Important Warranty Information ...............................19
KEY CYCLES DISCLAIMER
IN ALL TOYOTA APPLICATIONS, IT IS VERY IMPORTANT THAT YOU DO NOT TURN THE KEY OFF AND ON UNLESS REQUESTED BY THE GT.
A KEY CYCLE IS WHEN YOU TURN THE KEY TO THE OFF POSITION, AND BACK TO THE RUN POSITION.
IF AT ANY POINT THE GT STOPS, READ ALL THE INFORMATION ON THE SCREEN TO SEE IF IT IS SAFE TO CYCLE THE KEY. IF THE SCREEN DOES NOT SAY TO CYCLE THE
KEY, DO NOT CYCLE THE KEY, TRY TO START THE TRUCK, OR TURN THE KEY TO THE OFF POSITION UNTIL YOU HAVE CALLED TECH SUPPORT.
1
ABOUT THE GT T+
Preview of Basic Installation Steps
1. Update the GT T+. This step is very important!!! See page 20 for more information.
2. Physically install the GT T+. See page 28 for more information.
3. Install the tune to your vehicle. See page 32 for more information.
IMPORTANT NOTE: You MUST uninstall your Bully Dog engine tune before taking your vehicle in for ANY type of service.
There are also other important times to uninstall the tune. Please see page 38 for more information.
See pages 4-6 for a complete list and description of the items included with your GT T+.
Tuning Information
40450 GT T
+
Naturally Aspirated
SETTINGPEAK HORSEPOWERPEAK TORQUEOCTANE
Premium10-1520-2491+
Regular10-1215-2085+
Tow 6-910-1585+
StockStockStockOEM Spec.
IMPORTANT NOTE: The only gas tunes available are based on the octane of the fuel that you are running. Failure to comply with fuel octane requirements
can result in engine damage. If you change the octane of fuel that you are running, you will need to change the tune installed on your vehicle –
see page 42 for more information.
Supercharged
SETTINGPEAK HORSEPOWERPEAK TORQUEOCTANE
Premium 95+up to 95up to 8595+ required for Tundra
Premium 93+ (91+*)up to 70 (up to 30*)up to 60 (up to 22*)93+ required for Tundra (91+*)
StockStockStockOEM Spec.
*Numbers in (
red) apply to Tacoma
2
+
40450 GT T
VEHICLE APPLICATIONS
This vehicle application list is current for GT T+ software version 5.1.4.3 A020
Check the GT T+ product page at www.bullydog.com to check for new applications.
TOYOTA
4RUNNER
4.0L ‘10-’12
SEQUOIA (NOT '11)
5.7L ‘08-’13
5.7L ‘10- '13(ex fuel)
3
TACOMA
4.0L ‘09-’11
4.0L Supercharged ‘09-’13
TUNDRA
5.7L ‘07-’13
5.7L ‘10-’13 (ex fuel)
5.7L Supercharged '07-'13
PARTS LIST
Your GT T+ package should include the following items:
40450 GT T
1. The GT T+ Head Unit
Part Number: 40450-0
2. OBDII Adapter Plug
Part Number: 40400-105
3. HDMI Cable
Part Number: 40400-100
5. Fuse Tap
+
6. Fuse Spade
7. Micro SD Card
Part Number: 406590-1
8. Micro SD Card Reader
4. Power Wire
Part Number: 40400-101
8. Windshield Mount
Part Number: 40400-102
4. Mini USB
Part Number: 40400-103
You may also want to have the items listed below available when you are installing the GT T+:
Tools Needed
• Fuse Puller
• Voltage Meter (optional)
• Alternative Mounting Solution (See page 31 for more information.)
Extra Parts (Optional)
• Battery Charger
4
+
40450 GT T
PARTS DESCRIPTION
The GT T+ Head Unit
The main component of the Gauge Tuner is the head unit. It has the screen and the buttons that allow you to access all of the
functions and features of the tuner.
