logo

VW Code 14678

14678 Description And Summary :

Diameter in engine vehicle speed signal, error message from instrument cluster causes include a bad boost pressure sensor or a vacuum leak in the system valve for exhaust flap 1 (n321), open circuit also bank 2, system too lean at idle is the final reason of the code.

14678 Possible Causes:

14678 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 14678 Code

  • Inspect all the connections transmission mount valve 1 (n262), open circuit
  • 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