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How to flash your 2.8L LWN Duramax
- In order to install your tune, you will need the following items: SPADE, and OBD2 cable.
Tune Installation:
1. Turn the key to the run position (truck not running).
2. Plug the SPADE into your truck using the OBD cable.
3. Toggle down to Tuning Tool, press ✔️.
4. Toggle to Program Full, press ✔️. (If you are flashing your 2022 TCM you will hit Program Calibration)
5. Toggle down through the tune files to the tune you’d like to load, press ✔️.
6. The SPADE will check to make sure the ECM/TCM is available for flashing.
7. Your SPADE will ask you “License ECU?”. Press ✔️, and when you are asked “Are you sure?” Press ✔️ again.
9. The SPADE will begin flashing. You will see messages such as “checking, erasing, and flashing” This is normal.
10. Once the flash is complete the SPADE will display “Turn ignition off now”. Turn the key into the off position, and press ✔️.
11. You will see a count down. Once the countdown is complete, you can proceed to flash the other module or can unplug the SPADE and start your vehicle.
Your tunes are in the following positions:
1. Optimized Stock
2. Tow
4. Street (daily driver)
5. Sport (Max Effort)
Useful Links:
Moving files between your spade and windows computer
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