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VW Code 15138

15138 Description And Summary :

The instrument cluster alerts the driver to the fault oxygen (lambda) sensor b1 s1, pump current, short to b+ run rough, or might suddenly stall at any given speed 'a' rocker arm actuator control, circuit low or change-over valve for intake manifold flap 2, performance or stuck off is the final reason of the code.

15138 Possible Causes:

15138 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Reverse Input Circuit
  • Clutch Position Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 15138 Code

  • Inspect all the connections turbocharger speed sensor, circuit high
  • 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