GM Duramax LZ0 3.0L – Power Tune (2022.5–2025)

Unlock the full potential of your LZ0 Duramax.

This Power Tune is engineered for the 2022.5–2025 Chevy Silverado, GMC Sierra, and Suburban 3.0L Duramax LZ0. Expect real-world results — more torque, sharper throttle response, improved drivability, and noticeable fuel economy gains.

Requirements (Not Included):

• HP Tuners Unlocked ECM

• HP Tuners OBD2 Device

• Windows Laptop (Windows 10+)

• HP Tuners VCM Suite Beta (latest version)

• Internet Connection

• 6 ECM Credits or 4 TCM Credits

Why Choose Our Power Tune?

• Crisper Throttle Response: Eliminates dead pedal delay for immediate driver input translation.

• Optimized Torque Delivery: Earlier torque across all tune levels for smoother shifts and towing efficiency.

• Transmission Recalibration: Improved lock-up, reduced lag, better shift timing — OEM feel, but better.

• Fuel Economy Gains: Calibrated injection, timing, and VGT for more miles per gallon without sacrificing power.

• Safe & Reliable: OEM safety strategies are retained and recalibrated — no risky shortcuts.

• Smart Limit Removal: Only safe limiters are removed, keeping your truck strong and dependable.

• Custom Tire/Gear Support: Transmission calibration tailored for your setup.

Product Features:

• Fits 2022.5–2025 GM 3.0L Duramax LZ0 (Chevy Silverado, GMC Sierra, Suburban)

• Matched ECM & TCM tuning for optimal reliability and drivability

• Earlier torque converter lockup to reduce trans temps and boost efficiency

• Removed downshift lag for faster acceleration response

• Improved shift logic for confident low-RPM performance

• Exhaust brake memory retained at max power

• Auto Start/Stop disabled for consistent driving

Tune Levels:

• Stock Optimized (+0 HP): Smoother driving, better throttle, improved efficiency.

• Heavy Tow (+12 HP): Optimized for hauling; reduces strain and improves torque delivery.

• Light Tow (+24 HP): Stronger mid-range for smaller trailers or gear loads.

• Sport (+36 HP): Crisp and responsive for spirited daily driving.

• Performance (+48 HP): Strong daily driver power with a sharp edge.

• Race (+60 HP): Aggressive tuning for stock turbo & fuel system.

• SOTF (Switch-On-The-Fly 0–60 HP): Change power levels instantly.

Important Notes:

• Tune file only – devices and credits sold separately.

• ECM requires 6 credits; TCM requires 4 credits.

• For off-road use only — check local laws before purchasing.

• All sales are final — confirm vehicle and tuning setup before ordering.

• Vehicle must be tuned before emissions system removal.

Order Now – Drive Better.

Don’t let factory settings hold your truck back. The LZ0 Power Tune Package delivers the performance, drivability, and efficiency your Duramax should have had from the start.