ECM Connectors must not be damaged or broken. If they are you will be charged return shipping.
HP Tuners exclusively presents our L5P Modified ECM Purchase & ECM Exchange Service, giving you the power to tune your 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax. You now also have the option to either purchase a new HP Tuners Modified ECM or send us your original ECM and we will exchange it for a HP Tuners modified one. Both options give you full access to calibrate, log and scan via the OBD2 port with your MPVI2 and VCM Suite 4.3+!
L5P Exchange Service
Select this option to send us your original ECM and we will Exchange it for an already modified ECM. Remember, you MUST send us your ECM first!
- ECM Exchange Service:
- (send in a core, receive a modified core back)
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.
Exchange Requirements
When you send in the ECM, you MUST include the following:
- 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
If the information above is not provided with the ECM, it may delay the ECM exchange process while the missing information is acquired. Please ensure your follow both the above instructions when placing your order and review the installation instructions here.
The default shipping added with the exchange service is UPS ground, however expedited shipping is available via the checkout process.
NOTE: Note this ECM exchange service is completed at the owners risk, HP Tuners will not be responsible for the vehicle, its power-train or electronics, nor how the ECM is used, calibrated and its functionality. Should you experience any issues with your ECM, please contact support@hptuners.com for assistance and how to proceed.
A reminder that your ECM will not be returned to you, this service is an “exchange” and you will receive another modified ECM in its place. There is no outright purchase option available at this time.