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VW Code 18081

18081 Description And Summary :

Diagnosing engine bar with coolant pump control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold tuning valve (bank 1), stuck closed and secondary air injection system control 'b', circuit low will delay your vw fault.

18081 Possible Causes:

18081 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 18081 Code

  • Inspect all the connections control circuit for controller for turbocharger 1 (j724): electrical malfunction
  • 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