Bully Dog GT for Hemi Plus User Manual

Not legal for sale or

use in California on

pollution-controlled

vehicles.

GT for Hemi Plus
Part #40430

Doc. 40430-99 v1.2

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GT for Hemi Plus

CONTENTS

Updating the GT ..................................................20- 27

Overview ............................................................................20-21

FAQs about Updating ..................................................................................20

Basic Steps to Update (Short Version) ........................................................21

What You Need to Update the GT ...............................................................21

Updating your GT (Detailed Steps for Windows) .................22-25

Troubleshooting Updating Problems ........................................26

Updating Your GT (Detailed Steps for Apple/Mac) ....................27

Physical Installation .............................................28-31

Brief Preview ...........................................................................28

Detailed Instructions ...........................................................29-30

Using the Universal Windshield Mount ....................................30

Additional GT Mounting Options ..............................................31

About the GT ......................................................... 2-19

Preview of Basic Installation Steps .............................................2

Tuning Information .................................................................... 2

Vehicle Applications ...................................................................3

Parts List .................................................................................... 4

Parts Description .....................................................................5-6

Button Navigation .....................................................................7

The Main Screen.........................................................................8

Using the GT for Hemi Plus ..................................... 9-18

Change Vehicle...........................................................................9

Install Download ........................................................................9

Gauge Setup .........................................................................9-11

User Options ............................................................................12

Reset Average Economy ........................................................... 12

Performance Testing ................................................................ 12

Driving Coach Setup ............................................................13-15

Vehicle Settings .......................................................................16

Special Functions ..................................................................... 17

Diagnostics .............................................................................. 18

Show Settings .......................................................................... 18

Uninstall GT ............................................................................. 18

Update GT Software. ................................................................ 18

Installing the Tune ...............................................33-41

Important Preparation Steps...............................................33-34

How to Install the Tune ............................................................35

Troubleshooting Installation Problems ....................................41

Uninstalling - Returning to Stock ..........................43-45

What does this mean? .............................................................43

When to Return to Stock ..........................................................43

How to Return to Stock ............................................................43

What if I Don’t Return to Stock? ............................................... 45

How Do I Know if the GT is (Still) Installed? ..............................45

More Information .................................................47-56

Changing the Power Level........................................................47

Reset Fee .................................................................................47

Performance Testing Software ................................................. 47

Windows Update ................................................................48-54

Contacting Technical Suppor t ...................................................55

USB Mode ................................................................................ 55

Pyrometer Calibration ..............................................................56

FAQs/Troubleshooting .........................................................57-56

Important Warranty Information ...............................19

1

ABOUT THE GT FOR HEMI PLUS GTH

Preview of Basic Installation Steps

1. Update the GT. This step is very important!!! See page 20 for more information.

2. Physically install the GT. See page 28 for more information.

3. Install the tune to your vehicle. See page 33 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 43 for more information.

See pages 4-6 for a complete list and description of the items included with your GT.

Tuning Information

SETTING PEAK HORSEPOWER PEAK TORQUE OCTANE

High Octane up to 35 up to 40 91+ octane

GT for Hemi Plus

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Regular 15-20 15-20 85+ octane
Stock Stock Stock OEM 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 47 for more information.

2

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GT for Hemi Plus

VEHICLE APPLICATIONS

This vehicle application list is current for GT software version 1.1.4.2
Check the GT product page at www.bullydog.com to check for new applications.

DODGE

CHALLENGER

3.6L 2011-2013

5.7L V8 HEMI 2009-2012

6.1L V8 HEMI 2008-2010

CHARGER

3.6L 2011-2013

5.7L V8 HEMI 2006-2013

6.1L V8 HEMI 2006-2010

DAKOTA

4.7L V8 2008-2011

DURANGO

4.7L V8 2008-2009

5.7L V8 HEMI 2004-2013

MAGNUM

5.7L V8 HEMI 2006-2008

6.1L V8 HEMI 2006-2008

RAM 1500

CHRYSLER

300C

3.6L 2011-2013

5.7L V8 HEMI 2006-2012

6.1L V8 HEMI 2006-2010

ASPEN

4.7L V8 2008-2009

3

PARTS LIST

Your GT package should include the following items:

GT for Hemi Plus

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1. The GT Head Unit

Part Number: 40415-1

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: 40410-10

8. Micro SD Card Reader

Part Number: 40410-10

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:

Tools Needed

• Fuse Puller

• Voltage Meter (optional)

• Alternative Mounting Solution (See page 31 for more information.)

