2023 Maverick and Maverick Tremor Tuning
Excitement for our Accessport and Stage 1 calibration for the Ford Maverick has been overwhelmingly positive. We are excited to announce that our 50-State Legal FOR-009 Accessport for the Ford Maverick now supports both the 2023 Maverick and 2023 Maverick Tremor.
The Accessport
The Accessport is the world’s best selling, most flexible, and easiest to use ECU tuning solution for your 2023 Ford Maverick. Both Engine and Transmission tuning is handled within one control module. It allows you to increase power by replacing conservative factory settings with more aggressive calibrations, and more! The Accessport is in-cabin mountable and has a large, full color, high-resolution screen which allows you to monitor up to six parameters in real time. It is fully customizable from the look (optional bezel colors), layout (set up race, street, or dyno gauge clusters), and mounting options (choose from 1,000s of standard vehicle mounts). One benefit of this is that the Accessport only needs to install onto one module instead of two, making installation time much quicker. This also means is that map selection during install may be a bit different from what some of our customers are used to seeing. Each ECU Performance map is able to be flashed in conjunction with any of the available TCM maps. Both Engine and Transmission tuning are supported in one part number, the AP3-FOR-009.
The Accessport and included COBB Off The Shelf Maps are legal to be used in all 50 states as they are covered by C.A.R.B. EO D-660-124.
The ECU Maps below are available in multiple flavors, for 91 and 93 octane fuel and with varying combinations of transmission (TCM) tuning.
- Stage1 91 OCT or 95 RON – COBB OEM+ TCM
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Stage1 91 OCT or 95 RON – COBB Sport TCM
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Stage1 91 OCT or 95 RON – Simulated Stock TCM
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Stage1 93 OCT or 98 RON – COBB OEM+ TCM
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Stage1 93 OCT or 98 RON – COBB Sport TCM
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Stage1 93 OCT or 98 RON – Simulated Stock TCM
For full details of each Performance Map, visit our Map Notes Page.
Power Gains & Transmission Tuning
Stage 1 gains on the Maverick’s 2.0L EcoBoost are significant across the board using both 91 and 93 octane fuel. As you can see in the chart above, those using 93 octane and the corresponding file will enjoy an additional ~10 HP and 15 TQ to the wheels when compared to the 91 octane gains.
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Peak HP Increase |
+11.9% HP |
+7.6%% HP |
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Peak TQ Increase |
+17.6% TQ |
+11.6% TQ |
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Max HP Gain |
+20% HP |
+15.4% HP |
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Max TQ Gain |
+19.9% TQ |
+15.2% TQ |
Available TCM Maps
Simulated Stock
Factory transmission tune from 2023 Maverick
COBB OEM+
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Shift Points
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Moderately increased RPM limits on upshifts
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Altered shift behavior for more responsive downshifts
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Shift Firmness
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Moderately increased during high power/RPM shifts in Normal and Sport mode
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Upshift Backout
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Upshift inhibit (zero Accelerator pedal position gear-holding) in ‘Sport’ mode following high-power acceleration and throttle backout has been disabled. Stock behavior would inhibit upshift until pedal position is re-applied above ~10%.
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Torque Limits
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Increased torque limits for more aggressive launches and acceleration
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COBB Sport
- Shift Points
- Moderately increased RPM limits on upshifts over OEM+ map
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Altered shift behavior for even more responsive downshifts over OEM+ map
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Shift Firmness
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Moderately increased during high power/RPM shifts in Normal and Sport mode
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Upshift Backout
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upshift inhibit (zero Accelerator pedal position gear-holding) in ‘Sport’ mode following high-power acceleration and throttle backout has been disabled. Stock behavior would inhibit upshift until pedal position is re-applied above ~10%.
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Torque Limits
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Increased torque limits for more aggressive launches and acceleration
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COBB Custom Features
COBB Custom Features: Dynamic Pedal Control
- Dynamic Pedal Control allows you to quickly adjust throttle pedal sensitivity easily. The system works by modulating from the throttle mapping found in your current drive mode (i.e. Drive/Normal, Mud/Sand, Sport) and some predetermined maximum and minimum sensitivity levels. Each step negative (-1 – -5) decreases throttle sensitivity which can help achieve better mpg, or a quick detune if someone less responsible is driving. When stepping positive (1-10) you’ll be making smaller pedal movements have a much bigger impact on the throttle which can help the car feel faster and more responsive.
