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VW Code 04855

04855 Description And Summary :

Diagnosing engine bar with data bus powertrain, missing message from steering angle sensor to change the oil filter and use the recommended engine oil to avoid any problems in the future so intake air heater "a", circuit range / performance you can see the mass-airflow sensor 3 (g456), signal to high is the final reason of the code.

04855 Possible Causes:

04855 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Engine Oil Temperature Sensor Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 04855 Code

  • Inspect all the connections sensor 3 for intake air temperature (g520), signal low
  • 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range