Extra Parts (Optional)

• Battery Charger

4

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GT for Hemi Plus

PARTS DESCRIPTION

The GT 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 Front Side:

The GT 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 head unit features a 2.4”
LCD screen.

GT Back Side:

1. T-Slot Mount Socket, which allows you to use the GT with dierent
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 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
Head Unit. The illustration and numbered list below contain more information about the other parts of this important piece of the GT
assembly.

GT for Hemi Plus

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1. OBDII Male End: Connects to the vehicle diagnostic port.

2. Power Wire Port: Connects the GT to the power wire and the vehicle fuse box. Allows

the GT to turn on and o with the key.

3. Fuse: The adapter plug fuse protects the GT from being damaged by unexpected power surges.

4. Power Switch: Changes the active power source of the GT.

The two options are: 1) KEY: this pulls energy from the fuse box through the power wire and allows the GT 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 directly through the vehicle’s
diagnostic port.

5. HDMI Port: Connects the OBDII adapter plug to the GT Head Unit.

6. Pyrometer/Sensor Docking Station Port: Connects the GT to optional sensors including pyrometers or the Bully Dog Sensor Docking Station.

7. Future Peripherals: Not currently in use – may be used to connect additional devices in the future

6

BUTTON NAVIGATION

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GT for Hemi Plus

FUNCTION 1: Press the top left button to enter the Main Menu, also use this button to exit menus.

Menu

Speed

RPM

Load

Coolant

Wasted Energy:

Decel 0 Accel

MPH

0

Driving Eciency:

Low High

RPM

0

Average MPG Gallons Grade

_ _

%

0

ECON TIP: Econ Goal

Set a more achievable

°F

fuel economy goal.

0

0.0

FUNCTION 2: Press any of the four buttons on the

left side of the GT adjacent to one of the vehicle pa-

FUNCTION 5: Use these buttons to scroll up and

down when GT is in a menu screen.

rameters on the screen will display that parameter in
the large gauge area.

FUNCTION 3: Continuously hold any of the four

buttons to change the Large Gauge style on the
Main Screen; there are four dierent style options.

NOTE: The GT 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 to work for you.

7

THE MAIN SCREEN

1. 2.

This picture of the GT 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 until the gauge

type that you want is shown.

Menu button: press to enter the Main Menu.

GT for Hemi Plus

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Vehicle parameters:

For information about changing which

parameters are displayed on the

Main Screen, see pages 9-10.

Speed

RPM

Load

Coolant

Menu

Wasted Energy:

Decel 0 Accel

MPH

0

Driving Eciency:

Low High

RPM

0

Average MPG Gallons Grade

_ _

%

0

ECON TIP: Econ Goal

Set a more achievable

°F

fuel economy goal.

0

Instant Economy

Dec. Acc.

Report Card:

0.0

B

The Driving

Coach

Large Gauge Area

Analog gauge
with average
and max peaks

3. 4.

Analog gauge
with mini graph

Large real time
graph

8

USING THE GT FOR HEMI PLUS

These options are presented in the order they appear on the Main Menu. If options are missing in your Main Menu, you
should update your GT. See pages 20-27 for more information on updating your GT.

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GT for Hemi Plus

Change Vehicle

This option allows you to choose the type of vehicle that the GT will be used with. If the tune has already been installed, the Change Vehicle
option cannot be used. Pages 45 and 43 have more information about checking to see if the tune is already installed and, if so, how to
uninstall the tune.

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. Pages
35-41 and 43-45 have more information about the installing the tune and returning to stock.

Gauge Setup

This option will allow you to change which gauges are being displayed on the main gauge screen. Denitions 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 to highlight the gauge slot you would like to change.

Go Back

to Main Menu

GAUGE SETUP

Set Gauge 1

Set Gauge 2

Set Gauge 3

Set Gauge 4

Speed

RPM

Load

Coolant

Gauge 1

Use the up and down arrows
to change the gauge function.

Pyro 2

Speed

RPM

3. Use the buttons on the right side of the GT to scroll through the dierent functions and highlight the one you want shown on the General
Display.

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)

GT for Hemi Plus

Pyro 1 & 2

Both pyro 1 and pyro 2 measure exhaust gas temperature. The only
dierence between them is the location of the temperature sensor.
Used for defuel level settings, which protect the engine from
heat damage.
Availability and location of factory installed pyrometers vary
according to vehicle make and year. All ’07.5 and newer diesel
pickups that are equipped with OEM diesel particulate lters
also include factory installed pyrometer sensors. For all other
vehicles, pyrometer kits are available for purchase from www.
BullyDog.com. Bully Dog and factory OEM sensors are the only
pyrometers which will work with the GT.

