Installing A New Unlocked TCM
ECM/TCM Swap Instructions
Follow these steps to swap an ECM or TCM. This process transfers essential data from the stock TCM to the new one but does not alter the software or segment versions on the new TCM.
Note: Although we mention TCM, use the same process for ECM swaps by selecting ECM instead of TCM.
Connect VCM Scanner with stock TCM installed
a. Go to "Vehicle Controls & Special Functions"
b. Click "Replace TCM" (under System → General)
c. Follow prompts to complete stock TCM process
Replace stock TCM with HP Tuners unlocked unit
Connect VCM Scanner with unlocked TCM installed
a. Go to "Vehicle Controls & Special Functions"
b. Click "Replace TCM" (under System → General)
c. Follow prompts for unlocked TCM process
Download TCM read from unlocked unit and save info log
Send us the TCM read and info log
⚠️ Important Notice:
Depending on the software or segment version on the unlocked TCM, the truck may have shifting issues. Take a short test drive (around the block or driveway). If you notice rough shifting, follow these steps:
- Reinstall factory TCM until you receive our TCM tune
- If no issues, unlocked TCM can remain installed