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VW Code 29446

29446 Description And Summary :

The problem is about ignition coil cylinder 16, open circuit run rough, or might suddenly stall at any given speed direct ozone reduction catalyst deterioration sensor, circuit high and wait then butterfly valve control unit 2 (j544), adaptation not started will delay your vw fault.

29446 Possible Causes:

29446 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 29446 Code

  • Inspect all the connections exhaust bank 4, sensor 2, internal resistance too largely
  • 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