Duramax LML (2011–2014) – CTZ Tuning Files Package

Duramax LML (2011–2014) – CTZ Tuning Files Package

Comprehensive CTZ tuning file collection for Duramax LML engines (2011–2014). Includes 100+ calibration files covering stock, tow, performance, SOTF, DSP5, manual T-case, cab-chassis, van, shuttle bus, and more configurations.

Coverage

• 2011–2014 LML Duramax — all major configurations
• Single and dual tank variants
• Manual T-case variants
• DSP5 switch variants
• Shift-on-the-Fly (SOTF) variants
• Cab-chassis, van, shuttle bus, ambulance variants
• HP levels: Stock, 20HP, 30HP, 40HP, 50HP, 60HP, 70HP, 100HP, 150HP, 160HP
• Compatible with CP3 and CP4 pump conversions

Files only — no additional instructions included.

⚠️ Make sure you understand this job before purchasing.

⚠️ Important Notice – Legal Use Only
This product is intended strictly for off-road, motorsport, and non-emissions-regulated applications only. By purchasing this product, you confirm compliance with all applicable local, state, and federal emissions laws and regulations. Diezeltuner is not responsible for any misuse of this product.

Instant download after payment — high-speed download link provided.