Specified values

Check wire connection between instrument cluster and sender for fuel gauge -G- or -G169- according to wiring diagram if specified values are not obtained.

Fig 1: Fuel Gauge Sender Specified Values Chart
Courtesy of AUDI OF AMERICA, INC.

See appropriate System Wiring Diagram article.
Check sender for fuel gauge -G- or -G169- if there is neither an open circuit or a short circuit.
Check sender for fuel gauge.
See FUEL SUPPLY COMPONENTS, REMOVING AND INSTALLING .
If specified values are not obtained, malfunction is at instrument cluster, i.e. instrument cluster must be replaced. See INSTRUMENT CLUSTER, REMOVING AND INSTALLING .