Duramax
2007.5–2010 GM Duramax LMM ECM Repair & Upgrade Service
$400
Fitment: 2007.5 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LMM; 2007.5 GMC Sierra 2500HD & 3500 6.6L Duramax LMM; 2008 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LMM; 2008 GMC Sierra 2500HD & 3500 6.6L Duramax LMM; 2009 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LMM; 2009 GMC Sierra 2500HD & 3500 6.6L Duramax LMM; 2010 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LMM; 2010 GMC Sierra 2500HD & 3500 6.6L Duramax LMM
Having issues with your 2007.5–2010 GM Duramax LMM ECM? Instead of replacing your original module, let us professionally diagnose, repair, and upgrade it. Our repair service addresses common failure points while reinforcing known weak areas to maximize long-term reliability. Every ECM is thoroughly inspected, professionally repaired, and fully bench tested before being returned. Standard ECM Repair & Upgrade Includes Complete diagnostic inspection Repair of common failure points Upgrades to known weak areas where applicable High-quality replacement components as needed Full bench testing before shipment 1-Year Warranty on completed repairs Optional Upgrades Sandblast & Paint – +$50 Choose from: 🔴 Red ⚫ Black 🔵 Blue ⚪ OEM Silver This service removes corrosion and oxidation while giving your ECM a clean, professional, retail-ready appearance. Please allow an additional 24–48 hours for turnaround in some cases. Additional Repair Information Most LMM ECMs qualify for our standard repair service. In rare cases, an ECM may have severe circuit board damage, burnt components, water intrusion, corrosion, or other issues that require additional parts or labor. Any additional charges are uncommon and will always be approved by you first. I can provide clear photos to justify any extra work. I only charge more when absolutely necessary. If your ECM is determined to be beyond repair, we will contact you before any additional work is performed to discuss your replacement options. Note: Please package your ECM securely for shipping and include your contact information along with a description of the issue you are experiencing.
Delete kits and emissions-related components are sold for off-road and competition use only. See our terms for details.