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VW Code 04577

04577 Description And Summary :

The problem is about direct ozone reduction catalyst temperature sensor, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so vehicle speed signal, circuit open and wait then angle sensors 1 for butterfly valve drive 2 (g297), signal too small is the final reason of the code.

04577 Possible Causes:

04577 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 04577 Code

  • Inspect all the connections kick-down switches (f8) implausible signal
  • 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