2017-2023 Duramax 6.6L L5P [HP Tuners Tuning]
Amplify your 2017+ Duramax L5P's performance with HP Tuners Tuning from Tuner Depot. Discover the edge that expert tuning can bring to your ride.
[INSTRUCTIONS] How to Swap a NEW unlocked ECM - L5P AIO Delete Kit w/ ECM
(YOU DO NOT NEED THE TDN APP, FOLLOW THE INSTRUCTIONS BELOW). Start with all emissions installed and functioning without codes or error messages. Be sure the DEF level is not low. On 17-19 model years you must make sure the soot levels are below 70%
[INSTRUCTIONS] How to unlock & Tune your FACTORY ECM - L5P AIO Delete Kit
Use the guides below to complete the read and write process needed for tuning. Helpful Tips:. Everything you need to know about HP Tuner's ECM. How to obtain Info Log. How to use the SOTF function
What do I need to delete my L5P Duramax?
Buy Duramax L5P All in one Delete Kit. We’ve bundled everything you need into one complete package, including all EGR removal components, the CAT delete pipe/exhaust, and a tuner loaded with custom tune files specifically for your truck. Simply click
Installing A New Unlocked TCM
Follow these instructions to perform an ECM or TCM swap. This will copy critical data over from the stock TCM to the new one, it will not change the software or segment versions on the new TCM. We will be referring to the TCM here but you will follow
CAN Plug Information
The L5P CAN plugs are used to keep the CAN network functional after removing the emissions equipment. These CAN plugs use very thin terminals to match the factory harness and require extreme care to be taken when installing them. Any time the CAN pl