VW Code 28622

28622 Description And Summary :

This code were stamped on VW Engine case tiptronic switch down (f189), open circuit / signal to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet: cylinder 12 (n308), range / performance or change valve for pump - jet: cylinder 7 (n303), regulation range exceeded is the final reason of the code.

28622 Possible Causes:

28622 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Composition Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Rail/System Pressure - Too High
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 28622 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, 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