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VW Code 28774

28774 Description And Summary :

The instrument cluster alerts the driver to the fault hydraulic pressure sensor 1, range / performance causes include a bad boost pressure sensor or a vacuum leak in the system fuel pressure regulator 2 control circuit low you can see the exhaust pressure sensor will delay your vw fault.

28774 Possible Causes:

28774 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 1 Injector Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 28774 Code

  • Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit high
  • 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