Speed

This option shows the current vehicle speed.
Monitoring this information can help you ensure that the
speed displayed on the GT and the vehicle speedometer match
the actual vehicle speed. Other important numbers, like the
odometer and fuel eciency, 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 Temperature

This option shows the coolant temperature.
Used in defuel settings to prevent damage to the engine.
Not available on all vehicles.

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 eciency.

Intake Temperature

This option shows the intake air temperature.
Air temperature aects 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) is designed to
work with the RFI to get the most out of your engine.

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.

MAF

This option displays information from the Mass Airow 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.

This option displays a real-time measurement of the vehicle’s fuel
economy, shown in miles per gallon.
Determine when your fuel eciency 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.

Boost

Current turbo boost pressure.

Barometer

Current atmospheric pressure.

Injection Pulse Width (IPW)

The time the injector stays open for each injection event; usually
displayed in milliseconds (ms).

Battery Voltage

This option shows the current vehicle speed.
Monitoring this information can help you ensure that the
speed displayed on the GT and the vehicle speedometer match
the actual vehicle speed. Other important numbers, like the
odometer and fuel eciency, are based on this information.

Additional features listed on the next page.

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Transmission Temp

This option shows the transmission temperature.
Used in defuel settings to prevent damage to the transmission.
Not available on all vehicles.

10

Gauge Setup (continued)

The following gauge options are provided to allow the GT to monitor additional sensors that are only available with the

Bully Dog Sensor Docking Station. For more information about the Sensor Docking Station, see page 59

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A/F Ratio 1 & 2

GT for Hemi Plus

This gauge option shows the ratio of air to fuel. The GT 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 eciency.

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.

11

User Options

GT for Hemi Plus

Set Background Theme

Change the display colors on your GT.

Adjust Backlight

Change the brightness for both the day and the night operating
modes of the GT.

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 Eect on or o. This eect creates a ripple on the
screen whenever you press a button.

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 features
to default settings.

Reset Average Economy

This option resets the saved values on the GT for average fuel economy, the number of gallons used, and the fuel eciency grade dis­played by the Driving Coach.

Performance Testing

This feature oers 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 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.

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.

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There are two dierent styles available for both tests. The GT will show dierent 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 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 will display a classic race tree on the screen. As soon as the lights on the tree turn green, the GT will begin to record the vehicle’s time. In this style of
test, the GT 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. 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.

12

Driving Coach Setup

The Driving Coach is a special feature designed to be your fuel economy dashboard and information center. It provides real-time visual and audio
feedback about driving eciency and where energy is being lost. The driving coach will help you understand the optimal conditions for your
particular vehicle through real-time observation, giving you the power to maximize your vehicle’s fuel economy.

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GT for Hemi Plus

Two hidden bonuses of driving more eciently are: saving money on fuel and helping the environment!

Before the Driving Coach can give you accurate information, it is important to make sure that the GT is showing the correct speed. In the
sections below, you will nd specic instructions for using the Driving Coach to become the best driver you can be.

Set Economy Goal

This option will allow you to select a fuel economy goal. The Driving Coach will use the economy goal to calculate your driving grade.

It is very important to select an economy goal that is realistic for both your vehicle and the kind of driving you will be doing. If you will be driving mainly
in the city or on the highway, choose a goal that is very close to the advertised fuel eciency for your vehicle in that type of environment. If you will be
doing a mixture, choose an economy goal between the advertised city and highway mileage for your car.

Reset Average Economy

This option will clear the values stored in the GT for the average fuel economy, the number of gallons used, and the grade in the Driving Coach.

Adjust Acceleration

This option will allow you to select the GT sensitivity for the acceleration and deceleration in the Driving Coach; this aects the driving grade assigned by
the Driving Coach.

Coach Sound Setup

This option will allow you to turn the Driving Coach sounds on or o.

Showing/Hiding the Driving Coach

The driving coach is always running, even if you choose not to have the information displayed. You can show or hide the driving coach on the Main
Display by holding one of the four bottom left buttons until the display cycles through to the gauge style that you want.

13

Driving Coach Setup (continued)

GT for Hemi Plus

Checking Speedometer Accuracy

First: Change the Gauge Setup to have the Speed displayed on the main display screen. See page 8 for more information about changing the
information displayed on the main display screen.

