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Full-system diagnostics
TOPDON describes CarPal as scanning systems such as the engine and brakes, and reading and clearing supported fault codes. Vehicle coverage varies.
Bluetooth OBD2 diagnostic dongle
Meet CarPal.
The professional in your pocket.
A compact, phone-connected scanner for checking vehicle health, reading diagnostic information, viewing live data, and exploring supported maintenance functions.
$89.99Current price
$89.99 with free standard U.S. shipping. Applicable sales tax is calculated at checkout.
Bluetooth 5.0Pairs with the TOPDON CarPal appVehicle fitment varies
All-system scanCoverage depends on vehicle
Live dataView supported readings
6 service functionsNot available on every vehicle
Bluetooth 5.0Pair with a compatible phone
A clearer first look
Vehicle information,
within reach.
The TOPDON CarPal scanner connects to its companion app so you can explore supported vehicle diagnostics and maintenance information from your smartphone.
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Live data and reports
View supported vehicle data, review trends, and create reports to share with a technician.
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Battery check
Use the app to check supported battery voltage information and review readings.
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Smog readiness
Check supported I/M readiness information as a pre-inspection reference—not a guarantee of passing an official emissions test.
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Repair references
Access supported code information, repair references, technical bulletins, and component-location resources in the app.
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Phone-connected setup
Plug the dongle into the vehicle’s OBD-II port and pair it with the TOPDON diagnostic scanner app using Bluetooth.
Maintenance functions
Six functions.
Vehicle-dependent.
TOPDON lists these six service functions for the CarPal. Availability is determined by the vehicle, model year, system, and current app/software access.
01
Oil reset
Reset supported oil-service reminders after maintenance.
02
Throttle adaptation
Run supported throttle-body adaptation procedures where available.
03
EPB reset
Access supported electronic parking brake service/reset procedures.
04
BMS reset
Reset supported battery-management settings after battery service.
05
TPMS reset
Access supported tire-pressure monitoring reset functions.
06
DPF regeneration
Run supported diesel particulate filter service procedures when applicable.
Getting started
Plug in. Pair. Review.
Use the product manual and app prompts, and confirm the scanner is compatible with your exact vehicle.
Find the OBD-II port
With the vehicle safely parked, locate its OBD-II port—often under the dashboard—and connect the TOPDON CarPal dongle.
Open the TOPDON app
Install the TOPDON CarPal app from your device’s app store and follow its Bluetooth pairing and setup instructions.
Review supported results
Explore the scan and available functions. Diagnostic codes are clues, not a guaranteed diagnosis or repair recommendation.
Software, updates, and advanced functions
TOPDON’s product information says the CarPal includes one year of free software updates. It also states that core functions—including full vehicle health checks, reading and clearing codes, engine inspection, battery test, and smog check—remain accessible without renewal. Advanced maintenance functions may require a separate in-app purchase or subscription; confirm current terms and availability in the app before buying.
App features and fees can change. This storefront is independent and does not provide TOPDON software, support, or warranties.
Marketplace feedback
What buyers have shared.
AliExpress currently shows 4.3 out of 5 across 11 ratings on the linked seller listing. Only two distinct written comments were visible among the listing’s 11 ratings; their sentiments are paraphrased below and their original star ratings retained.
★★★★★ 5.0
“The buyer recommends the device and says it was able to read the car’s reported errors.”
AliExpress buyer review · paraphrased★☆☆☆☆ 1.0
“The buyer says the device did not detect anything and advises others not to buy.”
AliExpress buyer review · paraphrasedSource: AliExpress seller listing (11 ratings). This listing contains product variations; not all ratings include written comments or clearly identify the selected variant. These are paraphrased marketplace comments, not TorquePal customer reviews. We did not find 100 unique written reviews on the listing.
FAQ
Questions? All answered here.
Useful details about compatibility, app setup, and supported functions before you order.
Why does the storefront have a different name from the product?
TorquePal Garage is our store name. The product featured and sold here is the TOPDON CarPal scanner; the supplier photos show the original product and packaging.
Will CarPal work with my car?
Compatibility and supported functions depend on the vehicle’s make, model, year, region, and systems. Check TOPDON’s coverage information for the CarPal and your exact vehicle before ordering.
Does it have its own screen?
No. The TOPDON CarPal is a Bluetooth dongle that pairs with its companion smartphone app; the phone provides the interface.
Are all six maintenance functions included for every vehicle?
No. Function availability depends on vehicle support, and TOPDON notes that advanced maintenance functions may require a separate purchase or subscription. Verify current app terms before purchase.
Does a diagnostic code tell me exactly what to repair?
No. A code describes a reported condition and can have multiple causes. Use the information as a starting point and consult a qualified technician for diagnosis and repair decisions.
How does ordering work?
Checkout is securely processed by Stripe. The order total is $89.99 with free standard U.S. shipping plus any applicable sales tax shown before you pay. We currently ship to U.S. addresses only.
Ready to order?
TorquePal, at your fingertips.
Secure checkout · Free standard U.S. shipping · Applicable tax calculated at checkout
$89.99
Continue to checkout ↗CarPal product photos
A closer look at the dongle.
The product image shows the TOPDON CarPal plug-in diagnostic dongle and its retail box. The order includes one TOPDON CarPal Bluetooth OBD2 scanner.
Product imagery; packaging and available features may vary. One TOPDON CarPal Bluetooth OBD2 scanner is included.
Watch the demo
See the plug-in scanner in use.
Demo footage supplied for the TOPDON CarPal product. Vehicle and app compatibility varies.