Bully Dog 40420 gauge GT tuner - Manual (Page 28)

GT
DIESEL
27
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.
• There are two locations for this link:
• Under Quick Links, on the lower right side of the home page
• Under Download, in the black toolbar on the upper right side of the home page.
5. At the bottom of the page, under the heading for MACINTOSH USERS ONLY, click the link for GT Diesel. This will allow you to
download the zipped file labeled GTDFiles.zip.
6. Find where your computer saved the file (it will most likely be in your Downloads folder).
7. Extract all the files in the GTDFiles.zip file.
8. Copy the contents of the extracted file directly onto your SD card.
9. Install the Micro SD card in your GT unit.
10. Connect your GT unit to your vehicle.
11. Choose the Update GT Software option from the Main Menu.
• If the Update GT Software option is not available:
- Choose Update GT Firmware.
OR
- Scroll to the top of the Main Menu and choose Change Vehicle, then choose your vehicle from the list.
12. Confirm that you want the GT to load the file.
13. Let the GT finish loading the file and rebooting – be sure not to disconnect it or interrupt power in any other way during this
part of the process.
The GT has now been updated!