034 Motorsport 034SPI Boot Loader Unlock (BLU) Harness for Volkswagen & Audi DQ381 G2 Transmissions
- Description
- Fitment
- Refund Policy
Unlock your 2022+ Volkswagen & Audi DQ381 G2 TCU with the 401 boot loader from the comfort of your home using the 034Motorsport 034SPI Boot Loader Unlock Harness and Software. With simple hardware connections and the 034SPI mobile app, you can complete the process right from your phone, mobile device, or laptop. Once unlocked, your transmission is ready for complete transformation with an optimized 034Motorsport Dynamic+ TCU Tune.
Take Control. Unlock From Home.
The 034Motorsport 034SPI Boot Loader Unlock Harness and Software gives you direct end-user access to unlock DQ381 G2 TCUs equipped with the locked 401 boot loader. No hardware swaps or shipping, no overpriced third-party tools, and no waiting. This solution puts full control in your hands.
Engineered for Direct, Seamless Integration
Using a 034Motorsport TCU flashing harness, the system connects directly to the transmission in conjunction with the 034Motorsport SPI flashing dongle. 034SPI BLU allows you to connect directly to the TCU, even bypassing the factory OBD system. The 034SPI BLU software then safely and efficiently unlocks the TCU with a streamlined process that can be completed from your phone, mobile device, and laptop, or through your preferred 034 tuning dealer.
The First True End-User Solution
This is the first solution of its kind to offer end-user boot loader unlocking without additional hardware or complicated processes. 034Motorsport has opened up the problematic 401 boot loader unlock to the people, to easily open up a world of TCU tuning options previously thought impossible! It integrates seamlessly with existing 034Motorsport flashing tools and is included at no cost for all existing Dynamic+ TCU tune customers, making it fast, accessible, and easy to use.
This is the market’s first true at-home boot loader unlock solution. No replacing your mech unit, no overpriced extra tools, no shop labor costs. 034Motorsport puts you in control with a faster, simpler, more accessible path to unlocking and tuning.
Complete the Dynamic+ Driving Experience
Unlocking your factory TCU enables Dynamic+ TCU tuning, delivering refined shift strategies, improved drivability, and safe power delivery to complement ECU tuning. The result is smoother operation, quicker response, and a more cohesive performance transformation. The TCU is the second side of power, performance and drivability to the ECU, ensuring both are optimized will give the fastest, safest, most refined driving experience.
Built for the Latest Volkswagen & Audi Platforms
Designed for supported 2022+ Volkswagen & Audi models equipped with the DQ381 G2 transmission and locked 401 boot loader, this solution provides the necessary foundation to run Stage 1, Stage 2, or Stage 3 TCU tunes. Note: 034Motorsport BLU functionality is only available for 034Motorsport tunes, and is not compatible or usable with tunes from other companies.
| Make | Model | Years | Chassis | Engine |
|---|---|---|---|---|
| Audi | S3 | 2022-Present | 8Y/8Y.5 | 2.0 TFSI |
| VW | Arteon | 2022-2024 | I.5 | 2.0T Gen4 |
| VW | Arteon R | 2020-Present | I.5 | 2.0T Gen4 |
| VW | Golf R | 2021-Present | Mk8/Mk8.5 | 2.0T Gen4 |
| VW | GTI | 2022-Present | Mk8/Mk8.5 | 2.0T Gen4 |
Returns
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Additional non-returnable items:
Gift cards
Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
If you would like to start a return please click here
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges (if applicable)
To start an exchange, click here
Non-refundable items
The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable, wheel spacers, wheels bolts, license plate brackets, electronic tuning components and any other product subject to discretion of AM Tuning Canada.
Other products from brands such as MHD, Bootmod3, Ecutek, Braum racing, Novitec are also non-refundable and non-returnable.
All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.
