Valeo V46.21 ECU Tuning
Engine control unit used in 4 supported models from 2 makes.
Citroen with the Valeo V46.21
All Citroen tunes- Citroen C-Elysée2012+1.6 VTIAutoTuner
Peugeot with the Valeo V46.21
All Peugeot tunes- Peugeot 2082015+1.6 VTIAutoTuner
- Peugeot 3012012+1.6 VTIAutoTuner
- Peugeot 20082013+1.6 VTIAutoTuner
About Valeo V46.21 tuning
The Valeo V46.21 engine control unit is supported in 4 models from Citroen, Peugeot. 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.