VW Code 17020
17020 Description And Summary : |
|---|
When you open reductant injection valve bank 2 unit 2, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor, bank 1 sensor 5, circuit low or o2 sensor reference voltage bank 2 sensor 1, circuit high is the final reason of the code. |
17020 Possible Causes:
17020 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 17020 Code
- Inspect all the connections o2 sensor pumping current trim bank 1 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