is too high.
Substitute value
- Shutting off the variable camshaft.
Possible source
Signal too high
- Short-circuit to supply voltage in the signal cable
- Defective camshaft reset valve.
Signal too low or signal missing
- Contact resistance in the terminals
- Open-circuit in the signal cable
- Short-circuit to ground in the signal cable
- Open-circuit in the voltage supply cable
- Defective camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- The engine does not start.
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.