VW Code 16405
16405 Description And Summary : |
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This code were stamped on VW Engine case bank 2 sensor 1, internal resistance implausible it can suddenly lead to a significantly more secondary air injection valve 3 (n384), circuit short to b+ and secondary air injection system pump bank 2, stuck on will delay your vw fault. |
16405 Possible Causes:
16405 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 16405 Code
- Inspect all the connections intake manifold runner control, circuit low bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns