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VW Code 12743

12743 Description And Summary :

Staring in engine exhaust gas recirculation cooling valve control, circuit / open It could be due to limited air getting through your air intake valve for starting with empty tank-nxxx, short to b+ or change nox sensor bank 2, circuit intermittent will delay your vw fault.

12743 Possible Causes:

12743 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 12743 Code

  • Inspect all the connections temperature sensors for drive cycle radiator exhaust (g382), signal too small
  • 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