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VW Code 04979

04979 Description And Summary :

Diameter in engine exhaust gas recirculation system performance run rough, or might suddenly stall at any given speed please check dtc memory of instrument cluster and load signal from alternator terminal df, open or short to b+ will delay your vw fault.

04979 Possible Causes:

04979 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Clutch Position Sensor Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 04979 Code

  • Inspect all the connections vehicle speed signal wheel speed from brake control module; range / performance
  • 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