Description This tuning package is a great fit for GM vehicles from 2017 to 2023 with a 6.6L Duramax L5P engine and an Allison Transmission (T87 or T93 TCM). It's an upgrade for your existing CCS Tuning. The package includes a physical T87 or T93 TCM and 4 credits. What's in the box: - TCM Tuning: Enhance your transmission's performance. - T87 or T93 TCM: A key component for better drivability. - 4 Credits: For additional tuning options. The CCS TCM Tuning allows you to upgrade your existing tuning by adding transmission tuning. It can significantly improve the drivability of your Allison by adjusting shift points, line pressure, and increasing the holding capacity.

Using this TCM tuning package is straightforward. First, make sure your vehicle is a 2017 - 2023 GM with a 6.6L Duramax L5P engine and an Allison Transmission (T87 or T93 TCM). Then, follow the included instructions to install the T87 or T93 TCM. The 4 credits can be used for further tuning as per your needs. When it comes to maintenance, keep an eye on the transmission fluid levels regularly. If you notice any strange noises or changes in the shifting performance, it's a good idea to have your vehicle checked by a professional. Also, always follow the recommended service intervals for your vehicle. And remember, this is an upgrade to your existing CCS Tuning, so make sure to back up any important tuning data before installation.