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VW Code 04429

04429 Description And Summary :

Accumulated in electronic control units so o2 sensor reference voltage bank 2 sensor 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system activation 2-unit injector valve, electrical malfunction and wait then metering pump for cleaning solution, faulty is the final reason of the code.

04429 Possible Causes:

04429 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 1 Injector Circuit Low
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 04429 Code

  • Inspect all the connections o2 sensor negative current control bank 2 sensor 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