ICON Vehicle Dynamics Intelligent Control Install Kit for 2024-2026 Lexus GX550

The ICON Intelligent Control (IIC) Install Kit fits 2024–2026 Lexus GX550 vehicles equipped with compatible CDEV shocks and provides the onboard computer, application-specific mounting brackets, wiring harnesses, and hardware needed to enable real-time electronic damping adjustment. The IIC is not compatible with Adaptive Variable Suspension (AVS) equipped GX550 vehicles, and CDEV front and rear shocks must be purchased separately before this kit can function.

Shipping: ICON parts ship direct from ICON Vehicle Dynamics, mostly by UPS Ground. Lead times vary by part and some items are built to order, so please allow extra time. We email tracking as soon as your order ships.

Real-Time Damping at Over 1,000 Readings Per Second

The IIC unit houses a G-force sensor and gyroscope that sample vehicle movement and chassis position continuously. At a processing rate of over 1,000 times per second, the IIC runs those inputs through custom algorithms and any user-defined settings, then sends damping commands to the Compression Damping Electronic Valve (CDEV) inside the shocks. The CDEV responds in under 40 milliseconds, reacting to terrain changes as the chassis moves through them. For a GX550 driven on mixed terrain, that speed means the suspension is adjusting to conditions rather than simply absorbing them after the fact.

In-Cabin and In-App Control Without Stopping

The IIC connects to ICON's mobile app over Bluetooth, giving the driver access to baseline firmness settings, vertical G-Boost sensitivity, and lateral Corner Boost sensitivity from an iOS device. Three preconfigured Drive Modes (Normal, Desert, and Haul) cover the most common use cases without any setup. Drivers who want more control can build and save an unlimited number of custom presets. Because adjustments happen through the app rather than a physical knob, settings can be changed without leaving the vehicle or pulling over.

Application-Specific Hardware for a Clean Install

The kit includes mounting brackets, hardware, and wire harnesses engineered specifically for the 2024–2026 GX550 chassis. Routing and bracket placement are designed to produce a factory-looking result rather than a generic aftermarket installation. The IIC also functions as a data logger, recording time, speed, distance, and G-force data from each trip through the app.

Features

• G-force sensor and gyroscope: onboard sensors monitor chassis movement and wheel position continuously
• Sub-40ms CDEV response: damping adjustments reach the shock absorbers in under 40 milliseconds
• iOS app control: Bluetooth connection to ICON's IIC app for firmness, G-Boost, and Corner Boost adjustment
• Drive Modes: Normal, Desert, and Haul presets included; unlimited custom presets supported
• Trip data logging: records time, speed, distance, and G-force data through the app
• Application-specific hardware: GX550-specific mounting brackets, wire harnesses, and fasteners included

Specifications

Who This Is For and Isn't

The ICON IIC Install Kit is for 2024–2026 Lexus GX550 owners who have already installed, or are simultaneously installing, ICON CDEV-equipped front and rear shocks and want active electronic damping control managed from an iOS device. GX550 Overtrail and Overtrail+ owners require CDEV front coilovers (Part #58790E) and CDEV rear shocks (Part #57870EP) specifically; all other GX550 submodels share this same requirement.

The IIC Install Kit does not fit GX550 vehicles equipped with the factory Adaptive Variable Suspension (AVS) system. CDEV shocks are required separately and are not included in this kit. The IIC app requires an iOS device; Android is not supported.

Common Questions

Do the CDEV shocks come with this kit?

No. The ICON IIC Install Kit (SKU 53512) includes the IIC control unit, mounting brackets, wire harnesses, and hardware only. Compatible CDEV front and rear shock absorbers are required for the system to function and must be purchased separately. For most 2024–2026 GX550 submodels, ICON specifies Part #58790E (front coilovers) and Part #57870EP (rear shocks).

Is this kit compatible with my GX550 if it has the factory Adaptive Variable Suspension?

No. The ICON Intelligent Control Install Kit is not compatible with 2024–2026 Lexus GX550 vehicles equipped with the factory Adaptive Variable Suspension (AVS) system. Buyers should confirm whether their GX550 trim includes AVS before ordering this kit.

What does the IIC app require to operate?

The ICON IIC app connects to the control unit via Bluetooth and requires an iOS device to operate. Android devices are not supported. Through the app, drivers can adjust baseline firmness, G-Boost and Corner Boost sensitivity, select from Normal, Desert, and Haul Drive Modes, create custom presets, and review logged trip data including time, speed, distance, and G-force.

Can damping settings be changed while driving?

Yes. The ICON Intelligent Control system is designed to allow baseline damping adjustments and Drive Mode changes through the iOS app without requiring the driver to exit the vehicle. Active damping adjustments from the IIC's onboard sensors happen automatically and continuously at over 1,000 samples per second, independent of any manual input.

Does this product carry a California Proposition 65 warning?

Yes. This product contains chemicals known to the State of California to cause cancer, birth anomalies, or other reproductive harm (Proposition 65).