Chevrolet 3.0 Duramax (LM2) Tuning

Supported in 3 Chevrolet models, 2019+.

Chevrolet

3 supported 3.0 Duramax (LM2) applications

Models With the Chevrolet 3.0 Duramax (LM2)

All Supported Chevrolet 3.0 Duramax (LM2) Tunes

Supported Chevrolet 3.0 Duramax (LM2) applications
Silverado2019+GMT T1XX277 hpTCU Bosch T93AutoTuner
Suburban2021+277 hpTCU Bosch T93AutoTuner
Tahoe2021+277 hpTCU Bosch T93AutoTuner

About Chevrolet 3.0 Duramax (LM2) tuning

We tune the Chevrolet 3.0 Duramax (LM2) in 3 applications across the Silverado, Suburban, Tahoe, from 2019+, in diesel form, with stock outputs of 277 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.

This engine runs on: Bosch T93.

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.