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VW Code 05709

05709 Description And Summary :

When you open activation glow plug control module, electrical malfunction it can suddenly lead to a significantly more secondary air injection valve 3 (n384), circuit short to b+ you can see the reductant / regeneration supply control, circuit / open is the final reason of the code.

05709 Possible Causes:

05709 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 05709 Code

  • Inspect all the connections accelerator pedal position sensor 1 (g79), signal too high
  • 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