Bully Dog GT GAS Manual
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Bully Dog GT GAS Manual

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Part #40417
Document #40417-99 v2.0
(940) 783-9915 | www.bullydog.com
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  • Page 1 Part #40417 Document #40417-99 v2.0 (940) 783-9915 | www.bullydog.com...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS ABOUT THE GT GAS PHYSICAL INSTALLATION Manual Overview .............02 Brief Preview ............23 Parts Checklist ............03 Detailed Instructions ..........24 Parts Description ..........04-05 Using the Universal Windshield Mount ....25 Button Navigation ............06 The Main Screen ............06 INSTALLING THE TUNE Available Options –...

  • Page 3: About The Gt Gas

    ABOUT THE GT GAS MANUAL OVERVIEW This product is a combination of previous gas tuners sold by Bully Dog. To make a more expedient product for our dealers and a more efficient product for end users, we have combined all previous gas tuners into one amazing unit. Since particular tuners support a...

  • Page 4: Parts Checklist

    ABOUT THE GT GAS PARTS CHECKLIST The following is a list of the items that should be included in the GT Gas packaging. If you are missing any of the items please contact technical support at bullydog.com/support. GT DEVICE P/N: 40415-1...

  • Page 5: Parts Description

    ABOUT THE GT GAS PARTS DESCRIPTION – GT DEVICE The main component of the GT Gas is the device itself. The GT has the screen and the buttons that allow you to access all of the functions and features of the device.
  • Page 6 GT Gas assembly. 1. OBDII Male End: Connects to the vehicle diagnostic port. 2. Power Wire Port: Connects the GT Gas to the power wire and the vehicle fuse box. Allows the GT Gas to turn on and off with the key.

  • Page 7: Button Navigation

    1. 2. Function 2: Press any of the four Wasted Energy buttons on the left side of the GT Gas adjacent to one of the vehicle parameters to display that Analog gauge The Driving parameter in the large gauge area.

  • Page 8: Available Options - All Models

    Change Vehicle This option allows you to choose the type of vehicle that the GT Gas will be used with. If the tune has already been installed, the Change Vehicle option cannot be used. Read the "Show Settings" section in this manual for more information about checking to see if the tune is already installed and, if so, how to uninstall the tune.
  • Page 9 GT Gas. If pyro 1 & 2 are unavailable through the OEM, go through the Sensor Docking Station. This option displays information from the Mass Airflow Sensor.

  • Page 10: User Options

    Resetting Average Economy This option resets the saved values on the GT Gas for average fuel economy, the number of gallons used, and the fuel efficiency grade displayed by the Driving Coach. GT GAS Part# 40417...

  • Page 11: Performance Testing

    Save the results of the last run to the SD card in the vehicle is at zero miles per hour, the test is ready. The test GT Gas. All runs that are saved to the SD Card can be will automatically start once the vehicle begins to move.

  • Page 12: Driving Coach Setup

    Reset Average Economy 22mpg 23mpg This option will clear the values stored in the GT Gas for the average fuel economy, the number of gallons used, and the grade in the Driving Coach. Sensitivity This option will allow you to select the GT Gas sensitivity for the acceleration and Go Back deceleration in the Driving Coach;...
  • Page 13 Make sure the speed limit is at least 60 mph. Comparing GPS & GT Gas speeds Use a GPS device or GPS APP to compare your actual speed and the speed displayed on the GT Gas. Calculate the Percent Difference by using the formula below:...
  • Page 14 1.3% less effective, on average. There are many similar factors that affect your fuel efficiency that you cannot control and the GT Gas cannot sense or adjust for. That is why it is important to adjust the fuel economy of the GT Gas every once in a while.

  • Page 15: Vehicle Settings

    Set Warning Levels Set the temperature level at which the GT Gas will provide a warning to help you protect your engine from heat damage. It is also possible to turn each of these settings completely off. 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 Gas.

  • Page 16: Special Functions

    This means that they are set when you install the tune. The only way to change these settings is to start the Install Download process and choose Change Settings when you are prompted by the GT Gas. Special Functions available on GM vehicles Camshaft Variation Relearn The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM.
  • Page 17 This means that they are set when you install the tune. The only way to change these settings is to start the Install Download process and choose Change Settings when you are prompted by the GT Gas. Special Functions available on select Toyota vehicles...
  • Page 18 The same special functions are not available for all vehicles. These options cannot be adjusted on-the-fly. This means that they are set when you install the tune. The only way to change these settings is to start the Install Download process and choose Change Settings when you are prompted by the GT Gas. Engine Fan...
  • Page 19 This means that they are set when you install the tune. The only way to change these settings is to start the Install Download process and choose Change Settings when you are prompted by the GT Gas. Tire Pressure Limit Traction Control Change or disable Tire Pressure Monitoring System (TPMS).
  • Page 20 This means that they are set when you install the tune. The only way to change these settings is to start the Install Download process and choose Change Settings when you are prompted by the GT Gas. Tire Pressure Limit Traction Control Change / disable Tire Pressure Monitoring System (TPMS).

  • Page 21: Diagnostics

    If no DTCs are displayed you can simply press the Go Back button to return to the main menu. If DTCs do appear on the screen the GT Gas will provide a DTC code value and a description. At that point the DTCs can be written down and then cleared from the vehicle computer.

  • Page 22: Updating The Gt

    It is also a good idea to update the GT Gas if you have uninstalled the tune for any reason, like taking your vehicle in for service. This will help you avoid any problems during the reinstall if the engine computer has been flashed and has new part numbers (this is very common, even for a routine vehicle service).

  • Page 23: Updating Your Gt (Steps For Windows)

    2. Locate and click the "Software" option and then click on "Light Duty Update Agent, Device Updater, and Livelink Downloads". You will see "Bully Dog Update Agent (Updater for GT devices)". Click to begin downloading and installing on your computer.

  • Page 24: Physical Installation

    1. Connect the adapter plug to the vehicle diagnostic port (OBDII) located under the dash on the driver’s side. 2. To power on the GT Gas, slide the power switch on the adapter plug to BAT position. 3. Using the HDMI cable, connect the Gt Gas to the adapter plug.

  • Page 25: Detailed Instructions

    PHYSICAL INSTALLATION Complete Installation – key-on fuse. Steps below will enable the vehicle key position to control the power state (on/off) of the GT; if you do not want the GT to automatically power on and off according to the key position, skip these steps. 1.

  • Page 26: Using The Universal Windshield Mount

    GT Gas to multiple surface materials in any vehicle – which means that you can try different places and find the best place for your GT Gas to be at any time. Pillar Mount Gauge Pods Bully Dog also offers gauge pods, which will allow you to mount the GT Gas on the pillar of your vehicle.

  • Page 27: Preparation Steps

    – IF THE PROCESS IS INTERRUPTED YOU MAY HAVE PROBLEMS WHICH COULD PREVENT YOU FROM USING THE GT GAS OR EVEN BEING ABLE TO DRIVE YOUR VEHICLE FOR A FEW DAYS. IN ORDER TO HAVE THE BEST INSTALLATION EXPERIENCE POSSIBLE, REVIEW THE INSTRUCTIONS AND PAY CLOSE ATTENTION TO THE PREPARATION STEPS LISTED BELOW.

  • Page 28: Installing The Tune - General Instructions

    Gen Display settings such as the speed limiter. Change Vehicle 7. The GT Gas will indicate when it is finished PRESS Install Download and then reboot to the Main Gauge Display 8. After installation, replace any fuses that you Gauge Setup may have removed.

  • Page 29: Troubleshooting Installation Problems

    2. Turn the key to the Off position, then turn it back to the On position. 3. Jiggle the key. 4. Disconnect the GT Gas. 5. Update the GT Gas if this has not already been done. 6. Reconnect the GT Gas. 7. Make sure that all aftermarket electronics are disconnected from the vehicle.

  • Page 30: Tuning Installation - Toyota Vehicles

    In all Toyota applications, it is very important that you do not turn the key off and on unless requested by the GT Gas. A key cycle is when you turn the key to the off position, and back to the run position.
  • Page 31 TUNING VEHICLE INSTALLING THE TUNE – TOYOTA VEHICLES ONLY – Toyota ,vehicles requires slightly different Tuning steps that are listed below. ® DISCLAIMER Are you the owner of this 1. Turn the key to the vehicle? Have you read the 5.
  • Page 32 23. Premium Select Speed Limiter You Have Already Selected Otherwise continue to 13. X of 3 Do You Want To Select Stock Another Tune? 65 MPH 75 MPH Continue the installation on the next page GT GAS Part# 40417...
  • Page 33 SD card from card reader. Finally, insert CODE 550 16. The code (550) at right EXIT the card back into the GT Gas. will display when vehicle VEHICLE DATA. Vehicle Data Successfully Retrieved. Please data has been successfully...
  • Page 34 UNLESS INSTRUCTED important that you do not turn the key off Failure to do this may render and on unless requested by the GT Gas. A your vehicle unusable Press Continue key cycle is when you turn the key to the off position, and back to the run position.

  • Page 35: Tuning Installation - Hemi Vehicles

    – IF THE PROCESS IS INTERRUPTED YOU MAY HAVE PROBLEMS WHICH COULD PREVENT YOU FROM USING THE GT GAS OR EVEN BEING ABLE TO DRIVE YOUR VEHICLE FOR A FEW DAYS. IN ORDER TO HAVE THE BEST INSTALLATION EXPERIENCE POSSIBLE, REVIEW THE INSTRUCTIONS AND PAY CLOSE ATTENTION TO THE PREPARATION STEPS LISTED BELOW.

  • Page 36: Tuning Installation - Jeep Vehicles

    Installing on a: and press continue. (your vehicle make and model) POSITION DON’T START ENGINE. PRESS CONTINUE Press YES to continue If not, restart and select the correct vehicle. Continue the installation on the next page GT GAS Part# 40417...
  • Page 37 Exit proceed to the next step. display a progress bar VEHICLE DATA. Vehicle Data has Please Wait..If the GT Gas does not as it gathers files. When been successfully retrieved. display code 262, skip to the Update Agent displays...
  • Page 38 ® following are the steps you need to follow for Hemi installation. 13. The GT Gas will prompt you to select settings for the “Download Functions”. Be aware that some functions are not available for every vehicle. POWER LEVELS...
  • Page 39 Hemi installation. BUILDING FILE PLEASE WAIT 17. Turn the key to “off” and TUNE press Continue. The GT Please Wait..14. The GT Gas will build the Please Wait..Gas will display countdown tuning file. XXXXXXXX timers. Follow instructions Seconds on the screen.
  • Page 40 2. Turn the key to the Off position, then turn it back to the On position. 3. Jiggle the key. 4. Disconnect the GT Gas. 5. Update the GT Gas if this has not already been done. 6. Reconnect the GT Gas. 7. Make sure that all aftermarket electronics are disconnected from the vehicle.
  • Page 41 – IF THE PROCESS IS INTERRUPTED YOU MAY HAVE PROBLEMS WHICH COULD PREVENT YOU FROM USING THE GT GAS OR EVEN BEING ABLE TO DRIVE YOUR VEHICLE FOR A FEW DAYS. IN ORDER TO HAVE THE BEST INSTALLATION EXPERIENCE POSSIBLE, REVIEW THE INSTRUCTIONS AND PAY CLOSE ATTENTION TO THE PREPARATION STEPS LISTED BELOW.
  • Page 42 Installing on a: and press continue. (your vehicle make and model) POSITION DON’T START ENGINE Press YES to continue PRESS CONTINUE If not, restart and select the correct vehicle. Continue the installation on the next page GT GAS Part# 40417...
  • Page 43 PC. 12. The Update Agent will INITIAL DOWNLOAD 16. The GT Gas will begin the UPDATING FILES display a progress bar initial download. This will as it gathers files. When CONTINUE Please Wait..
  • Page 44 Jeep vehicles require slightly different installation steps than other vehicle applications, the following are the steps you need to follow for Jeep installation. 18. The GT Gas will prompt you to select settings for the “Download Functions”. Be aware that some functions are not available for every vehicle.
  • Page 45 2. Turn the key to the Off position, then turn it back to the On position. 3. Jiggle the key. 4. Disconnect the GT Gas. 5. Update the GT Gas if this has not already been done. 6. Reconnect the GT Gas. 7. Make sure that all aftermarket electronics are disconnected from the vehicle.

  • Page 46: What Does This Mean

    Installing the GT on a different vehicle In order to install the GT Gas on a different vehicle you will need to return the vehicle to stock. The GT Gas can only be used on one vehicle at a time.

  • Page 47: How To Return To Stock

    1. Go to the Main Menu. 2. Scroll down. 3. Choose Show Settings. 4. Check to see what the GT Gas shows next to “Download”. 5. If it shows: • Installed – the tune is still loaded on the engine computer.

  • Page 48: More Information

    CHANGING POWER LEVELS The power level tunes on the GT gas are based on the octane of the fuel being run in the vehicle. Unlike the GT diesel, this option cannot be changed On The Fly (OTF), because it is impossible to change the type of fuel being used while you are driving.

  • Page 49: Faqs/Troubleshooting

    A. The power switch on the OBDII adapter plug is in the “wrong” position. If you want the GT Gas to turn on and off along with the rest of your vehicle, you will need to make sure that the power switch is in the “correct”...

  • Page 50: Usb Mode

    USB MODE When you connect your GT Gas to your computer via a USB cable, it enters USB Mode. In order to use the Update Agent, keep the GT Gas in USB Mode. If you want to use your computer to power the GT Gas and allow you to access some of the GT Gas’s functions when it is not connected to...

  • Page 51: Important Information

    Market Association) website: http://www.bipac.net/page.asp?content=warranty&g=semaga GT GAS WARRANTY A new GT Gas is covered for one year after the date of purchase. This warranty covers repairs for factory defects; it does not cover accidental damage or reset services. For pricing information and assistance in having a damaged GT Gas unit repaired, contact technical support.
  • Page 52 GT GAS Part# 40417...

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