Honda S2000 standalone ECUs
Honda's rear-wheel-drive roadster, sold from 1999 to 2009 with the high-revving F20C and later F22C1 four-cylinder engines.
- Chassis
- AP1 · AP2
- Years
- 1999–2005
- Engines
- F20C / F22C1 · F22C1 · F20C/F22C · F20C
- Layout
- 4-cylinder, RWD
You have 5 plug-in ECU options for the Honda S2000 from Link, Haltech and AEM, 1 of them direct plug-in. The cheapest complete setup is Link at US$1,735 including the ECU. 63 wire-in ECUs can also run its 4-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 1
Built for this car. Goes where the factory ECU was and plugs straight into the factory loom.
From US$1,735 →
Standalone + adapter harness 4
A general-purpose ECU with an off-the-shelf harness that joins it to the factory ECU plug.
From US$2,120 →
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 Honda S2000
5 options, cheapest first. Each one links to its full specs and sellers.
S2000X Plug-In ECU (Honda S2000 AP1)
Manual only; non E-throttle cars only; CANJST4 cable for CAN Early AP2 without E-throttle only; Manual only; non E-throttle cars only; CANJST4 cable for CAN
HT-150962 Elite 1500 + Plug'n'Play Adaptor Harness Kit for Honda S2000
Non-DBW, manual only; no immobiliser/K-line
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 4 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: Link · Haltech · AEM