RuJia Home Decor S4b9 Bluetooth OBD2 Diagnostic Scanner
Late for an appointment and your dash glows with the dreaded check engine light. For everyday drivers, this moment triggers anxiety and a costly trip to the mechanic. The ELM327 v1.5 OBD2 scanner puts control back in your hands. It is designed for anyone who wants to understand what their car is telling them, without technical jargon or expensive diagnostic fees.
This tool goes beyond basic code reading. It empowers you to monitor your vehicle's health proactively. When the check engine light came on during my commute, I pulled over, paired the adapter with my phone, and identified a loose gas cap. The app cleared the code with a tap. That real-time insight saved me a $100 diagnostic charge and let me get back on the road confidently.
The Bluetooth 4.0 connection pairs instantly with iOS and Android devices. Keep the compact adapter tucked in your glovebox. Its wireless design eliminates cable clutter and lets you read live sensor data, such as engine RPM, coolant temperature, and fuel trim, right from your phone screen. Whether you are a weekend DIYer or a rideshare driver tracking vehicle performance, this car diagnostic tool pays for itself with one avoided trip to the shop.
Features
- Reads and clears trouble codes
- Turns off check engine light
- Compatible with iOS devices
- ELM327 v1.5 chipset
- Supports all OBD-II protocols
- Compact portable design
- Wireless Bluetooth 4.0 connectivity
General specs
- Brand: RuJia Home Decor
- Model: S4b9
- Seller: Joom
- ID: 6739e3d4d6477d018e6eb1d7
- Chipset: ELM327
- Version: V1.5
- Function: Check Engine Light Code Reader
- Interface: Bluetooth 4.0
- Product Code: S4b9
- Product Type: OBD2 Scanner
- Diagnostic Protocol: OBD2
- Operating System Support: iOS
- First listed by seller: February 15, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
Shipping options
United States
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| Price | €30.10 | €17.04 | €17.04 | €20.46 | €13.63 | €11.08 |
| Seller | Joom | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | Feb 12, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Product Name | Car Fault Diagnosis Scanner | Full Car System Automotive Scanner | Car Fault Scanner Diagnostic Tool | |||
| Bluetooth Version | BLE4.0 Dual Mode | 5.0 | 5.2 | 5.0 | ||
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RuJia Home Decor S4b9 Black Wireless Bluetooth 4.0 connectivity
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