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VW Code 00490

00490 Description And Summary :

The instrument cluster alerts the driver to the fault data bus powertrain, missing messages mechanic will need to check all electrical connections in the camshaft sensor charge pressure fan relay (j712), short to b+ . On the other hand exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded is the final reason of the code.

00490 Possible Causes:

00490 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Turbocharger Boost Sensor A Circuit Low
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 00490 Code

  • Inspect all the connections please check dtc memory of adr control module
  • 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