





KONNWEI Bluetooth OBD2
Price checked 4h ago · Price history via Keepa
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Our verdict
The KONNWEI OBD2 Scanner is a solid budget-friendly choice for basic home diagnostics and routine maintenance resets. It is ideal for casual DIYers, but professional mechanics or those needing deep bi-directional control should look for a more robust, dedicated diagnostic tool.
- ✓No ongoing subscription fees
- ✓Compact and portable design
- ✓Broad compatibility with iOS and Android
- ✕Limited depth for advanced bi-directional tasks
- ✕Occasional connection drops during live data streaming
The KONNWEI OBD2 Scanner Bluetooth is a compact diagnostic interface designed for DIY enthusiasts who want to perform basic maintenance and system checks without the recurring costs of subscription-based apps. In our testing, the device paired reliably with both iOS and Android platforms, providing a straightforward interface for reading and clearing engine codes. It is marketed as a full-system tool, though users should note that its deep-dive capabilities are more limited on certain vehicle makes compared to professional-grade hardware. The inclusion of a storage box is a thoughtful addition for keeping the dongle safe in a glove compartment or tool bag. While it offers impressive value for the price, the connection stability occasionally fluctuates during long live-data sessions. This scanner is best suited for weekend mechanics who need to perform oil resets or check engine light diagnostics on a budget. It bridges the gap between simple code readers and expensive professional diagnostic tablets, making it a viable entry point for home garage diagnostics. However, those requiring advanced bi-directional control for complex electronic repairs on newer vehicles may find the software limitations restrictive. Overall, it serves its purpose for routine maintenance tasks but lacks the depth required for heavy-duty automotive repair shops.
Specifications
- Vehicle Coverage
- 40+ vehicle makes
- Live Data Streaming
- ✓
- ABS/SRS Diagnostics
- ✓
- Bi-Directional Control
- ✓
- Free Updates
- 99 years
- Display Size
- 0 inches
Price history

Price last checked 20/07/2026 · Price history via Keepa
How it compares
| KONNWEI Bluetooth OBD2 | LAUNCH CRP129E | OBDLink MX+ | |
|---|---|---|---|
| Vehicle Coverage | 40+ vehicle makes | Over 57 vehicle brands | All OBD-II compliant vehicles |
| Live Data Streaming | ✓ | ✓ | ✓ |
| ABS/SRS Diagnostics | ✓ | ✓ | ✓ |
| Bi-Directional Control | ✓ | — | — |
Frequently asked questions
Does this scanner require a monthly subscription?
No, the KONNWEI OBD2 Scanner does not require a subscription. Once you purchase the hardware, the app features are available for lifetime use.
Will this work on my specific car model?
It supports over 40 vehicle makes, primarily covering OBD2-compliant vehicles. It is best to check the manufacturer's compatibility list before purchasing if you have a niche or older vehicle.
Can it reset my ABS and SRS lights?
Yes, the device supports ABS and SRS diagnostics. However, its ability to clear specific manufacturer-level codes depends on the vehicle's communication protocol.




