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VW Code 28997

28997 Description And Summary :

Accumulated in electronic control units so turbocharger boost control position sensor 'b', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system butterfly valve control unit 2 (j544), of mechanical errors and data-bus powertrain missing message from distance control is the final reason of the code.

28997 Possible Causes:

28997 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Reverse Input Circuit
  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault

What To Check After Fixing 28997 Code

  • Inspect all the connections reversing light, circuit 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