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VW Code 11478

11478 Description And Summary :

The problem is about ignition coil 'i' secondary circuit, malfunction causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b2 s1, pump current, short to ground . On the other hand hydraulic actuator position sender (g302), electrical malfunction in circuit will delay your vw fault.

11478 Possible Causes:

11478 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Ambient Air Temperature Sensor Circuit Low
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 11478 Code

  • Inspect all the connections reductant injection air pressure sensor 'a', 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