Duramax

2017–2023 GM Duramax L5P E41 ECM Bench Unlock Service

$200

Fitment: 2017 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2017 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2018 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2018 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2019 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2019 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2020 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2020 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2021 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2021 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2022 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2022 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P; 2023 Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax L5P; 2023 GMC Sierra 2500HD & 3500HD 6.6L Duramax L5P

Unlock your 2017–2023 GM Duramax L5P E41 ECM with our professional bench unlock service. This service removes the factory tuning restrictions, allowing your ECM to accept compatible custom calibrations from supported tuning platforms. Each ECM is carefully bench unlocked using professional equipment and thoroughly verified before being returned. Service Includes Professional bench unlock of your factory E41 ECM Communication verification after unlock Fast turnaround OEM ECM returned to you Ready for compatible custom tuning platforms Important Information This is a bench unlock service. Your OEM ECM must be removed and shipped to us. Please package your ECM securely to prevent shipping damage. Include your contact information and vehicle VIN with your shipment. Turnaround begins once your ECM arrives at our facility. Note: This service unlocks the ECM for use with compatible tuning software. It does not include custom tuning or calibration files unless purchased as part of a bench tune package.

Delete kits and emissions-related components are sold for off-road and competition use only. See our terms for details.