1999-2003 Discovery II ACE ECU Active Cornering Enhancement Module

1999–2003 Land Rover Discovery II ACE ECU Active Cornering Enhancement Module – OEM Part #RQT100023

Enhance your Land Rover Discovery II’s handling and stability with this OEM Active Cornering Enhancement (ACE) ECU Module (Part #RQT100023). This genuine Land Rover electronic control unit manages the vehicle’s ACE system, automatically adjusting the suspension to reduce body roll and improve ride comfort during cornering. Designed to restore factory performance, this ECU ensures precise control and responsiveness on all terrains.

Engineered to meet original Land Rover specifications, this ACE ECU module fits a wide range of 1999–2003 Discovery II models, including Series II, SD, SE, LE, S, and HSE trims with 4.0L and 4.6L V8 engines. Whether you’re replacing a faulty module or restoring your SUV’s original handling characteristics, this genuine OEM part guarantees optimal performance and reliability.

Compatible Models: Land Rover Discovery II:

• 1999–2000 Discovery 4.0L V8 A/T 4WD Series II Sport Utility
• 2001–2002 Discovery 4.0L V8 A/T 4WD Series II SD, SE, LE Sport Utility
• 2003 Discovery 4.6L V8 A/T 4WD S, SE, HSE Sport Utility

Key Features:

• OEM Land Rover Part: RQT100023
• Controls the Active Cornering Enhancement (ACE) system
• Improves stability, handling, and cornering performance
• Designed for 4.0L and 4.6L V8 Discovery II models
• Direct plug-and-play replacement – no modifications needed
• Restores factory-level suspension dynamics and ride quality

This 1999–2003 Discovery II ACE ECU Module (RQT100023) is the perfect solution for maintaining your Land Rover’s advanced suspension system. Get back the smooth, controlled ride and confident handling your Discovery was built to deliver — with genuine OEM reliability and performance.