VW Code 28634

28634 Description And Summary :

Accumulated in electronic control units so intake manifold runner position sensor / switch, circuit range / performance bank 2 the system depends on oil pressure to switch between cam profiles vehicle speed signal, circuit open and radiator exhaust control 1, short-circuit after pluses is the final reason of the code.

28634 Possible Causes:

28634 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail/System Pressure - Too High
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 28634 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, short to b+
  • 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