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This is a verified higher A+ quality car diagnostic tool with better stability and longer lifespan, available from an EU warehouse

26. May 2026 5 min read 0 comments

If you're interested in servicing, diagnostics, or just like keeping an eye on your car's technical condition, this higher A+ quality car diagnostic tool is the ideal solution for both home and professional use.

The car diagnostic tool in the Single PCB A+ version with a single board and integrated Bluetooth offers an excellent balance of price, quality, and functionality. The manufacturer used high-quality original chips here, ensuring stable communication, high reliability, and a long service life for the device.

Current May prices

You can find the higher A+ quality car diagnostic tool on AliExpress from a verified seller. It is located directly in an EU warehouse, which means very fast delivery within just 5-10 business days after dispatch and no extra fees! Don't forget to use the coupon from the price box as well.

Several versions are available, which usually differ only in the case the diagnostic tool is housed in. All versions have Bluetooth available.

ChinaPlanet deal

Higher A+ quality car diagnostic tool

Autodiagnostika vyššej A+ kvality
87,90 €
No coupon

Price history

11,40 €more expensive than the average price
Cheapest 50,97 €Most expensive 87,90 €
Are you shopping on AliExpress for the first time? See the guide!
Updated 23. 10. 2026 at 07:11
TIPExpress delivery from the Polish warehouse with no customs duty and VAT.

This product will be delivered to you express from a local Polish warehouse. Shipping from Poland usually takes 7-10 days and is handled by a courier. When it arrives, you don’t pay any extra fees—no customs duty or VAT.

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Are you shopping on AliExpress for the first time?

The process is via the AliExpress mobile app, where most people shop. There are two key things: don’t use Buy now and enter the coupon only in the order summary, in the field Promo code. After you click Pay now, you won’t be able to add it.

  1. Copy the code and click Use discountIn our article, copy the coupon and click the button GET DISCOUNT. The link will take you directly to the product in the AliExpress app.
  2. Use Add to cart instead of Buy nowOn the product card, scroll down and tap Add to cart. Don’t use the Buy now button—you’ll skip the cart, and later you won’t have anywhere to enter the coupon. Before that, double-check the variant: the color, the version, and whether it ships from an EU warehouse.
  3. Through the cart, go to CheckoutA pop-up will appear: Added to cart! — tap Check it out in it. If it disappeared, open the cart with the icon at the bottom right. In the cart, check the product and quantity, then click the red Checkout. Only the items marked with the red ring will be applied.
  4. Enter your address and card, then look for Promo codeIn the order summary, first fill in the delivery address and payment card at the top. Below them there’s a line Promo code — expand it with the arrow on the right.
    Riadok Promo code v zhrnutí objednávky v aplikácii AliExpress
    Look for this line under the address and payment method.
  5. Paste the code and confirm ApplyIn the field Promo code paste the copied code and click the black Apply. The code is case-sensitive and must not contain spaces.
    Políčko Promo code s kódom a tlačidlom Apply v aplikácii AliExpress
    Paste the code into the field and confirm with the Apply button.
  6. Check the savings and payIn the Summary expand the line Saved — you’ll see the applied coupon there as AliExpress coupons/codes. Only when Total is really lower, click Pay now.
    Riadok Saved s uplatneným kupónom a znížený Total v aplikácii AliExpress
    The applied coupon will appear in the Saved line and will reduce the Total.
Apply the discount already at the order summary. After you click Pay now, you can no longer add a coupon. If Apply shows an error, the code has either expired, doesn’t apply to your items, or the order doesn’t meet the minimum amount.
The Store Coupon also goes in the same field. — a coupon from the seller itself, which isn’t always available and changes from day to day. AliExpress coupons can’t be combined, so try both and go with the one that gives you more. Coins are added automatically.

Why choose the A+ Single PCB version

There are many different car diagnostic tool clones on the market, but not all are worth it. This A+ version with a single board (Single PCB) is premium workmanship with quality components. Unlike cheap two-board clones, it has more stable data transmission, lower failure rates, and longer lifespan. The compact design eliminates the risk of poor contact between boards while also ensuring faster signal processing.

The included Bluetooth module ensures fast and flawless connection, and the device communicates without issues with a laptop or tablet. Data processing is handled by a modern ARM processor, which can handle connections to dozens of car brands without outages.

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Benefits in practice

Users of this higher A+ quality car diagnostic tool especially appreciate its reliable connection and wide compatibility with older and newer car models. Original NEC relays can withstand thousands of switching cycles without failure, and Bluetooth communication remains stable even during longer diagnostics.

During testing, the device was able to run continuously for several hours without overheating. The diagnostic tool can read error codes, clear them, monitor live data, measure parameters in real time, and also supports advanced functions such as sensor calibration, service interval resets, or component testing.

Comparison with cheaper clones

At first glance, a cheaper diagnostic tool may look similar, but the difference becomes obvious as soon as you plug it in. Inferior clones often contain fake FTDI chips that cause data transfer errors, weak NEC relays that overheat and don't switch reliably, or a missing GEZ chip that protects the device against overvoltage. All these components are used in the A+ version in their original form, making this device one of the best solutions for hobbyists and semi-professional workshops.

In addition, thanks to the better board design and galvanic isolation, the device is more resistant to damage from vehicles with unstable voltage. Many users confirm that after years of use, the device works just as reliably as new.

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Compatibility and functions

Diagnostics supports standard protocols OBD-II, EOBD, and CAN-BUS. It works with Windows systems, and most sellers provide the Delphi / Autocom software in version 2020.23 or 2021.11, with an updated database of vehicle models. The interface is clear and even a less experienced user can handle it. Supports both gasoline and diesel engines, as well as passenger and commercial vehicles.

The device lets you read and clear trouble codes, view live sensor data, reset the service interval, regenerate the DPF filter, calibrate ABS sensors, airbags, and measure turbo and injection parameters. A separate software is available for the truck version, covering even heavy equipment.

Key components and their meaning

This device is equipped with carefully selected chips that are crucial for the quality and stability of the entire system. The manufacturer focused on original components instead of cheap Chinese imitations, which often fail or have a weak response.

Single PCB A+ version
NEC RelayOriginal Japanese relays UD2-5NU – reliable communication with the control unit
FT232RQOriginal FTDI chip for stable USB transmission
9241AOriginal ISO 9141 driver for older OBD-II cars (K-line)
GEZ ChipSurge protection with fast response
Bluetooth ModuleStable connection without dropouts
Induction 701An inseparable single-board element for precise response

Thanks to these components, the device can communicate without any issues with most European brands such as Mercedes-Benz, Audi, BMW, Volkswagen, Opel, Renault, Škoda and others. The original chips ensure flawless communication without freezes and errors, which are common with cheap clones.

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