The i30 N and i30 Fastback N came built for enthusiasts who wanted a factory performance car they could actually get into and modify. The Electronic Control Suspension that came with it is part of that package, and it becomes a problem the moment you fit aftermarket coilovers. The ECS module loses its signal and starts flagging fault codes that persist through every startup.
The KW ECS Cancellation Kit connects directly to the existing Electronic Control Suspension wiring harness and sends a simulated signal the factory module accepts as normal damper output. Warning lights clear, the fault log stays clean, and the i30 N's stability systems and traction control keep operating exactly as Hyundai set them up. No dealer visit, no module reprogramming needed.
Key Features
- Eliminates ECS fault codes when using aftermarket coilovers on the Hyundai i30 N and i30 Fastback N
- Plug-and-play design connects directly to the existing ECS wiring harness
- Simulates OEM adaptive damper signal to the factory Electronic Control Suspension module
- Preserves full stability control and traction management system operation
- Required for all aftermarket coilover installations on ECS-equipped Hyundai i30 N PD
Vehicle Fitment
Required for aftermarket coilover installations on ECS-equipped:
- Hyundai i30 N PD (2017-2020): All variants equipped with factory Electronic Control Suspension
- Hyundai i30 Fastback N PD (2017-2020): All variants equipped with factory Electronic Control Suspension
Installation Notes
Plug-and-play installation. No coding or module reprogramming required.
- Confirm your i30 N or i30 Fastback N is equipped with ECS before ordering. Verify your specific variant includes factory adaptive dampers
- Install aftermarket coilovers per manufacturer instructions
- Connect cancellation kit to existing ECS harness connectors
- Clear any stored fault codes after installation