GT T+ Front Side:
The GT T+ has seven capacitive touch
buttons. Capacitive touch is a button
style that is sensitive to the presence
of your nger. Capacitive buttons do
not need to be pushed, only touched to
activate. The front of the GT T+ head unit
features a 2.4” LCD screen.
GT T+ Back Side:
1. T-Slot Mount Socket, which allows you to use the GT T+ with dierent mounting options.
2. HDMI port
3. Micro SD card port
4. Mini-USB port
4
3
5
1
2
PARTS DESCRIPTION
The OBDII Adapter Plug
The GT T+ assembly connects to your vehicle through the diagnostic port, which is located under the dash on the driver’s side. The OBDII
Adapter Plug connects to the diagnostic port on your vehicle and has a connection for the HDMI cable that plugs into the back of the GT
T+ Head Unit. The illustration and numbered list below contain more information about the other parts of this important piece of the GT
T+ assembly.
40450 GT T
+
1. OBDII Male End: Connects to the vehicle diagnostic port.
2. Power Wire Port: Connects the GT T+ to the power wire and the vehicle fuse box. Allows
the GT T+ to turn on and o with the key.
3. Fuse: The adapter plug fuse protects the GT T+ from being damaged by unexpected power surges.
4. Power Switch: Changes the active power source of the GT T+.
The two options are: 1) KEY: this pulls energy from the fuse box through the power wire and allows the GT T+ to automatically turn on
and o based on the vehicle’s ignition key position; and 2) BATT: This provides continuous battery power to the GT T+ directly through the
vehicle’s diagnostic port.
5. HDMI Port: Connects the OBDII adapter plug to the GT T+ Head Unit.
6. Pyrometer/Sensor Docking Station Port: Connects the GT T+ to optional sensors including pyrometers or the Bully Dog Sensor Docking Sta-
tion.
7. Future Peripherals: Not currently in use – may be used to connect additional devices in the future
6
+
40450 GT T
BUTTON NAVIGATION
FUNCTION 1: Press the top left button to enter the Main Menu, also use this button to exit menus.
Menu
RPM
rpm
00
Coolant
Intake
Economy
mpg
0.0
FUNCTION 2: Press any of the four buttons on the
left side of the GT T+ adjacent to one of the vehicle
parameters on the screen will display that parameter in the large gauge area.
Wasted Energy
Acc.Acc.
Average M PG GallonsGrade
B1711.8
®
FUNCTION 5: Use these buttons to scroll up and
down when GT T+ is in a menu screen.
FUNCTION 3: Continuously hold any of the four
buttons to change the Large Gauge style, there are
four dierent styles that pop up.
NOTE: The GT T+ buttons are Capacitive Touch. This means that a light touch is all that is needed to choose different options.
You do not need to push hard or get the buttons to move down or in for the GT T+ to work for you.
7
THE MAIN SCREEN
1.2.
This picture of the GT T+ main screen has the Driving Coach selected for the Large Gauge option. You can change which gauge is
featured in the upper right corner of the main screen by holding down one of the buttons on the left side of the GT T+ until the
gauge type that you want is shown.
40450 GT T
Menu button: Press to enter the Main Menu.
Menu
RPM
Wasted Energy
rpm
00
Coolant
Average MPG
Intake
Economy
Instant MPG
mpg
0.0
Vehicle parameters: To change which vehicle parameter is displayed in the large gauge area,
simply press one of the four buttons next the preferred vehicle parameter.
See page 9 for more information about changing the information shown on the Main Screen.
GallonsGrade
Trip MPG
Trip Grade
®
Acc.Acc.
B17011.8
+
Large Gauge area
Instant Economy
Dec.Acc.
Report Card:
B
The Driving
Coach
Analog gauge
with average
and max peaks
3.4.
Analog gauge
with mini graph
Large real time
graph
8
+
AVAILABLE OPTIONS ALL MODELS
These options are presented in the order they appear on the Main Menu. If options are missing in your Main Menu, you
This option allows you to choose the type of vehicle that the GT T+ will be used with. If the tune has already been installed, the Change
Vehicle option cannot be used.
