COBB Accessport V3 | 2024-2026 Lexus GX 550 AT USDM | AP3-TOY-006
This product is currently out of stock at StraightSixImports and must be brought in from the manufacturer. If you're working under a specific timeline, please contact us before ordering to confirm lead time and availability.
COBB Accessport V3 – 2024–2026 Lexus GX 550 AT USDM
Unlock the full potential of your Lexus GX 550's twin-turbocharged V6 with the COBB Accessport V3. The world's best-selling performance handheld ECU calibration tool, the Accessport lets you load off-the-shelf (OTS) or custom tune maps directly to your GX 550's ECU — improving power delivery, throttle response, and overall drivability without permanent modification. Specifically calibrated for the 2024–2026 Lexus GX 550 with automatic transmission (USDM), the AP3-TOY-006 is the essential first step for any GX 550 performance build.
With a touchscreen interface, real-time data monitoring, and multi-map storage, the Accessport doubles as a powerful diagnostic tool — giving you complete visibility into your GX 550's engine parameters at all times.
Key Features
- Off-the-Shelf (OTS) Maps Included: Comes preloaded with COBB-developed OTS maps optimized for common bolt-on modifications — no custom tune required to start making gains
- Custom Tune Compatible: Works with any COBB-authorized ProTuner for a fully custom ECU calibration tailored to your specific build and fuel
- Real-Time Data Monitoring: Monitor live engine parameters including boost, AFR, knock, throttle position, and more directly on the Accessport screen
- Multiple Map Storage: Store and switch between multiple maps on the fly — ideal for different fuel types or power levels
- Fault Code Reading & Clearing: Read and clear OBD-II diagnostic trouble codes without a separate scan tool
- Returnable to Stock: Restore your GX 550's ECU to factory calibration at any time — no trace left behind for dealership visits or resale
- Free OTS Map Updates: Lifetime free OTS map updates as COBB refines calibrations for the GX 550 platform
Specifications
- Type: Handheld ECU Calibration Tool (Accessport V3)
- Fitment: 2024–2026 Lexus GX 550 AT USDM
- Engine: Twin-Turbocharged V6
- Transmission: Automatic (AT)
- Market: USDM
- Part Number: AP3-TOY-006
Note: This Accessport is specific to the 2024–2026 Lexus GX 550 with automatic transmission, USDM spec. Verify your vehicle's configuration before ordering. Not compatible with other GX generations or non-USDM variants.