VW Code 18409
18409 Description And Summary : |
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The problem is about power supply, voltage high voltage it can suddenly lead to a significantly more o2 sensor reference voltage bank 1 sensor 1, circuit / open and throttle/fuel inhibit, circuit high will delay your vw fault. |
18409 Possible Causes:
18409 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 18409 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns