The Auto-Scan would be helpful so we know which, if any, faults are stored in addition to the exact 17-Instrument cluster that's installed with the current coding shown. If you want assistance in our forum I would highly recommend posting the scan.
The repair manual has an entire section dedicated to fuel level sender checking. There are 4 splits based on production dates for AWD alone but yours should be "AWD through 06.03". I also stumbled across a related to faulty G169 level senders specific to a VIN split that might apply.
- Fuel Level Sensor 1 should be G in your wiring diagram, located on the Passenger side of the vehicle. (295 to 305 Ohms empty and 56 to 68 full)
- Fuel Level Sensor 2 should be G169, located on the Driver's side of the vehicle. (275 to 296 Ohms empty and 47 - 65 full)
That's pretty close to the general 280 to 80 ohm scale
most VW/Audi models form this era used.
We don't know if faults are currently stored but you may want to unplug one of them to see which (new) faults are stored while confirming locations.
Next, as far as goes, 004 should be helpful if each sender is sending a signal to 17:
004,0,Fuel Level Sensor
004,1,Fuel Display,(1st Sensor)
004,2,Fuel Sensor,(1st Sensor)
004,3,Fuel Display,(2nd sensor),All-Wheel-Drive only
004,4,Fuel Sensor,(2nd sensor),All-Wheel-Drive only
I believe one shows Ohms and the other in Liters per fuel sender. You can use the [Add to Log] button to capture the text if you need assistance evaluating it.
