You will need the following parts:
- HP Tuners MPVI3
- 6 Universal Credits
- SGM Bypass Cable
- 2019-2021 Cummins ECM - Part Number: 4384696
- Good Internet or you will kill your ECMs.
- TEAMVIEWER FULL CLIENT 64-BIT OR TEAMVIEWER FULL CLIENT 32-BIT
Installation Instructions:
Read these more than once before you attempt to install- failure to follow these instructions will result in a bricked ECM. We are not liable to bricked ECMs.
- Install your SGM Bypass Cable
- Plugin the MPVI3 to the OBD2 Port
- Read the Factory File and Save it
- Email the stock file and the info log to CALCOTUNINGMX@PROTON.ME
- If you need help saving your info log, please click the following link for the HP Tuners Guide: INFO LOG HELP
- We will send you a MOD File.
- After you receive our MOD file, please disconnect the batteries, install the new ECM, reconnect the batteries. DO NOT FLASH THE TRUCK.
- With the HP Tuners MPVI3 plugged in READ the NEW ECM and save the file as “1921 New ECM”.
- Now flash the “1921 NEW ECM” Read back into the truck- This will ensure the factory features function correctly.
- Once the “1921 NEW ECM” Read has been flashed into the truck you can flash the CALCO TUNING MOD FIle.
- After you have flashed the truck HP Tuners will Prompt you to turn the key off. DO NOT TURN THE KEY OFF!!!! Wait 10 Seconds and then Start the truck.
- Disconnect EGR, Throttle Valve, and Aftertreament.
HP Tuners can brick new and used ecms at random, we are not liable for failures due to the use of HP Tuners. USE AT YOUR OWN RISK. Calco Tuning S De RL De CV Is not liable for any hardware failures.