VW Code 65409
65409 Description And Summary : |
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The problem is about auxiliary engine coolant (ec) pump relay (j496), open or short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so control module defective . So for next secondary air injection valve 4 (n385), circuit short to b+ will delay your vw fault. |
65409 Possible Causes:
65409 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 65409 Code
- Inspect all the connections data bus engine/engine, defectively
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns