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DQ381 DSG Performance Software Upgrade

Improves upon the DQ381 transmission’s function, drivability, and performance through a myriad of enhancement and custom features.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
APR
Mfg Part #
DPP-DQ381-STK
ECS Part #
ES#3980778
Brand
APR

499.99
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Availability:
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Est. Ship Date:
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Product Details

Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne

APR is pleased to present the ultimate Transmission Control Unit (TCU) Upgrade for the DQ381 7-Speed DSG / S-Tronic Transmission!

APR’s TCU Upgrade dramatically improves upon the DQ381 transmission’s function, drivability, and performance through a myriad of enhancement and custom features. Normal daily driving is smoother as they improved upon the normal quirks and complaints associated with the driving experience. Sporty driving is far more capable with increased torque capacity, clamping pressure, faster shifting times, more capable launch control, and more, handily shaving .2 seconds off their Stage 2 S3's quarter mile time! Both are optimized to deliver faster acceleration by matching the power output delivered by our ECU Upgrade. This all comes with customizable features you can choose while flashing the TCU to personalize the transmission to your desire! Lastly the software loads to the factory TCU through the OBD-II port, resulting in a clean and headache-free install.

Features: 

  • Optimized part throttle drive and sport maps: At lower throttle input, the system doesn’t race towards the highest gear. In doing so, we keep the turbo spooled between shifts for a more enjoyable driving experience.
  • Optimized wide open throttle drive and sport maps: Shift strategy matches the output of our tuned ECU upgrades. In doing so, each gear will shift at the ideal point for the fastest acceleration.

  • Increased clutch pressure: Maximum targeted clutch pressure is raised to 17.5 bar / 255 PSI giving the transmission the ability to continue raising clutch pressure, as needed, to help prevent slip in higher torque situations.

  • Increased clutch torque limits: Clutch limits raised, allowing the transmission to function properly at higher torque levels. In doing so, the TCU does not artificially reduce torque.

  • Manual downshift lockout limit increased: In manual mode, the transmission will allow you to downshift so long as the next is below redline. This includes removal of the first gear lockout.

  • Lightning fast paddle response: Pulling the manual paddles results in a quicker shift with artificial delays and lag times removed and reduced.

  • Lightning fast shift times: Shift times are reduced to be as fast as physically and mechanically possible by the transmission. During cruise and light throttle, shift times are transitioned to a slower comfort mode.

  • Reduced pull-away delay: We’ve reduced the delay experienced when pulling away from a stop for a more natural driving experience.

  • Customizable auto up-shift behavior: When flashing the transmission, you can choose to have manual mode auto up-shift at redline or stay in gear and bounce off the limiter until you manually shift.

  • Customizable 3-step launch control: When flashing the transmission, you can choose your maximum launch RPM, which includes 3 launch RPMs that are selectable depending on throttle position.

  • Lightning fast launch control: We’ve greatly reduced the delay experienced after you release the brake pedal for a quicker reaction time when using launch control.

  • Launch control enabled with ESP on: Launch control can be used with ESP on. In some situation with the right setup this may improve your launch, although ESP will get in the way with too much tire slip.

  • Launch counter: There’s no software limit to the number of launches possible on the transmission.

  • Gear display active in drive and sport: Drive, sport and manual mode all display the current gear in the MFD, digital dash or virtual cockpit.

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
Audi 8V S3 Quattro 2.0T Use vehicle selector to confirm fitment
Audi TTS MK3 (2014+) 2.0T Use vehicle selector to confirm fitment
Volkswagen Arteon 4Motion 2.0T Evo4 Use vehicle selector to confirm fitment
Volkswagen Arteon 4Motion 2.0T Gen3 Use vehicle selector to confirm fitment
Volkswagen Arteon FWD 2.0T Evo4 Use vehicle selector to confirm fitment
Volkswagen Arteon FWD 2.0T Gen3 Use vehicle selector to confirm fitment
Volkswagen Golf VII Facelift FWD 2.0T Gen3 Use vehicle selector to confirm fitment
Volkswagen Golf VII R Facelift 4Motion 2.0T Gen3 Use vehicle selector to confirm fitment
Volkswagen Jetta VII GLI 2.0T Gen3 Use vehicle selector to confirm fitment
Volkswagen Jetta VII GLI Facelift 2.0T Gen3 Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

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Return and Exchanges

Need to set up a return? Click here to begin: Return Process

All you need is your order number and email address.


New/Unused Product Returns

ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

Want to know more about our Lifetime Replacement program?

Click here to learn more.

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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Manufacturer names and/or part numbers are used only for identification purposes.

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