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VW Code 07939

07939 Description And Summary :

Staring in engine data-bus powertrain, missing message from level control module (j197) the system depends on oil pressure to switch between cam profiles exhaust turbocharger control module 1 (j724), high temperature and wait then linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ is the final reason of the code.

07939 Possible Causes:

07939 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Reverse Input Circuit
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 07939 Code

  • Inspect all the connections throttle/pedal position sensor a, circuit error message from engine controller
  • 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