The E90 Unlocking Service allows you to tune your engine on various 2019+ GM vehicles equipped with an L84 or L87 engine. By using this unlocking service, you will be able to use tuning softwares such as HPtuners to make modifications to your E90 tune.

There are three options available:

1. Ship in your original E90 to be unlocked and sent back (Usually processed within 2business days of receiving). You will not need to do Immobilizer learn or any other programming.
2. Outright purchase of a second hand E90 that comes unlocked and ready for tuning (Immobilizer security linking is required).
3. Outright purchase of a new E90 that comes unlocked and ready for tuning (Immobilizer security linking is required).

E90 ECM vehicle support includes, but is not limited to:

• 2019-2022 Chevrolet Silverado
• 2019-2022 GMC Sierra, 5.3L & 6.2L V8 (L84/L87)

*Note – Global B not supported.

For E93 Unlocking service, please see our E93 unlocking product page, E93 vehicles include:

• 2020-2023 Chevrolet Silverado
• 2020-2023 GMC Sierra, 6.6L (L8T)
• 2021.5 Chevrolet Silverado
• 2021.5 GMC Sierra 1500 5.3L