Toyota GR Yaris standalone ECUs
Toyota's all-wheel-drive homologation hatchback, launched in 2020 with the turbocharged G16E-GTS 1.6-litre three-cylinder engine.
- Chassis
- Gen 1 · Gen 2
- Years
- 2020–on
- Engines
- G16E-GTS
- Layout
- 3-cylinder, AWD
You have 4 plug-in ECU options for the Toyota GR Yaris from MoTeC and Syvecs, 2 of them direct plug-in. The cheapest complete setup is MoTeC at US$7,195 including the ECU. 63 wire-in ECUs can also run its 3-cylinder engine with a custom loom, from US$155.
Prices checked and include the ECU.
Your options for this car
New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.
Dedicated plug-in 2
Built for this car. Goes where the factory ECU was and plugs straight into the factory loom.
From US$∞ →
Standalone + adapter harness 2
A general-purpose ECU with an off-the-shelf harness that joins it to the factory ECU plug.
From US$7,195 →
Wire-in ECU 63
Any ECU with the right features, on a new or rewired loom. Best for race cars, swaps and big changes from factory.
From US$155 plus loom →
Reflash
Keep the factory ECU and rewrite its tune. Usually the cheapest, keeps every factory feature, but limited to what the factory hardware can control.
Reflash options for this car are still being checked.
Plug-in ECUs for the Toyota GR Yaris
4 options, cheapest first. Each one links to its full specs and sellers.
Toyota GR Yaris 2020 G16E M1 Kit (#11417)
M142 + adaptor box + gateway loom; paddle-shift package 23641
Syvecs Toyota Yaris GR Plug in ECU GEN2 (2024+) – MANUAL ONLY
Manual only; pre-collision/lane assist/hill hold/cruise lights unsupported; platform not stated on listing
Toyota GR Yaris 2024 G16E M1 Kit (#11420)
2024 update; Manual; adaptor box 61616 + CAN ISO gateway; optional diff loom 61618
No plug-in is listed for that chassis and year. A wire-in ECU below will still fit with a custom loom.
Wire-in ECUs that can run this engine
Cheapest current unit from each brand with at least 3 injector and ignition outputs, so it runs fully sequential.
Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price
Find a tuner for these ECUs
Shops with their own dyno that tune the brands above.
About the makers: MoTeC · Syvecs