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VW Code 12404

12404 Description And Summary :

Staring in engine rough road / acceleration sensor, electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet, cylinder 1 (n240), electrical malfunction and exhaust gas temperature sensor, bank 2 sensor 5, circuit low is the final reason of the code.

12404 Possible Causes:

12404 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor B Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 12404 Code

  • Inspect all the connections exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich
  • 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