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VW Code 18003

18003 Description And Summary :

Accumulated in electronic control units so malfunction indication light (k83), short to ground it can suddenly lead to a significantly more torque management feedback signal "a", range / performance . On the other hand starter activation, return message terminal 50, short to ground/open circuit is the final reason of the code.

18003 Possible Causes:

18003 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cold Start Injector 1 Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 18003 Code

  • Inspect all the connections exhaust bank 4, sensor 1, electrical error in the electric 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