COBB Accessport V3 with TCM Tuning for Nissan GT-R

The COBB Accessport V3 is the most flexible and powerful ECU and TCM tuning solution available for the Nissan GT-R. With its large full-color high-resolution display, customizable multi-gauge layouts, and real-time monitoring of up to six parameters, the Accessport transforms both drivability and performance. Choose race, street, or dyno gauge clusters, customize bezels, and mount the Accessport exactly where you want it.

Beneath the sleek interface is serious capability: increased processing power, more memory, and faster flash times. Store your maps, logs, and performance data all in one place. This is your new Accessport — the last tuning device your GT-R will ever need.

Why Choose COBB?

The COBB Accessport is the world’s best-selling ECU and TCM tuning device for the GT-R. By replacing conservative factory mapping with optimized COBB calibrations, the Accessport unlocks sharper throttle response, greater torque, and dramatically improved shift behavior. Follow COBB’s staged OTS upgrade path or use custom maps for higher-power builds. Whether stock or fully modified, the Accessport adapts to your GT-R’s needs.

Features

• Large full-color high-resolution display
• Customizable multi-gauge display layouts
• In-vehicle mount with integrated on/off switch
• Fast, user-friendly interface
• Interchangeable faceplates

Details

• Simple installation with included components
• On-screen vehicle identification and map selection
• Easy uninstall restores ECU to exact OEM settings
• Read and clear engine trouble codes
• Store up to 100 OTS or custom maps
• Use as a gauge to monitor boost and other live parameters
• Data logging of multiple channels simultaneously (up to 10 hours)
• Performance testing: 0-60, ¼-mile ET and trap speed, 60-ft times
• Customizable shift-light RPM warnings
• Use AP Manager on Mac/PC to manage maps and logs

Nissan-Specific Features

• COBB Adjustable Traction Control with on-the-fly slip target adjustments
• COBB Adjustable Launch Control to optimize launch RPM
• COBB Boost Gauge wrap-around for boost beyond OEM display limits
• COBB Boost Off The Line for pre-spooling turbos during launch
• COBB Knock Indicator for real-time knock monitoring
• COBB On-The-Fly Map Switching for dynamic tuning changes
• COBB Real-Time Tuning for immediate calibration changes
• COBB Rolling Boost for roll-race spool-up
• COBB Speed Density Tuning for high-horsepower builds
• COBB Fast ECU Flashing — map changes in 40 seconds or less
• TCM Flashing for enhanced shift performance and clutch behavior
• TCM Adjustments: clutch touch points, torque capacity, gear learning
• TCM Logging to diagnose and refine transmission performance
• TPMS Learning for new wheels/tires
• Bank Air Learn for rebalancing airflow between intake manifolds

Key Benefits

• Unlocks significant performance gains in both ECU and TCM behavior
• Sharper shifts, faster launches, and improved drivability
• Supports high-power builds with advanced features like Speed Density
• Allows real-time parameter adjustments and on-the-fly map switching
• Provides deep data logging and diagnostic capability
• Enhances traction, launch control, and boost control strategies
• Fast installation and easy return to stock mapping
• Stores up to 100 maps for maximum tuning flexibility

Competition Motorsport | sales@competitionmotorsport.com | (844) 438-7244