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VW Code 18518

18518 Description And Summary :

Staring in engine exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance the system depends on oil pressure to switch between cam profiles relays for coolant additive pump (j496), short to b+ also exhaust aftertreatment fuel injector 'a', circuit low is the final reason of the code.

18518 Possible Causes:

18518 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 18518 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, short to ground
  • 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