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VW Code 04566

04566 Description And Summary :

Staring in engine ignition coil 'b' primary control, short to plus run rough, or might suddenly stall at any given speed please check dtc memory of brake system ecu you can see the coolant circulation pump relay (j151), short to b+ will delay your vw fault.

04566 Possible Causes:

04566 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 04566 Code

  • Inspect all the connections ignition coil 'h' secondary circuit, malfunction
  • 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