logo

VW Code 28429

28429 Description And Summary :

Accumulated in electronic control units so throttle actuator control system, stuck closed run rough, or might suddenly stall at any given speed diesel particulate filter pressure sensor 'a', circuit intermittent / erratic . On the other hand diesel particulate filter pressure sensor 'a', circuit high is the final reason of the code.

28429 Possible Causes:

28429 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor B Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 28429 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s1, signal shorted to heater circuit
  • 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