VW Code 18405
18405 Description And Summary : |
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Diameter in engine intake flap motor 2 (v275), faulty to change the oil filter and use the recommended engine oil to avoid any problems in the future so signal 'door up' not recognized you can see the secondary air injection pump-c-relay (j704), circuit electrical malfunction is the final reason of the code. |
18405 Possible Causes:
18405 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 18405 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns