GT DIESEL GT Diesel Part #40420 Not legal for sale or use in California on pollution-controlled vehicles. Doc. 40420-99 v3.
GT DIESEL Contents Vehicle Specific Download Features.............................18 Speed Limiter...........................................................................18 Calibrate Speedometer.............................................................18 Low End Power.........................................................................18 Important Warranty Information................................19 Updating the GT................................................... 20-27 Overview.............
GT DIESEL About the GT 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 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.
GT DIESEL vehicle applications This vehicle application list is current for GT software version 1.13.8. Check the GT product page at www.bullydog.com to check for new applications. CHEVROLET/GMC EXPRESS/SAVANA 6.6L 2006-2014 KODIAK/TOPKICK 6.6L 2006-2010 SIERRA/SILVERADO 6.6L 2001-2014 FORD EXCURSION 6.0L 2003-2006 7.3L 1999-2003 F-250-550 6.0L 2003-2007 6.4L 2008-2010 6.7L 2011-2014 *NO 2013 CAB & CHASSIS 7.3L 1999-2003 DODGE RAM 2500-3500 5.9L 2003-2007 6.7L 2007-2013 RAM 4500-5500 5.9L 2003-2007 6.
GT DIESEL PARTS LIST Your GT package should include the following items: 1. The GT Head Unit 5. Fuse Tap Part Number: 40420-1 6. Fuse Spade 2. OBDII Adapter Plug Part Number: 40400-105 7. Micro SD Card Part Number: 40410-10 8. Micro SD Card Reader 3. HDMI Cable Part Number: 40410-10 Part Number: 40400-100 4. Power Wire Part Number: 40400-101 8. Windshield Mount Part Number: 40400-102 4.
GT DIESEL 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 finger. 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.
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 DIESEL Parts Description 1.
GT DIESEL BUTTON NAVIGATION Function 1: Press the top left button to enter the Main Menu, also use this button to exit menus. Function 2: Press any of the four buttons on the left side of the GT adjacent to one of the vehicle parameters 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, there are four different styles that pop up.
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. Large Gauge area 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.
GT DIESEL 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 should update your GT. See pages 20-27 for more information on updating your GT. 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.
Pyro 1 & 2 Both pyro 1 and pyro 2 measure exhaust gas temperature. The only difference between them is the location of the temperature sensor. These temperature readings are used for defuel and warning level settings, which can help protect your engine from heat damage. The 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 filters also include factory installed pyrometer sensors.
GT DIESEL Performance Testing This feature offers 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 41 for more information about the Performance Testing Software. SPECIAL NOTE: Street racing is illegal and extremely unsafe.
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 efficiency 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.
GT DIESEL Driving Coach Setup (continued) Checking Speedometer Accuracy First: Change the Gauge Setup to have the Speed displayed on the main display screen. See page 9 for more information about changing the information displayed on the main display screen. Next: Go to a safe place with little to no traffic where you can perform a speed test. Make sure the speed limit is at least 60 mph. Here are two different ways to find out your vehicle’s actual speed: Method 1: GPS 1.
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 effective, on average.
GT DIESEL Vehicle Setup Select Pyro Source Choose either factory installed or Bully Dog pyrometers. Set Defuel Levels Set the temperature level at which the extra power level settings on your GT are automatically turned off to protect your engine from 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 controlled by the GT.
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 GT DIESEL User Options Turn the Wave Effect on or off. This effect creates a ripple on the screen whenever you press a button.
GT DIESEL Special Functions 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 Chevrolet/GMC DPF Burn-Off (2007.5 – 2009 Chevy/GM 6.
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. 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.
GT DIESEL Important Warranty Information Vehicle Warranty You can access information about your vehicle warranty and your rights as an owner to use aftermarket products without voiding the warranty at the following SEMA (Specialty Equipment Market Association) website: http://www.bipac.net/page.asp?content=warranty&g=semaga GT Warranty A new GT 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.
Overview FAQs about Updating Why do I have to update my GT? Because it’s very important! These are just some of the reasons: GT DIESEL Updating the GT 1. Vehicle manufacturers regularly change the part numbers and other information that the GT needs to know in order to communicate effectively with your engine computer. If the GT doesn’t have updated information, it may not work correctly with your vehicle.
GT DIESEL Updating the GT Basic Steps to Update (Short Version) You can find a more detailed description of this process on pages 22-25. 1. Run the Update Agent. 2. Connect the Micro SD card to your computer. 3. Choose the vehicle application and let the Agent search. 4. Click the Update button. 5. When the Update is finished, put the Micro SD card in the GT. 6. Update the GT from the SD card by choosing Update GT Software on the Main Menu. What You Need to Update the GT 1.
GT DIESEL Updating the GT (Detailed Steps for Windows) The following instructions are intended for Microsoft Windows computers. Please see page 27 for Apple computer instructions. Uninstall the tune from your vehicle 1. If the tune is not yet installed, skip to step 2. 2. For information about uninstalling the tune, see pages 38-40. 3. For information about checking to see if the tune is installed, see page 40. Connect your Micro SD card to a computer with internet access 1.
GT DIESEL Updating the GT (Detailed Steps for Windows) The following instructions are intended for Microsoft Windows computers. 4. You can download the installation file at http://www.bullydog.com/update_agent.php • Run the application – you do not need to save it. • If you get pop-up messages asking for permission to install, click the buttons to let your computer finish installing the Update Agent.
(Detailed Steps for Windows) 5. Run the application. • If you have just installed it, the Agent may already be running. - You can show the Update Agent by right-clicking the icon in the system tray at the bottom right corner of your screen, and then clicking Show Agent. - Or you can stop the previous instance of the Update Agent and open a new one – either option is a winner.
GT DIESEL Updating the GT (Detailed Steps for Windows) 8. NOTE: This step varies depending on how you have connected the Bully Dog to your computer. • If you have the Micro SD card connected to the computer: - Disconnect it from the computer and put it in the GT. - Then turn the GT on by connecting it to a computer or to a vehicle and turning the key to the Run position. • If you have the GT connected to the computer: - Press the second key from the top on the left side to get out of USB mode.
The Update Agent Won’t Install Q.Why does my computer open a window full of weird symbols when I try to install the Update Agent? GT DIESEL Troubleshooting Updating Problems A. Your computer is not up to date and you need to run Windows Update first. See pages 42-48 for more information about running Windows Update. The Update Agent Won’t Recognize my Micro SD card Q. Why isn’t the Update Agent recognizing that the Micro SD card is connected to my computer? A.
GT DIESEL Updating Your GT (Detailed Steps for Apple) 1. Return your vehicle to stock. See pages 38-40 for detailed instructions on this process. 2. Connect your Micro SD card to your computer. • Connect the Micro SD card using a card reader. OR • Connect the GT with the Micro SD card installed by using a USB cable. Do not use the HDMI cable to update the GT. 3. Format your Micro SD card to the FAT file system. 4. Go to the Bully Dog website and click on the link for Update Agent.
Be sure to check the list and description of included parts on pages 4-6. Brief Preview This is a quick list of the basic installation steps. You can find more specific information about each step in the next section. 1. Connect the OBDII adapter plug to the port under the dash. 2. Plug in the power cable to the fuse box and connect it to the adapter plug. 3. Run the HDMI cable under the dash. 4. Mount and connect the GT.
GT GT DIESEL Physical Installation Detailed Instructions 1. Connect The OBDII Adapter Plug to the OBDII Port. See page 6 for a detailed description of the different parts of the OBDII adapter plug. • Find the OBDII port in your vehicle. As shown in the illustration, the specific location of the port can vary between different vehicles, but it is always somewhere under the driver’s side dash. The OBDII port will have the same shape as the end of the adapter plug.
Detailed Instructions (Continued) 3. Run the HDMI cable under the dash. This step helps you install the HDMI cable in a way that is discreet, stylish, and that helps to protect the GT 1. Plug one end of the HDMI cable into the port on the OBDII adapter plug. 2. Run the middle of the cable up through the dash on the driver’s side so that the end of the cable comes out near the A-pillar.
GT DIESEL Additional Mounting Options Bully Dog has created alternative mounting solutions which will allow you to mount your GT in even more convenient locations. RAM Mirror-Mate Part Numbers: 31600 and 33600 The RAM Mirror-Mate mounting kit will allow you to mount your GT directly beneath your rearview mirror. This heavy-duty mounting solution provides easy and intuitive access to your GT without blocking the driver’s view. Y.
In order to enjoy additional horsepower and other advantages of tuning your vehicle, you need to use the Install Download feature. The process is basically the same when you are installing, changing settings, or returning to stock. CAUTION! This option actively reprograms the engine computer in your vehicle – if the process is interrupted because of poor preparation you will have problems which could prevent you from using the GT or even being able to drive your vehicle for a few days.
GT DIESEL Installing the Tune Important Preparation Steps (Continued) Make SURE that the Battery is Charged DO make sure that your batteries are fully charged before beginning any download. It is a good idea to have a battery charger ready to connect to your vehicle if the batteries begin to lose their charge while you are installing the download.
Removing Fuses This step is vital for successful installation on some vehicles, but not required on others. The following pages include information about which fuses need to be pulled to allow the GT to install the tune to the engine computer on specific vehicles. If the fuses are not pulled, the tune will most likely freeze during the install process. Fuses can be replaced after the tune installation has been completed. GT DIESEL Installing the Tune 99-‘01 Ford 7.
GT DIESEL Important: this fuse box is located inside the engine bay on the driver’s side of the vehicle 2003-2005 Duramax Fuse Diagram Remove fuses prior to installation • TBC BATT • TBC IGN1 • Radio • INFO 35
1. Complete the Pre-install steps • Update GT using Update Agent (pages 20-27). • Physical Installation (pages 28-31). • Install tune preparations (pages 32-35). GT DIESEL how to install the Tune 2. Turn your key to the Run position. (DO NOT start the engine) 3. Go to the Main Menu 4. Choose Install Download 5. Follow the instructions on your GT screen, which will include the following steps: .• You will need to turn your key to different positions and then press Continue.
GT DIESEL Installing the Tune Troubleshooting Installation Problems Error During Installation 1. Make note of the code number and all information displayed on the screen. 2. Disconnect and update your GT. See pages 20-27 for instructions. 3. Make sure that you have disconnected all aftermarket electronics and completed all of the important preparation steps. See pages 32-35 for more information. 4. Try to install the download again. 5. If the error occurs again, contact technical support.
What does this mean? “Uninstalling the tune” and “returning to stock” are different ways to describe the same thing: writing the original (stock) information to the engine computer so it uses the settings that it used before you installed your GT. Doing this also sends a signal to the GT to let it know that it is no longer installed on a vehicle, which will allow you to install the tune at a later time. The GT will not allow you to install if the tune has already been installed on a vehicle.
GT DIESEL Uninstalling - Returning to Stock How to Return to Stock There are two ways to return your vehicle to stock. IMPORTANT NOTE: Both methods are very similar to installing the tune to your vehicle, so you should make the same preparations and take the same precautions. This means choosing a good time and place, making sure the battery is charged, pulling fuses (if necessary), disconnecting aftermarket electronics, etc. See pages 32-35 for more information.
What if I Don’t Return to Stock? Here are some common examples: • If you take your vehicle in for service, they will “flash” the engine computer. Even if you ask them not to, any dealer or shop will do this automatically – it is standard procedure for any vehicle they see and they really can’t help themselves from following this ingrained habit. What they are doing is actually writing an updated file over any information that is currently saved in your engine computer.
GT DIESEL More Information Pyrometer Calibration What is Pyrometer Calibration? Pyro calibration is a way to find the best temperature to use for the GT defueling or warning setting for your vehicle. This will help you prevent heat damage to your engine. How to Calibrate Your Pyrometer 1. Return your truck to stock by uninstalling the tune. See pages 38-40 for more information. 2. Find a steep hill with a long road and a high speed limit. 3. Wait for a hot day. 4. Set up a heavy load on your vehicle. 5.
Windows Update Windows XP 1. Click the Start button. GT DIESEL More Information 2. Click All Programs 3. Click Windows Update 4.
GT DIESEL More Information Windows Update (continued) Windows XP 5. If your computer doesn’t have the most recent update software, your browser will display a pop-up bar like the one shown below: If your computer shows that message, click on the bar and then click Install ActiveX Control: If your computer doesn’t show that message, skip to step 9. 6. When the Internet Explorer Security Warning pops up, click Install: 7. Click the Install Now button. 8.
Windows Update (continued) Windows XP 9. At this point, you have two choices: • Express: Choose this option if you prefer an automatic update and have the time to wait for all of the updates to finish downloading and installing. Depending on how many updates are required, this could take several hours. It is also likely that you will have to restart your computer in the middle of the process and may even have to run the Express Update more than once before your computer is completely up to date.
GT DIESEL More Information Windows Update (continued) Windows XP 12..Your computer will then download and install the updates for the Windows Update software. When your computer has finished downloading and installing the updates, you will be prompted to restart your computer. You must restart in order to proceed to the next step in the update process. 13. Once your computer has restarted, repeat steps 1,2,3, and 9 (open Windows Update and click Custom).
Windows Update (continued) Windows XP 14. After checking for the latest updates for your computer, Windows Update will display a list of updates that are available. First, scroll down and clear any of the High Priority updates that may already be selected. GT DIESEL More Information 15. Once you have cleared the other updates, click on Software, Optional. 16. Click the box to select the Microsoft .NET Framework 3.5 Service Pack 1 and .NET Framework 3.5 Family Update (KB951847) x86.
GT DIESEL More Information Windows Update (continued) Windows XP 17. Once the .NET Framework 3.5 Service Pack is selected, click on Review and Install Updates. 18. Make sure that the .NET Framework is the only update selected, then click Install Updates.
Windows Update (continued) Windows XP 19. Windows will download the .NET Framework 3.5 Service Pack update. Windows will also automatically initialize the installation of the update. This step could take a few minutes and it might seem like your computer is stuck, but this is normal and your computer will continue the process automatically when it is ready. GT DIESEL More Information Then, your computer will begin installing the update. Again, this process can take several minutes to get started.
GT DIESEL Contacting Technical Support Technical Support is open Monday-Friday, 8 a.m. – 5 p.m., Mountain Standard Time. The phone number to contact technical support is (940)783-9915. You should have all of the following items available when contacting technical support: • Your GT tuner • Your vehicle • A computer with internet access USB Mode When you connect your GT to your computer via a USB cable, it enters USB Mode. In order to use the Update Agent, keep the GT in USB Mode.
If you notice rougher shifting on 6.6L Duramax or 6.0L Powerstroke vehicles after installing the tune to your engine computer, you can help your transmission adjust to the additional horsepower by following the Transmission Relearn Process described below. Your transmission will also automatically adjust after about 150 miles of regular driving if you prefer not to complete the relearn process. GT DIESEL Transmission Relearn Process GM 6.6L Duramax with Allison Transmission 1.
GT DIESEL FAQs/Troubleshooting Engine Warm-Up Mode Q. My engine is stuck in warm-up mode and I can’t change the power level. What is going on and how can I fix this? A. This is a feature that we have included with the GT to help people, particularly fleet managers, ensure that their vehicles are properly warmed up before additional power level settings can be used. In some vehicles, this option doesn’t turn off when it should, either because the sensor is not present or the setting is too high.
My Vehicle Won’t Start after Returning to Stock Q. My truck won’t start after I uninstalled the tune. How do I fix this? A. Follow these steps to get your truck running with the tune uninstalled: 1. Make sure that you have completed all of the preparation steps on pages 32-35. GT DIESEL FAQs/Troubleshooting 2. Go to the Main Menu on the GT. 3. Scroll down and choose the Show Settings Option. 4. Check what the GT is showing next to Download. • Recovery: go to step 4.
GT DIESEL FAQs/Troubleshooting DPF Delete Q. Will the GT delete my DPF? A. No. Bully Dog does not offer DPF delete. Bully Dog will never offer DPF delete. Crazy Larry Q. Can I get the Crazy Larry tune on my GT? A. No. Crazy Larry is no longer available. Due to EPA regulations, it will not be offered again. I Don’t Feel Extra Power Q. Why can’t I feel the extra horse power? A. If your vehicle was just returned from the dealer, you might have forgotten to return the vehicle to stock.
