3rd Gen Toyota Tacoma 3.5L OTT Tuned ECU (2016–2023) | Performance ECU Upgrade

3rd Generation Toyota Tacoma OTT Tuned ECU (2016–2023)

Transform the drivability of your 3rd Gen Toyota Tacoma (3.5L V6) with a professionally Overland Tailor Tuned ECU by Big Dawgs Toyota Tuning.

This upgraded ECU tuned with the latest 9.2 calibration from OTT eliminates factory throttle lag, improves automatic transmission behavior, and delivers smoother, more responsive power throughout the RPM range.

Designed specifically for 2016–2023 Toyota Tacoma models, this tune enhances daily driving, towing, and off-road performance.

ECUs are year & drivetrain specific. They not interchangeable. Please double-check that you select the correct model year for your vehicle before ordering.

You’ll remove your factory ECU and install the tuned unit using the included step-by-step instructions. No additional tuning or programming required.

A core charge applies at checkout and will be fully refunded once we receive your original (stock) ECU & verify its working condition.

Once purchased, you will receive an email requesting details about your truck. It is pertinent you respond with the information requested. 

Warning! Installation of this ECU incorrectly may result in ECU/TCU failure. Please contact Big Dawgs Toyota Tuning if you have any questions.