COBB Custom Features: Tire Size Adjustment
- Tire Sized Adjustment does just what it seems it would. This feature allows those with up-sized tires to apply a correction to the truck’s ECU and TCM to ensure accurate behavior and speed display.
COBB Custom Features : Auto Start/Stop Configuration
- This feature allows users to select their preferred functionality of the factory Auto Start/Stop setting, either enabled or disabled.
COBB Custom Features : Valet Mode
- Set the maximum allowable throttle input as well as decrease the sensitivity of the thottle pedal by enabling Valet Mode.
Stage 1 Power Package
Our Stage 1 Power Package for the Ford Maverick EcoBoost consists of the Accessport and our reusable high flow filter. COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. It uses proprietary woven cotton and metal mesh with a precision molded rubber base. The filter is compatible with pre-loaded COBB Off The Shelf Maps.
Ford Accesstuner Pro
Interested in modifying your Ford Maverick EcoBoost beyond the support of our included Off The Shelf Maps? Good news, our Ford Accesstuner Pro HL software includes support for the Maverick. Any COBB Protuner with our Ford software can help create a custom calibration.
I have installed my AP on my 24 tremor maverick and tried all the 93 tunes and love it! Was curious though which out of the two transmission tunes would you consider to be easiest on the transmission itself? As in would be less likely to build the most heat and extend the life of the transmission?
Hey Logan, glad to hear you’re loving the tune on your Maverick! You really cannot go wrong with either the OEM+ or Sport TCM options.
Marshall@COBB
Does Cobb offer a tow tune for the 2023 Ford Maverick that I can download to my Accessport?
Hey Mark! We do not offer a specific towing map. That said, you should be safe to just step down to the Stage1 87 OTS Map. Perfectly fine to use a higher octane fuel while running that map and it will minimize any additional strain on the transmission under the reduced load/torque requests.
Marshall@COBB
After 6 months & 15k miles, my greatest issues with my 24 Maverick Tremor are the stock transmission control, as well as the electronic brake distribution mapping.
I’ve found that driving in Mud/Rut mode is by far the best combination for my driving enjoyment. The brake distribution in Normal mode does not provide enough brake pressure to fight off the natural mechanical advantage of the 8 speed transmission. EBD in Tow/Haul mode provides more brake pressure as standard, however it changes the pressure dramatically at random, and along with the transmission upshift inhibitor, it’s so annoying that the truck wants to keep it up to 4k-6k rpms. In Normal mode, the transmission is always in a gear to high, which keeps rpms too low when in traffic and requires a larger push of the throttle to get the truck moving. In Mud/Rut mode, the engine stays right at peak torque in everyday driving/commuting, around 3k rpms, and has proven to yield greater MPG since the engine doesnt need to work as hard to keep putting power down. The EBD in Mud/Rut is also the most comfortable and reactive braking as well as engine braking, but the truck still is plagued by the upshift inhibitor. Given that Ford was too cheap to install paddle shifters or any transmission control, I hate not being able to shift the engine when I feel it is needed.
Does the Accessport provide any control of the Maverick’s Electronic Brake Distribution?
Upshift Backout
upshift inhibit (zero Accelerator pedal position gear-holding) in ‘Sport’ mode following high-power acceleration and throttle backout has been disabled. Stock behavior would inhibit upshift until pedal position is re-applied above ~10%.
— Does this mean that the transmission would shift with a minor press of the accelerator pedal? I’m trying to understand whether this would fix my concerns.
In my daily route, I drive down a steep grade in traffic on the highway. Speeds vary from 30-60mph and I keep having issues where in Normal mode the transmission stays in too high of gear with no engine braking, so I drive in M/R mode to provide engine braking and proper EBD, but there are too many times where traffic clears up and we are accelerating from 30mph to 65mph and the transmission refuses to shift, with the engine holding 5.5 – 6k rpms for a couple seconds and sometimes I change to Normal mode to get the truck to shift. I’ve tried depressing the accelerator further and that doesn’t seem to work.
Hey Michael!
To answer your questions:
Does the Accessport provide any control of the Maverick’s Electronic Brake Distribution?
No, EBD is not handled by the powertrain control module and we are only reflashing the powertrain control module. There could be indirect/downstream changes to EBD behavior based on things like engine speed and gear while braking, which would be something that can be modified via shift schedule tables in the PCM that we define. But that is speculative of how EBD may work – we have not reverse engineered control strategies for EBD on any Fords or other supported vehicle platforms.
Does this mean that the transmission would shift with a minor press of the accelerator pedal?
In the factory calibration, Upshift Backout Inhibit will operate differently in different drive modes. The intended functionality for this feature is to prevent an upshift under conditions where PCM thinks the driver is driving “spiritedly”; this would avoid unnecessary upshifts and downshifts as the driver gets on and off the throttle. Once you’ve hit WOT in Sport mode, for example, Upshift Backout Inhibit will prevent an upshift from being commanded while your foot is off of the throttle. Only once you have reapplied the throttle above 10% for a few seconds (indicating to the PCM that you are done driving “spiritedly”) will an upshift be commanded. However, as you’ve noted this handles normal road driving conditions poorly – if you’re trying to accelerate on a short on-ramp or to pass a vehicle, it will hold a gear much longer than you intend. This behavior is mostly inactive in Normal mode in the factory calibration, but is very pronounced in Sport and Mud modes. Our OTS maps modify Sport mode Upshift Backout Inhibit to work just as normal mode does, but does not modify Mud mode. A custom tune could easily change this from one of our Protuners.
There is another element at play when considering transmission shifting behavior on steep grades – the PCM has a method of calculating an inferred road grade, and above certain grade thresholds will use shift schedule tables (upshift, downshift, and coastdown) that are specific to high grade conditions. There are two sets of tables for positive grade (hill ascent) and one set of tables for negative grade (hill descent). These tables are not modified in our OTS maps but again can be modified by a Protuner in a custom tune.
Paddle shifters can be swapped into the truck – I did it on my personal Maverick, all necessary tables to get manual shifting to work are in our software. Since this will change the functionality of the ‘L’ button on the dial shifter from a ‘Low Gear’ mode to ‘Manual’, we don’t modify these tables in OTS. But a Protuner can get that tuned in. I used a Bronco Sport Badlands wheel that I ordered from Ford Parts. It does require running wires from the steering control module all the way to the ECU and adding those pins. It’s not particularly complicated and took me maybe two hours. If you would like further details on that wheel swap/paddle shifter enable, feel free to reach out via [email protected] and we can provide some guidance.
Hope that helps!
Marshall@COBB
Will this fit the 2023 Escape 2.0T as well?
Hey there! We do not currently have plans to offer tuning support for Escapes with the 2.0T EcoBoost.
Marshall@COBB
Just purchased 2024 version of Maverick FX4 offload.
I cannot just use the 2023 V3? its not working with 2024 yet?
Hold tight, we’re working to make 2024 support available this week! At that point, any existing FOR-009 Accessport can be updated (for free) using our Accessport Manager software and would then be compatible with the 2024 Mavericks.
Marshall@COBB
Can I purchase this access port and wait for 2024 maverick support?
Hey Nikolas! You can if you like! We actually just finished up testing so we should be releasing support any day now! Just stay tuned to the blog and our Facebook as that’s where we’ll post when it goes live!
how do I buy the 599 system for my 2022 EcoBoost Maverick
also what is the actual horsepower gaIn rear wheel
To purchase an Accessport for your Maverick, CLICK HERE. Power gains displayed in this post are measured at the wheels on our in-house chassis dyno.
Marshall@COBB
Hello since the Maverick Tremor doesnt have a sports mode would I use to tow haul mode for that tune option or does the tune only apply to normal mode?
Hey Marcus, the Tremor not having “Sport” mode does not limit the tuning changes/features available. You would still see all of the power making changes and transmission cal changes in Normal mode. We don’t make any calibration changes specific to Tow mode so it would still function as it does from the factory. The only real difference is that trucks w/ sport mode do this annoying gear hold instead of upshifting when you’re off-throttle after heavy acceleration, we dubbed it “Upshift Backout”. Hope that clarifies a bit, let us know if you have any other questions!
Marshall@COBB
So you have a tuner for the Maverick, but skipped right over the Ranger.
Why is that?