Install Download
This option allows you to install the tune to the engine computer in your vehicle. If the tune is already installed, this option will allow you to
return to stock (basically uninstall the tune) or change certain settings that can only be changed by writing a new tune to the ECM.
Gauge Setup
This option will allow you to change which gauges are being displayed on the main gauge screen. Denitions for each type of gauge option
available are listed on the next page.
Changing the Information on the General Display
1. Choose Gauge Setup from the Main Menu.
2. Press the button on the left side of the GT T+ to highlight the gauge slot you would like to change.
3. Use the buttons on the right side of the GT T+ to scroll through the dierent functions and highlight the one you want shown on the
General Display.
Go Back
Speed
Set Gauge 1
Boost
Set Gauge 2
RPM
Set Gauge 3
Coolant
Set Gauge 4
GAUGE SETUP
Gauge 1
Use the Up & Down Arrows to
Change the Tranny Tune
Pyro 2
Speed
Boost
®
4. When you are done, use the top left button to go back to the Main Menu and General Display.
NOTE: All of the gauge types may not be available through your vehicle’s diagnostic port (OBDII port). This fact is out of the control of Bully Dog; however, Bully
Dog offers a range of add-on automotive sensors and sensor interface equipment. Contact Bully Dog or a Bully Dog dealer to learn more.
9
Gauge Setup (continued)
40450 GT T
Pyro
Pyro measures exhaust gas temperature. This is used for warning
level settings, which protects the engine from heat damage.
Speed
This option shows the current vehicle speed.
Monitoring this information can help you ensure that the speed
displayed on the GT T+ and the vehicle speedometer match
the actual vehicle speed. Other important numbers, like the
odometer and fuel eciency, are based on this information.
RPM
This option shows the number of revolutions per minute of the
engine.
This will help you protect your vehicle and improve performance by
watching and ensuring that the RPMs stay within a certain range.
Coolant (Coolant Temperature)
This option shows the coolant temperature.
Used in warning settings to prevent damage to the engine.
Not available on all vehicles.
Throttle (Throttle Position)
This option shows the throttle position measurement – it is
displayed as the percent open.
Used by the Driving Coach to indicate where changes can be
made to driving habits to maximize fuel eciency.
Intake (Intake Temperature)
This option shows the intake air temperature.
Air temperature aects combustion temperature and engine
performance. Adding a Bully Dog Rapid Flow Intake (RFI) closed
air system will lower this temperature, improve performance,
and increase horse power. The Gauge Tuner (GT T+) is designed
to work with the RFI to get the most out of your engine.
MAF
This option displays information from the Mass Airow Sensor.
Used by the Engine Control Module (ECM) to determine how
much air is going into the engine. The ECM then sends the
correct amount of fuel for optimum engine performance.
Fuel Econ (Fuel Economy)
This option displays a real-time measurement of the vehicle’s fuel
economy, shown in miles per gallon.
Determine when your fuel eciency peaks or dies to improve
your driving habits and your bottom line when visiting the pump.
Fuel Flow
This option displays the amount of fuel being used at any given
time; it is shown as a percentage.
Not available on all vehicles.
IPW (Injection Pulse Width)
The time the injector stays open for each injection event; usually
displayed in milliseconds (ms).
Battery (Battery Voltage)
This option shows the current battery voltage.
Additional features listed on the next page.
+
Trans Temp (Transmission Temperature)
This option shows the transmission temperature.
Used in warning settings to prevent damage to the transmission.
Not available on all vehicles.
Load
This option shows a real-time measurement of the work that the
truck is doing.
Timing
This option shows a real-time reading of the timing position as
the truck is running.
10
+
Gauge Setup (continued)
Special Features
Display and Lighting
Display Ex Off
This changes the brightness when canceling the lights for the
40450 GT T
indicator light of the combination meter, A/C indicator light and
clock.
