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VW Code 04439

04439 Description And Summary :

Staring in engine exhaust gas temperature sensor, bank 2 sensor 5, circuit low It could be due to limited air getting through your air intake fuel mixture control adjustment range 1, higher limit not reached or change injector cylinder 16 (n393), circuit low will delay your vw fault.

04439 Possible Causes:

04439 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Cylinder 1 Injector Circuit Low
  • Crankshaft Position Sensor B Circuit Malfunction
  • Reverse Input Circuit
  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 04439 Code

  • Inspect all the connections power supply voltage terminal 15, open circuit
  • 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