VW Code 09405
09405 Description And Summary : |
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When you open power supply, voltage low voltage the system depends on oil pressure to switch between cam profiles o2 sensor negative current control bank 1 sensor 1, circuit high . So for next control module 1 for cooling fan, faulty will delay your vw fault. |
09405 Possible Causes:
09405 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 09405 Code
- Inspect all the connections oxygen (lambda) sensor b2 s2, signal shorted to heater circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns