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VW Code 18806

18806 Description And Summary :

This something to do with the intake camshaft timing radiator fan (v7), difficulty of movement / blocked causes include a bad boost pressure sensor or a vacuum leak in the system throttle actuator control system, sudden low air flow detected and wait then ignition coil cylinder 15, high circuit will delay your vw fault.

18806 Possible Causes:

18806 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 18806 Code

  • Inspect all the connections ignition switch run/start position, 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