ECU communication - AP Tuning

Lexus Tuning

ECU‑To‑TCU Communication: Eliminating Shift Lag in Lexus Automatics

improved automatic transmission communication

The key to eliminating shift lag in Lexus automatics lies in optimizing ECU-to-TCU communication, and here’s how you can achieve seamless gear changes.

Alex Parker
September 18, 2025

View Post

AP Tuning may contain links to third-party websites and recommendations for partner services. These links and recommendations are provided for your convenience and do not signify that we endorse the websites or services. We have no control over the content, practices, or policies of these third-party sites and services, and we are not responsible for any interactions you may have with them. It is your responsibility to perform due diligence before engaging with any third-party service provider.