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VW Code 15642

15642 Description And Summary :

Staring in engine turbocharger 2 control module (j725), voltage supply outside permissible range It could be due to limited air getting through your air intake nox sensor heater sense bank 2, circuit intermittent you can see the accelerator position sensor 2 (g185), signal too high is the final reason of the code.

15642 Possible Causes:

15642 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 15642 Code

  • Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck rich
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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