HP Tuners Model ECM-00-E46-U

HPT GM E46 Non-Global B ECM Upgrade (*Original ECM Required*)

HP Tuners is thrilled to now offer industry-exclusive custom tuning support for the E46 ECM found in 2020-2022 Chevrolet Silverado 1500/GMC Sierra 1500 3.0L Duramax (LM2) trucks (non-Global B vehicles). The E46 ECM must be upgraded in order to use VCM Editor for tuning.

Own a 2020+ GM vehicle and need the T93 TCM unlocked, too? See our T93 TCM Services!

Shipping address for send-in E46 ECM services: HP Tuners (ATT: E46 ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089. Please respond to your order confirmation email with your tracking number once mailed.