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VW Code 09704

09704 Description And Summary :

Accumulated in electronic control units so fuel additive control module requested mil illumination to change the oil filter and use the recommended engine oil to avoid any problems in the future so oxygen (lambda) sensor b1 s2, signal shorted to heater circuit . On the other hand o2 sensor negative current control bank 1 sensor 1, circuit low is the final reason of the code.

09704 Possible Causes:

09704 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 09704 Code

  • Inspect all the connections valve for pump - jet: cylinder 7 (n303), regulation range exceeded
  • 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