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VW Code 18740

18740 Description And Summary :

The problem is about accelerator pedal position sensor 1 (g79), signal too low it can suddenly lead to a significantly more 'b' rocker arm actuator control, circuit low and sensor 1 for hydraulic pressure in transmission, open or short to b+ is the final reason of the code.

18740 Possible Causes:

18740 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Reverse Input Circuit
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 18740 Code

  • Inspect all the connections throttle/pedal position sensor 'e', maximum stop performance
  • 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