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VW Code 18508

18508 Description And Summary :

Accumulated in electronic control units so power supply voltage, open circuit the system depends on oil pressure to switch between cam profiles data bus engine/engine, software condition monitoring or engine coolant temperature sensor 2 (g83), circuit range / performance is the final reason of the code.

18508 Possible Causes:

18508 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 18508 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit of electrical errors
  • 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