
Table of Contents
Step 1…………………………………………...…...…How to unlock the PCM
Step 2……………………………………..How to install tunes onto your truck
Step 1
**Refer to your Bully dog GT- Part #40420 for unlocking the PCM**
Step 2
AutoCal Install Instructions
1. Plug the AutoCal into the truck’s OBDII using supplied cables.
2. Turn the key to the “RUN” position, do not start the truck.
3. Toggle down using the right (skull) button until you see “Tuning Tool”.
Press the “OK” button (skull) in the center of the AutoCal.
4. Toggle down to “Program Full” press “OK”
5. Toggle down to your CSP4 or Single tune and press “OK”.
6. It will ask if you want to “LICENSES ECU NOW” press “OK”
7. It will now ask “Are you sure” press “OK”
8. The screen will say “Checking 0 - 100%” Followed by “Erasing…
Flashing” with a percentage % below it. This process take approximately 13
minutes.
9. When the flashing has finished, the AutoCal will prompt you to turn the
“ignition off now!” Turn the key off and press “OK”. Once the countdown has
completed you have now successfully loaded your new tune onto your truck,
you may turn the key to the run position and start the truck!