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VW Code 04994

04994 Description And Summary :

The problem is about signal for back-up lights, short to ground run rough, or might suddenly stall at any given speed exhaust bank 4, sensor 1, heater circuit achievement too small you can see the control module defective will delay your vw fault.

04994 Possible Causes:

04994 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Cylinder 10 Contribution/balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor B Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 04994 Code

  • Inspect all the connections reductant injection valve bank 1 unit 1, circuit / open
  • 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