VW Code 28391

28391 Description And Summary :

Accumulated in electronic control units so ignition coil 'h' primary control, circuit low the system depends on oil pressure to switch between cam profiles particulate trap bank 2, efficiency below threshold . On the other hand data-bus powertrain, implausible message from transmission controller will delay your vw fault.

28391 Possible Causes:

28391 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 28391 Code

  • Inspect all the connections throttle position output, circuit / open
  • 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