Next: Go to a safe place with little to no trac where you can perform a speed test. Make sure the speed limit is at least 60 mph. Here are two dierent
ways to nd out your vehicle’s actual speed:

Method 1: GPS

1. Use a GPS device to compare your actual speed and the speed displayed on the Bully Dog.

2. Calculate the Percent Difference by using this formula:

Percent dierence =

Example 1: A GPS device reads 65 mph and the GT reads 62 mph for one single moment.

Step 1. Percent dierence =

Step 2. Percent dierence =

Step 3. Percent dierence = .046 or 4.6% then round up 5%

GT speed - GPS Speed

GPS Speed

62 - 65

65

-3

65

Method 2: Stopwatch

1. Use a Stop Watch to measure how long it takes to travel one mile while traveling at 60 mph according to the GT.

Accelerate up to a speed of 60 mph (as shown on the GT)
While traveling at that constant speed, record the amount of time in seconds that it takes to travel exactly one mile.
*Use highway mile markers to ensure that your one mile measurement is correct.

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2. Record the time.

3. Calculate the Percent Difference.

If it takes 60 seconds to travel one mile
at 60 mph, then the GT is accurately
reading your vehicle speed.

If it takes 2 seconds more or less than
60 seconds to travel one mile, then use
the formula to the right to calculate the
Percent Dierence.

Once you have calculated the Percent Dier­ence, you can use that information to adjust
the speed display as described below

To calculate the percent dierence use this formula:

Percent dierence =

Example 1: Using a stop watch the actual time it took to drive one mile while traveling at
60 mph according to the GT was 63 seconds.

Step 1. Percent dierence =

Step 2. Percent dierence =

Step 3. Percent dierence =

Recorded Time - 60 seconds

60 seconds

63 - 60

60

3

60

.05 or 5.0%

Adjusting the Speed Display

1. Use one of the methods described in the previous section to determine the exact percentage dierence between the GT and your actual speed.

2. Choose the opposite percentage in the Adjust Speed Display menu.

For example, if the dierence between your actual speed and the speed displayed on the GT was 5%, you should choose -5% (negative ve percent).

14

Driving Coach Setup (continued)

Checking Average Fuel Economy

It is important to check the accuracy of the average economy readout on the GT at least once every changing season. There are many reasons to check
and adjust the average fuel economy, here is one example: The fuel delivered to gas stations during the winter contains an average of 1.3% less energy
than the fuel delivered in warmer seasons. That means that the same amount of liquid is going into the tank, but it is 1.3% less eective, on average.

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There are many similar factors that aect your fuel eciency that you cannot control and the GT cannot sense or adjust for. That is why it is important to
adjust the fuel economy of the GT every once in a while.

GT for Hemi Plus

1. Go to the gas station and get a full tank of gas.

2. Reset both of the following gauges before driving away from the gas station:

4. Drive the vehicle for an entire tank (or two)

5. Calculate your vehicle’s average fuel economy by hand using the following equation:

To adjust the Average Fuel Economy displayed by the GT, follow these steps:

• NOTE: If the speedometer on the vehicle is not accurate,

then the odometer will also be incorrect. You will need

to be able to calculate the exact number of miles driven

before your next refill.

- The Average Economy on your GT.

- The trip odometer on your vehicle.

6. Use the equation below to calculate the Percent Difference between the average fuel economy that you have calculated and the
average fuel economy that is displayed by your GT.

Adjust the Average Fuel Economy

Follow the steps listed below to change the average fuel economy that is displayed by the GT:

1. Go to the Main Menu

2. Choose Vehicle Setup

3. Choose Adjust Economy Display

4. Use the buttons on the right to move up and down the percentages

5. Choose a percent value that is the opposite sign of the Percent Difference that you calculated using the equation above.

- For example, if you determine that the Percent Difference is 14%, you should choose -14%.

15

Vehicle Settings

Set Engine Size

This is automatically determined when you choose your vehicle make and year during installation of the tune. You would only need to access this option
if you do not have a stock engine displacement size.

Set Vehicle Weight

This is automatically determined when you choose your vehicle make and year during installation of the tune. You would only need to access this option
if you do not have a stock gross vehicle weight.

Select Pyro Source

Choose either factory installed or Bully Dog pyrometers.
(Only available on 07.5 and newer vehicles that come equipped with a factory pyrometer)

Set Warning Levels

Set the temperature level at which the GT will provide a warning to help you protect your engine from heat damage.

It is also possible to turn each of these settings completely o. This is appropriate if the sensor for that setting is not available or if you do not wish to
have that setting monitored by the GT.

