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VW Code 19431

19431 Description And Summary :

Staring in engine glow plug control module 2 (j703) to pcm communication circuit, range / performance causes include a bad boost pressure sensor or a vacuum leak in the system starter interlock, circuit short to b+ and wait then clutch slip control, signal too high is the final reason of the code.

19431 Possible Causes:

19431 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 19431 Code

  • Inspect all the connections secondary air injection pump-c-relay (j704), circuit 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