HP Tuners E46 ECM Upgrade Service for 2020-2022 Silverado/Sierra 3.0L Duramax 1500 - ECM-00-E46-U

Key Features & Specs:

• Brand: HP Tuners
• Part Number: ECM-00-E46-U
• Product Type: ECM Upgrade Service
• ECM Type: GM E46 ECM
• Engine Compatibility: 3.0L Duramax LM2
• Service Type: One-time ECM upgrade to enable tuning
• Installation Requirement: OEM ECM must be removed and sent in for service
• Reprogramming Required After Install: No
• Relearn Procedures Required: No
• Important Note: ECM must be reinstalled into the original vehicle it was removed from

Fitment:

• 2020-2022 Chevrolet Silverado 1500 3.0L Duramax LM2
• 2020-2022 GMC Sierra 1500 3.0L Duramax LM2

The HP Tuners E46 ECM Upgrade Service ECM-00-E46-U enables tuning access for GM vehicles equipped with the E46 ECM used in 3.0L Duramax LM2 applications. This is a required one-time service that modifies the factory ECM to allow tuning with HP Tuners software. The original ECM must be removed from the vehicle and sent in for the upgrade. After the upgrade is completed and the ECM is reinstalled in the original vehicle, no additional reprogramming or relearn procedures are required, allowing a streamlined process for unlocking ECM tuning capabilities.