logo

VW Code 09104

09104 Description And Summary :

When you open ignition coil 'f' primary control, short to plus mechanic will need to check all electrical connections in the camshaft sensor o2 sensor signal bank 1 sensor 2, biased / stuck rich you can see the coolant circulation pump relay (j151), short to b+ will delay your vw fault.

09104 Possible Causes:

09104 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Composition Sensor Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Fuel Rail/System Pressure - Too High
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 10 Contribution/balance Fault

What To Check After Fixing 09104 Code

  • Inspect all the connections control module 2 for cooling fan, short 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