HP TunersModified ECM Exchange Service | HPTECM-00-L5P | 2017+ Chevy/GMC Duramax L5P

HP Tuners exclusively presents our L5P Modified ECM Exchange Service, giving you the power to tune your 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax. Send us your original ECM and we will Exchange it for an already modified ECM. Remember, you MUST send us your ECM first!

Please Note:
Once you have placed your order and provided your VIN, you must send us your original ECM first. Your ECM must be in functional, original, unopened and unmodified condition. You will not receive this same ECM back as this is an exchange service only. The ECM you receive has been modified to enable tuning.

Notes Before You Order:

• Your modified or exchanged L5P ECM can only be tuned via the OBD2 port with HP Tuners VCM Suite 4.3+ and an MPVI2.
• To tune your L5P ECM you require 10 Universal Credits, an MPVI2 with the latest firmware, the latest version of VCM Suite and an internet connection.
• No other tuning or calibration tools can be used with the ECM (including dealer reflash tools).
• VCM Scanner, dealer diagnostic and other diagnostic tools will continue to function normally.
• VCM Suite 4.3+ can be used to return to stock calibration and/or update to the latest stock calibration.
• Vehicle Anti-Theft System relearn by a dealer tool is required once the ECM is returned to the vehicle.
• Please also allow at least 3 business days for this exchange service not including shipping times.
• ECM (E41) License: 10 Universal Credits

Exchange Requirements:

• Provide your VIN in the cell above
• Perform the Replace ECM Function in VCM Scanner for the stock ECM
• Customer Name
• Customer Address
• Customer Contact Information (E-mail and Phone)
• L5P ECM Exchange Service Order #
• If you are also providing your TCM (T87a) for unlock, please also provide your order number
• Whether the ECM is the original from the vehicle or a new spare ECM
• Vehicle Information (Year/Make/Model)
• Preferred UPS shipping method

Send ECM to