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

Unleash your LZ0 Duramax’s full potential with our Power Tune — designed specifically for the 2022.5–2025 Chevy Silverado, GMC Sierra, and Suburban 3.0L Duramax LZ0. This is precision tuning for real-world results: more torque, better throttle response, improved drivability, and fuel economy you can feel.

Why Choose This Tune?

The Power Tune Package for LZ0 offers unmatched refinement and performance:

• Crisper Throttle Response: Eliminate dead pedal delay and wake up your truck with sharper driver input translation.
• Optimized Torque Delivery: Get torque earlier across all tune levels — resulting in smoother shifts and greater efficiency while towing or cruising.
• Transmission Recalibrated: Earlier lock-up, reduced lag, better shift timing. Feels OEM — just better.
• Real Fuel Economy Gains: Intelligent calibration of injection events, timing, and VGT delivers more miles per gallon without sacrificing power.
• Safe & Reliable: We retain and recalibrate OEM safety strategies to protect your drivetrain at every power level. No shortcuts. No surprises.
• Smart Limit Removal: Only the safe limiters are removed — keeping your truck efficient, strong, and dependable.
• Custom Tire + Gear Support: Running larger tires or changed gearing? We tailor the transmission calibration to your setup.

Install Instructions

This product requires the following items:

• Windows Laptop (Windows 10+)
• HP Tuners VCM Suite Beta (latest version)
• Internet Connection
• Unlocked ECM
• OBD2 Device
• 6 ECM Credits or 4 TCM Credits

View the full OBD2 flash process by clicking here.

 This product requires an HP Unlocked ECM and OBD2 Device. These items are not included and must be purchased separately.

Product Features:

• Compatible with 2022.5–2025 GM 3.0L Duramax LZ0 equipped vehicles: Chevy Silverado, GMC Sierra, Suburban.
• ECM & TCM Matched: Engine and transmission calibrations are designed to work in sync — essential for reliability and driveability.
• Earlier Converter Lockup: Reduces transmission temps and maximizes torque usage at lower RPMs.
• Downshift Lag Removed: Calibrated for quicker acceleration response when towing or cruising.
• Improved Shift Logic: Say goodbye to lazy low-RPM driving — tuning is refined for confidence at any load.
• Exhaust Brake Memory: Maximized exhaust braking power and memory settings retained.
• No More Auto Start/Stop: Removed idle timers and auto start/stop for a more predictable driving experience.

Tune Levels:

• Stock Optimized (+0 HP): Refined stock file with no added power — just smoother driving, better throttle, and improved efficiency.
• Heavy Tow (+12 HP): Ideal for hauling weight. Earlier torque and optimized shifts reduce strain.
• Light Tow (+24 HP): Better mid-range pull with balance. Perfect for smaller trailers or gear loads.
• Sport (+36 HP): Crisp and responsive. Great for spirited daily driving without going overboard.
• Performance (+48 HP): For those who want a strong daily with bite. Reliable and snappy.
• Race (+60 HP): The most aggressive file we offer for stock turbo & fuel system.
• SOTF (Switch On The Fly – 0-60 HP): Seamlessly switch between power levels.

Important Notes:

• This is a tune file only – requires HP Tuners MPVI device and credits, sold separately.
• ECM requires 6 credits; TCM requires 4 credits.
• This product is intended for off-road use only. Check local laws before purchase.
• All sales are final. Please verify your vehicle and tuning setup before placing your order.

Order Now. Drive Better.

Don’t settle for factory limitations. The LZ0 Power Tune Package unlocks hidden performance, improves drivability, and gives your truck the power it should’ve come with from the factory. Have questions? Contact us before purchasing — we’re here to help.