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VW Code 18181

18181 Description And Summary :

Diameter in engine direct ozone reduction catalyst deterioration sensor, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system throttle/pedal position sensor 'a', minimum stop performance . On the other hand clutch pedal position (cpp) switch (f194), implausible signal is the final reason of the code.

18181 Possible Causes:

18181 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Injector Circuit Malfunction - Cylinders
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cold Start Injector 1 Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 18181 Code

  • Inspect all the connections ignition coil 'i' primary control, circuit low
  • 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