3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87)
Chevrolet Suburban OBD Unlock Patch
ECU access only. Performance tuning is sold separately.
Model years2021-2026
ECU identifiers3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87)
PlatformNot listed
ServiceRequest OBD unlock patch
Chevrolet Suburban OBD unlock patches
2026 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch
2025 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch
2024 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch
2023 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch
2022 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch
2021 Chevrolet Suburban TCU OBD Unlock Patch
3.0 Duramax (LM2) / 5.3i V8 (L84) / 6.2i V8 (L87) · AutoTuner Bench Patch