Display Ex On
This changes the brightness when dimming the indicator light of
the combination meter, A/C indicator light and clock.
Foot Light
This sets the time the Outer Foot Light is on.
Interior Lighting
This will turn the interior light on when the ignition switch is turned
from "ACC" to "LOCK". This will also turn on the interior light, ignition
light and step light on when the door is unlocked by the door key
cylinder.
Auto Unlock on Shift
This unlocks the door when the lever is shifted into the P range with
the ignition ON.
Unlock All Doors on Shift
This unlocks every door but the driver door when the driver door is
opened after the ignition is switched o after a certain time.
Key Cylinder Functions
Power Windows
This makes the driver window (and all windows, depending on
vehicle grade) and sunroof close if the driver window control is held
closed. If the driver door window control is held open, the driver's
door window (and all the windows, depending on vehicle grade) and
the sunroof will open.
2 Turns Open All Doors
This unlocks only the driver door when the key UNLOCK button is
pushed twice. When this setting is switched OFF, the key UNLOCK
button will unlock all the doors.
Light Sensitivity
This adjusts the sensitivity of the lights .
Light Auto OFF
This will light the headlight for a time after the doors are closed with
the ignition switch turned ON and the light control switch is at HEAD
or AUTO and the headlight is ON.
Light Time On
This function changes the time between when the doors are closed
and the lights go o when the light control switch is at HEAD or AUTO,
and the headlight is on.
Door Lock Functions
Auto Lock
Doors on the vehicle lock automatically after the vehicle reaches a
certain speed.
Wireless Auto Lock on Shift
This locks the door when the lever shifts out of the P range.
Sunroof Operation
This will open the sliding roof if the door switch is held to UNLOCK
and the ignition switch is OFF. This will also close the sliding roof if the
door switch is held to LOCK and the ignition switch is OFF.
Sunroof Action
This selects the opening direction of the sliding roof when holding
the driver side door key unlocked for a certain time when the ignition
switch is OFF.
Key Fob Functions
Wireless Control
This is used to turn the wireless door lock ON or OFF.
Horn Chirp on Lock
This turns the wireless buzzer response function ON or OFF.
Open Door Warning
If a door is open when vehicle is being locked by the wireless door
lock, a buzzer will sound.
11
Gauge Setup (continued)
Panic Function
The "ON" setting will enable the Theft Deterrent System by pressing
and holding the Panic Button. Use the Lock Button if the Panic Button
is unavailable.
Wireless Auto Lock
This automatically locks doors after they are unlocked with the
wireless key.
Wireless Auto Lock Time
This will change the amount of time from unlocking the door(s) with
the wireless key to re-locking them automatically.
Warnings
Key Reminder Sound
This function changes the times at which the key reminder buzzer will
continue to sound.
Key Reminder Volume
This changes the volume of the key reminder buzzer.
Seat Belt Chime
This changes the seat belt reminder chime.
40450 GT T
+
Optical Flash on Lock
This is used to turn ON or OFF the hazard answer back of the wireless
door lock.
Unlock Driver Door
Use the GT to disable this feature so all of your vehicle doors will
unlock with one press of the button on a remote door lock unit.
Power Back Door
Wireless PBD Operation
This function changes the operation of the PBD by transmitter.
PBD Buzzer
This function will adjust the volume of the buzzer while the PBD
operates.
Security
Entry Delay
This will change the Entry Delay Time, or the period before starting
the warning, by the Passive Mode.
Other
Traction Control
This function will disable Traction Control.
Zero Point Calibration
This function is used to calibrate the Yaw Rate Sensor.
ECT Reset
This function is used to delete what the Electronic Controlled
Transmission has learned.
Passive Mode
This will set the Theft Deterrent System in 30 seconds after the Driver
door is closed and the Key is removed from the Ignition Key Cylinder.
Warning Broken Glass
This will turn the Glass Break Sensor ON or OFF.
