Please note the new AccessPORT with transmission control module support can be purchased here: https://www.speedforsale.com/nissangtrparts/cobb-tuning-cobb-accessport-with-tcm-support-p-1871.html?cPath=33_60

The AccessPORT is the most user friendly reprogramming device for your vehicle's computer...not to mention it's stage 2 setting gives your GT-R an extra 70+ all wheel horsepower and 90+ all wheel torque at certain RPM points when coupled with a Y-pipe and exhaust! This is by far the best bang for the buck modification for your GT-R. When coupled with a Y-pipe and catback, your GT-R should see mid/high 400 AWHP. The provided mapping will optimize the air/fuel ratio and ignition timing, remove the speed limiter, and more tweaks for performance results you can instantly feel!

But the AccessPORT is so much MORE than just a REFLASH DEVICE. It allows you to also read any of the DTC (trouble) codes on the various computers on the GT-R as well as clear them out of memory (reset them).

The AccessPORT provides complete control over the factory engine management system. Using the provided Stage 1 or Stage 2 calibration maps in conjunction with appropriate exhaust modifications, users can see significant performance gains across the entire power band. The AccessPORT also provides users with many convenience features such as anti-theft mode, economy mode, and valet mode calibrations along with a fully featured DTC code reader. More than just a programmer, the AccessPORT is the ultimate all-in-one solution for the GT-R enthusiast.
Stock - 12 psi
Stage 1 - 14.5 psi
Stage 2 - 16.5 psi

Stage 1 - 91 Oct - +55HP and +60TQ
Stage 1 - 93 Oct - +63HP and +70TQ
Stage 1 - 97 Ron - +63HP and +70TQ

Stage 2 - 91 Oct - +65HP and +80TQ
Stage 2 - 93 Oct - +70HP and +90TQ
Stage 2 - 97 Ron - +70HP and +90TQ

AccessPORT features:

• Reflashes ECU through factory Data Port (OBD2)
• Ability to uninstall and revert back to original (stock) ECU data
• Ability to store multiple maps, allows switching between maps at user's convenience
• Ability to read DTCs (trouble codes) from the ECU, BCM, Multi-AV, IPDM, Pre-crash Seat Belt, Meter/M&A, and Adaptive HL computers
• Ability to clear DTCs (trouble codes) from all vehicle computers including 'Bonnet Light'
• Ability to update reflash maps as improvements become available
• Periodic Internet updates providing new features and improved support