GM E41 ECM Services (L5P)

VIN is required for this service Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning! Choose one of three options to upgrade your L5P E41 ECM for tuning: Purchase, Exchange, or Upgrade. Shipping address for ECM Exchanges and Upgrades: HP Tuners (ATT: L5P ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089 ECMs with broken “LOCKING” tabs or connectors WILL NOT be accepted for Upgrades and Exchanges. See instructional videos! The L5P ECM Service from HP Tuners gives you the power to tune your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax. Take advantage of any of our three available options to calibrate, log, and scan via your vehicle’s OBDII port. With any choice, you receive an E41 ECM that is compatible with the MPVI3 and VCM Suite. Purchase a new ECM from HP Tuners and keep your original. Ideal for enthusiasts who want their vehicles up and running as quickly as possible. NOTE: No core needed. New ECM Purchase: $14