Warn by Horn
This turns the glass break sensor ON or OFF. It is only functional when
the vehicle has a glass break sensor.
12
+
Gauge Setup (continued)
The following gauge options are provided to allow the GT T+ to monitor additional sensors that are only available with the
Bully Dog Sensor Docking Station.
40450 GT T
A/F Ratio 1 & 2
This gauge option shows the ratio of air to fuel. The GT T+ will
use this information to ensure that your engine is using the
correct ratio to completely burn all of the fuel being used and
maximize performance and eciency.
Only available on Bully Dog Sensor Docking Station part number
40385.
AUX 1, 2 & 3
This gauge option shows the information from sensors connected to
the 0-5V auxiliary inputs on the Bully Dog Sensor Docking Station.
AUX Temp
This gauge option shows the information returned to the Sensor
Docking Station by an optional temperature sensor. The port for
this sensor is marked as 5V out.
Frequency
This gauge option shows the information from a pulsing type of
sensor, like an on-board speed sensor or another optional sensor
that operates on the 0-5kHz 5V pulse range. The port on the Bully
Dog Sensor Docking Station for this gauge option is marked as FN.
13
User Options
Set Background Theme
Change the display colors on your GT T+.
Adjust Backlight
Change the brightness for both the day and the night operating
modes of the GT T+.
To change between night and day mode, hold both the right
buttons (the up and down buttons) while you are in the general
gauge display.
Set Animation Preferences
Turn the Wave Eect on or o. This eect creates a ripple on the
screen whenever you press a button.
Set SENSOR Settings
This is used with the SNS. (Sensor Docking Station) Find the description and instructions for this at bullydog.com in the Sensor
Docking Station product page.
English/Metric Units
Switch between miles/kilometers and gallons/liters.
Reset to Default
Change the user preferences back to the original Bully Dog default settings. This option does not change other GT T+ features
to default settings.
Reset Average Economy
This option resets the saved values on the GT T+ for average fuel economy, the number of gallons used, and the fuel eciency grade
displayed by the Driving Coach.
Performance Testing
This feature oers drag racers the ability to complete the 1/4 Mile and 0-100 KPH performance tests.
You can also download saved tests from your GT T+ to your computer and analyze it using the Bully Dog Performance Testing Software. The
software is available by free download from www.bullydog.com. See page 43 for more information about the Performance Testing Software.
40450 GT T
+
SPECIAL NOTE: Street racing is illegal and extremely unsafe. The performance testing feature should only be used on a sanctioned 1/4 mile drag racing track.
There are two dierent styles available for both tests. The GT T+ will show dierent test screens based on the style of test that is currently
selected in the Performance Testing Setup Menu.
Speed Sensitive Performance Test
Once this test is begun, the GT T+ will show instructions to the user to rst bring the vehicle to a stop. Once the vehicle is at zero miles per hour, the test
is ready. The test will automatically start once the vehicle begins to move.
Race Tree Performance Test
Before initiating the Race Tree style performance test it is important that the vehicle should already be at a complete stop. Once the test is begun, the
GT T+ will display a classic race tree on the screen. As soon as the lights on the tree turn green, the GT T+ will begin to record the vehicle’s time. In this
style of test, the GT T+ will not wait for the vehicle to start moving before it starts recording performance data.
1/4 Mile Performance Test
This option will test the vehicle’s performance until the vehicle has
traveled 1/4 mile.
- View Test Results
View the results for the last performance test that was run.
- Save Previous Test to SD Card
Save the results of the last run to the SD card in the GT T+. All runs
that are saved to the SD Card can be transferred to your computer
using our Performance Testing Analysis Software. For more information on our Performance Testing Analysis software, see page 41
or visit our website: www.bullydog.com
- Fastest Times
View the results for the quickest 1/4 mile ever recorded.
0-100 KPH Test.
This option will test the vehicle’s performance until the vehicle has
reached a speed of 100 kilometers per hour, which is about the same
speed as 62 miles per hour.
14
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