Transtron Aurix TC265D ECU Tuning
Engine control unit used in 3 supported models from 2 makes.
Isuzu with the Transtron Aurix TC265D
All Isuzu tunes- Isuzu D-Max / Vcross2019+RG · 3.0d (4JJ3)AutoTuner
- Isuzu MU-X2020+3.0d (4JJ3)AutoTuner
Mazda with the Transtron Aurix TC265D
All Mazda tunes- Mazda BT-502020+3.0d (4JJ3)AutoTuner
About Transtron Aurix TC265D tuning
The Transtron Aurix TC265D engine control unit is supported in 3 models from Isuzu, Mazda. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.