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APR

APR ECU Upgrade - 2.0T EA888 Gen 3 IS20 (Transverse) (Atlas)

Part # ECU-20T-EA888-3-T-IS20-ATLAS Be the first to write a review

2.0T Engine Tune for the Volkswagen Atlas 18-23, Atlas Cross Sport 20-23

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APR ECU Upgrade - 2.0T EA888 Gen 3 IS20 (Transverse) (Atlas)

Estimated Ship Date: 07/27/2026
$559.95
To place an order, please call 1-800-680-7921
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APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR's optimization of the factory engine management system to take full advantage of the engine's capabilities, without needing any end user adjustment. The ECU Upgrades are available with various features and supported octane levels and each stage is compatible with most typical bolt-on modifications. The software is installed to the vehicle's factory ECU through the OBD-II port, resulting in a clean and headache-free install. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!

Features:

  • Horsepower - More horsepower throughout the whole rpm band
  • Torque - More torque throughout the whole rpm band
  • Warranty - APR Plus is available, providing a factory term limit matching limited powertrain warranty
  • Fuel Grades - Multiple octanes from which to choose
  • Stages - Multiple performance levels depending on installed hardware
  • Acceleration - Accelerate faster with more power and reduced throttle lag
  • Linear Throttle - Pedal maps adjusted for a more linear feel
  • Brake Boosting - Left foot braking or brake boosting added
  • Speed Limiter - Go as fast as you want with the speed limiter out of the way
  • Standing Limiter - Increased standing limiter for higher revving at idle
  • Motorsport Limiter - With the soft limiter removed, you‚Äôll get full power right up to the hard, ‚Äúbap bap bap‚Äù redline fuel cut
  • Auto Start/Stop Inversion - Auto Start/Stop defaults to the off position
  • Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
  • Flash Counter - Flash counter does not increase with each flash
  • Direct Port Programming - Clean and easy install through the OBD II port without removing the ECU
  • Free Updates - Get free updates for life
  • Guarantee - 30 day money back guarantee
Brand APR
Emission Code1
Engine AspirationTurbocharged
Engine ConfigurationI4
Engine Displacement2.0L
Engine FamilyEA888 Gen 3 IHI
Engine OrientationTransverse
Fuel TypeGasoline
Install TypeAPR Dealer (Software Price Shown)
MarketNAR
ROW
Product TypeECU Upgrade
Tuning (Engine Control Unit Upgrades)
Part NumberECU-20T-EA888-3-T-IS20-ATLAS
1

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Important fuel quality information
Important fuel quality information
Find your boxcode and revision
Find your boxcode and revision
APR Plus Warranty Booklet
APR Plus Warranty Booklet
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number. Please Note: Each vehicle's year, make, and model may have multiple factory engine or transmission controller software part numbers, known as box codes, each with unique revisions. Manufacturers periodically release software updates that alter this information, which can only be determined by scanning the controller and is not publicly provided. Due to the variety of codes, some stages, octane levels, features, or options may not be available for specific codes. Therefore, our website provides a general guide based on general info such as Year, Make, and Model. Our system allows you to request unavailable software, and we offer a 30-day money-back guarantee if you're not satisfied.

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    APR ECU Upgrade Stages

    Our ECU Upgrades are available in multiple configurations. Installation of additional performance hardware, such as an intercooler or intake systems, may provide further performance improvements.

    APR Stage 1

    The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 291-319 HP and 317-348 FT-LBS of torque. This stage has optional low torque output files and FWD specific files to limit first gear wheel spin. APR spark plugs are recommended.


    APR Stage 1 is available for 87 AKI, 91 AKI, and 93 AK North America, and 91 RON, 95 RON, and 98 RON in the Rest of the World.

    APR Plus

    APR Plus is our APR Stage 1 ECU Upgrade with our limited powertrain warranty and it’s the first step towards tuning your engine. It produces up to 291 HP and 317 FT-LBS of torque. Please check our warranty manual to understand modifications supported by APR Plus.

    Horsepower and Torque Dyno Charts

    Select a DynoSelect a Dyno Type

    APR Calibration Report

    StageHPTQMax GainMax Gain
    Stock As Reported by VAG 232 HP 
    		258 FT-LBS 
    Stock As Measured by APR 253 HP 262 FT-LBS 
    APR Plus
    87 AKI291 HP
    		317 FT-LBS
    		+41 HP +57 FT-LBS 
    APR Stage 1
    87 AKI291 HP
    		317 FT-LBS
    		+41 HP +57 FT-LBS 
    91 AKI / 95 RON311 HP
    		340 FT-LBS +59 HP +80 FT-LBS 
    93 AKI / 98 RON319 HP
    		348 FT-LBS +66 HP +88 FT-LBS 
    Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.

    The APR Difference

    Who we are - We’re a global automotive engineering firm nestled in Opelika, Alabama. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. We have multiple engine and chassis dynos, and the resources necessary to create our ECU Upgrades in-house, from the ground up! We're not a new company either. We've been around since the 90's and we have a strong financial backing to ensure we'll be here to support you for decades to come!


    What we do - We optimize everything to make your engine more powerful. We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course! We don’t take shortcuts, and we don’t take risks. We do it the right way.


    How we differ - With our proprietary calibration and direct ram access data logging tools and operating system code changes, we’re able to make some of the strongest and fastest ECU upgrades, without needing costly end user adjustments. We work with the ECUs intelligent modeling and closed-loop systems, and beta test in multiple environments to create upgrades that work no matter where you drive!

    APR Software Pricing Guide

    Visit the ECU and TCU Pricing Repository for all pricing and options.

    Purchasing, Guarantee, and Updates

    How to Purchase and Install APR Software


    1. Home Install: Install, configure, and purchase APR Software at home with an APR Ultralink.
    2. Dealer Install: Visit an APR Dealer, where they will sell and install APR Software for you on-site.


    30-Day Money-Back Guarantee: Try any eligible Software Upgrade risk-free for up to 30 days. If you’re not satisfied, we’ll reinstall your factory software and issue a refund.


    Free Software Updates: Receive free updates when we release new versions, add standard features, or your vehicle’s manufacturer issues an update.


    Important Notes:

    Availability: Software availability depends on your vehicle's box code and revision.
    Guarantee: Some exclusions apply, such as upgrades bundled with hardware. Third-party labor or service fees are not covered.
    Updates: Available to the original purchaser or with a warranty transfer. Third-party labor fees are not included.
    APR Plus: Not compatible with Do-It-Yourself options. Availability varies by region.
    Ultralink: Availability varies by region.

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