Bully Dog PMT 07.5-08 GM 6.6L Duramax LMM Version 1.0.1.1 - Manual (Page 7)

Download Features Available: during the download to the vehicle, the PMT will display prompts for two download features: Tire
size Calibration and speed Limiter.
speed Limiter (‘02-’08 LB7, LLY, LBZ, LMM):
This allows the vehicle to reach speeds in excess of where the oeM speed limiter was set, usually at 98 mph. By selecting yes to increase
the speed limiter you agree that your vehicle has tires rated for speeds in excess of 140 mph. Use the up and down arrows to set the speed
limiters to the desired mph in 5 mph increments from 50 mph to 135 mph. on LMM model engines, adjusting the speed limiter above 95
mph will completely disable the speed limiter, removing it all together.
Calibrate speedometer (‘02-’07 LB7, LLY, LBZ, and LMM):
Use this feature to program in the vehicle’s exact tire size to adjust the oeM speedometer so that it will correctly display vehicle speeds. The
downloader can adjust for tires ranging from 25” to 45”.
Calibrating for any tire size over 35” may cause the on-dash aBs light to turn on.
PM
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Pda
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SPEED LIMITER
Do you want to adjust
the Speed Limiter? -Y/N
DO NOT UNPLUG
YES
NO
SPEED LIMITER
Using the Up/Down Arrows
enter the desired speed
limiter- 95 MPH
Press Yes to accept
Yes
Up
Down
CALIBRATE SPEEDOMETER
Using the Up/Down Arrows
Enter Tire diameter
in inches -33.25”
Press Yes to Accept
Yes
Up
Down
CALIBRATE SPEEDOMETER
Do you want to adjust
for Tire Size? -Y/N
DO NOT UNPLUG
YES
NO