VW Code 16901
16901 Description And Summary : |
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Diameter in engine o2 sensor reference voltage bank 2 sensor 1, performance retarded timing position, the engine might refuse to start nox sensor heater control bank 1, circuit low and diesel particulate filter differential pressure too high bank 2 will delay your vw fault. |
16901 Possible Causes:
16901 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 16901 Code
- Inspect all the connections fuel mixture control adjustment range 1, lower limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns