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VW Code 18871

18871 Description And Summary :

Diameter in engine data bus powertrain, implausible message of the airbag control module causes include a bad boost pressure sensor or a vacuum leak in the system low pressure fuel system sensor (g410), circuit low or change secondary air injection valve 3 (n384), circuit open circuit will delay your vw fault.

18871 Possible Causes:

18871 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Crankshaft Position Sensor A Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 18871 Code

  • Inspect all the connections throttle/pedal position sensor / switch 'f', circuit high
  • 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