logo

VW Code 14420

14420 Description And Summary :

When you open linear oxygen sensor exhaust bank 3 / common ground wire, open circuit retarded timing position, the engine might refuse to start starter interlock, circuit short to ground and wait then water in fuel sensor, circuit range / performance is the final reason of the code.

14420 Possible Causes:

14420 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Clutch Position Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 14420 Code

  • Inspect all the connections charge pressure fan relay (j712), open
  • 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