See the Pyrometer Calibration sec tion on page 56 for help in determining warning temperatures.

GT for Hemi Plus

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Pyro 1 Temperature Level

Pyro 2 Temperature Level

Engine Coolant Temp Level

Boost Level

Turn this setting o or add a Bully Dog boost sensor if your vehicle does not
have a factory turbo boost.

Transmission Temperature

Turn this setting o or add a Bully Dog boost sensor if your vehicle does
not have a factory transmission temperature sensor.

Startup Coolant Temp Level

This option was included to ensure that the vehicle is warmed up
properly before the GT tuning options that provide additional power
are available to be used.

Adjust Economy Display

Change the miles per gallon shown by the GT.

This setting should be changed if the GT is showing incorrect fuel mileage. See page 15 for more information about how to do this.

Adjust Speed Display

Change the vehicle speed shown by the GT.

This setting should be changed if the GT is showing an incorrect vehicle speed. See page 14 for more information on how to do this.

16

Special Functions

The same special functions are not available for all vehicles. You can check out which
features are available for your model by visiting the Bully Dog website.

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GT for Hemi Plus

Tire Pressure Limit

Change or disable the Tire Pressure Monitoring System (TPMS).

Accessory Delay

Control how long accessory items will remain on after the engine has
been turned o and the doors remain closed. Accessory items include
the radio, cigarette lighter, etc.

Headlight Delay

Set the amount of time that the headlights remain on after the engine
has fallen o.

Daytime Lights

Disable or enable daytime running lights.

Fog Lights W/High

Run the fog lights and the high beams at the same time.

Optical Flash on Lock

The hazrd lights will ash each time the doors are locked by a remote
control unit while this feature is enabled.

Auto Door Lock

The vehicle will automatically lock all the doors when it reaches a
speed of 15 mph.

Unlock Driver Door

Disable this option to unlock all doors with one button press on a
remote keyless entry unit.

Horn Chirp Length

Set the length of the horn chirp when the lock button is pressed on a
remote keyless entry unit when this option is enabled.

Auto High Beams

Enable or disable the Auto High Beams vehicle feature.

Seatbelt Reminder

Use the GT for Hemi Plus to turn o the seat belt reminder chime.

Traction Control

Completely disable the vehicle’s traction control by choosing Disable.

• After re-enabling traction control (reverting back to stock
settings), the dash light may stay lit until the key is cycled.

Headlights W/Wipers

Disable the “Headlights On With Wipers” vehicle feature.

• Vehicle must be equipped with “Automatic Headlights”

HL on Unlock

Turn on the headlights by pressing the unlock button on a remote
keyless entry unit while this feature is enabled.

One Press to Unlock

Unlock all doors with a single button press (on a remote keyless entry
unit) when this option is enabled.

Reset Adaptives

Reset engine parameters that are calculated over time.

Delay Lock

Set the amount of time the vehicle will delay before locking the doors
with a remote keyless entry system when this option is enabled.

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Headlight Approach Timer

Adjust the length of time the lights remain on when a vehicle is
unlocked using the remote control unit.

Diagnostics

GT for Hemi Plus

This option reads the Diagnostic Trouble Codes (DTCs) from your vehicle engine. You can also erase these codes from here.
To look up the DTC codes, the following website is very helpful: http://engine-codes.com/
You can also search for more information about DTC codes online using your favorite search engine.

IMPORTANT NOTE: Most DTCs indicate a problem with the engine, not with the tune or the tuner itself. If you want to know if a DTC is being caused by the GT or not, unin­stall the tune and drive your vehicle for about one week. If the DTC comes back, there is a problem with the vehicle and you should take it to a trusted mechanic. If the DTC
doesn’t come back, reinstall the tune and test drive for another week – if the DTC comes back while the tune is reinstalled, contact technical support. Be sure to have your
tuner, vehicle, and a computer with internet access available when contacting technical support. See page 65 for more information about contacting technical support.

Show Settings

The Show Settings screen will show you information about your vehicle, the GT, and your current vehicle settings. This screen will also indicate if
the GT tune is currently installed or not installed on a vehicle.

Uninstall GT

This option will allow you to uninstall the tune from your vehicle. This process is very similar to installing the tune, so be sure to take the same
precautions listed on pages 33-34.

You can nd more information about uninstalling the download on pages 43-45.

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Update GT Software

This option will update the software on the GT itself from the les on the Micro SD card. This is an important nal step to the update process. See
pages 20-27 for more information about updating your GT.

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