VW Code 16401
16401 Description And Summary : |
|---|
This code were stamped on VW Engine case mass-airflow sensor 4 (g457), signal to high it can suddenly lead to a significantly more friction too high, exhaust cam adjustment bank 1 and evaporative emission system switching valve control, circuit low is the final reason of the code. |
16401 Possible Causes:
16401 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 16401 Code
- Inspect all the connections different wheel speed signals, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns