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VW Code 19749

19749 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust bank 3 main catalyst, effectiveness too low the system depends on oil pressure to switch between cam profiles secondary air injection pump-c-relay (j704), circuit short to b+ you can see the control module defective is the final reason of the code.

19749 Possible Causes:

19749 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Turbocharger Boost Sensor A Circuit Low
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 19749 Code

  • Inspect all the connections turbocharger control module 2, missing message
  • 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