The COBB AP3-FOR-004 Accessport V3 Programmer is designed for the 2016-2018 Ford Focus RS and provides ECU flashing, real-time vehicle monitoring, datalogging, map storage, and access to supported COBB Off The Shelf calibrations. Its compact in-cabin design features a large full-color display capable of monitoring up to six vehicle parameters at once.
The Accessport supports staged ECU tuning with compatible Stage 1 and Stage 2 calibrations for 91 and 93 octane fuel. COBB-published dyno testing shows notable horsepower and torque improvements with supported calibrations, including peak horsepower gains exceeding 20 percent with certain Stage 2 configurations. Actual performance varies based on fuel, vehicle condition, modifications, environment, and calibration.
Focus RS-specific COBB features include Adjustable Traction Control, Flat Foot Shift, Launch Control, and Map Slot Switching. These features provide additional control over traction settings, launch RPM, shifting behavior, and supported calibration parameters when enabled in the appropriate map.
Key Features & Specs:
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Brand: COBB Tuning
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Product Type: Programmer / Tuner
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Device: Accessport V3
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ECU Flashing: Yes
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Real-Time Monitoring: Up to 6 Parameters
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Display: Full Color High Resolution
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Supported Maps: Stage 1 and Stage 2
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Fuel Options: 91 and 93 Octane on Supported Maps
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Datalogging: Yes
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Adjustable Traction Control: Supported with Compatible Calibration
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Flat Foot Shift: Supported for Manual Transmission Applications
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Launch Control: Supported
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Map Slot Switching: Supported
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Interchangeable Faceplates: Yes
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Emissions: 50-State Legal When Used per COBB Application Guide
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CARB EO: D-660-6
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CARB EO: D-660-80
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CARB EO: D-660-104
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Part Number: AP3-FOR-004
Vehicle Fitment:
Fitment & Installation Notes:
- Designed for supported 2016-2018 Focus RS applications.
- Installation over ECU software other than OEM or COBB software may result in ECU or TCU failure.
- Use the correct COBB calibration for the vehicle, fuel octane, and installed modifications.
- Certain COBB Custom Features must be enabled within the applicable ECU calibration.
- Performance figures are based on COBB-published testing and actual results may vary.
- 50-state emissions legality applies when used according to COBB's application guide and applicable CARB Executive Orders.
Tuning Highlights:
- Stage 1 calibrations available for supported 91 and 93 octane applications
- Stage 2 calibrations available for supported 91 and 93 octane applications
- COBB-published testing shows double-digit horsepower and torque gains with supported Stage 1 tuning
- COBB-published Stage 2 testing shows peak horsepower gains exceeding 20 percent in supported configurations
- 91 octane calibrations use tuning strategies intended for lower-octane fuel compared with the more aggressive 93 octane maps
- Performance results vary based on fuel quality, vehicle condition, modifications, atmospheric conditions, and calibration
COBB Custom Features:
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Adjustable Traction Control: Allows supported traction slip targets to be adjusted through multiple selectable settings when enabled in the ECU calibration
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Flat Foot Shift: Helps maintain engine speed and boost during manual transmission shifts with an adjustable RPM range from 3000-8000 RPM
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Launch Control: Provides multiple selectable launch RPM settings for supported vehicle and track conditions
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Map Slot Switching: Allows supported calibration parameters to be changed between configured map slots without reflashing the ECU
What's Included:
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COBB Accessport V3 Programmer - AP3-FOR-004
Why Choose COBB?
COBB Accessport programmers combine ECU tuning, real-time monitoring, datalogging, map management, and supported vehicle-specific features in a compact in-cabin device. Preloaded OTS maps provide a staged tuning path while features such as Launch Control, Flat Foot Shift, Adjustable Traction Control, and Map Slot Switching add functionality for supported Focus RS applications.