Gt diesel, Vehicle specific download features, Speed limiter – Bully Dog 40420 gauge GT tuner User Manual
Page 19: Calibrate speedometer, Low end power

GT
DIESEL
18
vehICle sPeCIFIC DownloAD FeAtuRes
The following features are not available for all vehicles. Check the chart in the Product Information Sheet for a complete list
of which features are available for specific vehicles. You can access the Product Information Sheet by clicking the link below:
http://www.bullydog.com/documents/40420%20GT%20Diesel%20product%20information%20sheet%20v5.4%20.pdf
Speed Limiter
This changes the top speed that the car will reach before the engine automatically limits the power needed to go faster.
Calibrate Speedometer
This feature will adjust the speed displayed by the factory installed speedometer on your vehicle. This can be useful to correct an inac-
curate speedometer caused by a change in tire size.
Low End Power
This feature improves the throttle response in the lower end of the RPM range, resulting in more horsepower and torque at lower RPMs.
This feature is not recommended for everyday use.
These options cannot be adjusted OTF (On the Fly). This means that once they are set during the install download process, they can only be changed by starting that
process again and choosing to Change Settings when prompted by the GT.
This feature is available only on Dodge 5.9L Cummins ’03-’07 vehicles with automatic transmissions.
Calibrating for any tire size over 35” may cause the on-dash ABS light to turn on.