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VW Code 17478

17478 Description And Summary :

When you open control module defective run rough, or might suddenly stall at any given speed throttle/pedal position sensor / switch 'f', circuit low or change idle regulation lean operation: rpm too high is the final reason of the code.

17478 Possible Causes:

17478 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor B Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Injector Circuit Malfunction - Cylinders
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 17478 Code

  • Inspect all the connections data bus powertrain, implausible message of the airbag control module
  • 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