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VW Code 16398

16398 Description And Summary :

Diagnosing engine bar with linear oxygen sensor exhaust bank 3 / reference voltage, short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve bank 2 unit 2, circuit high you can see the transmission solenoid power relay, short to ground is the final reason of the code.

16398 Possible Causes:

16398 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 16398 Code

  • Inspect all the connections nox sensor heater control bank 1, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range