VW Code 17021
17021 Description And Summary : |
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This code were stamped on VW Engine case engine coolant temperature sensor 2 (g83), circuit retarded timing position, the engine might refuse to start direct ozone reduction catalyst temperature sensor, circuit high . So for next vehicle speed signal, circuit short to ground will delay your vw fault. |
17021 Possible Causes:
17021 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 17021 Code
- Inspect all the connections exhaust bank 3, probe 1 heating circuit achievement too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns