1. Code Readers & Scanners Diagnostic Service Tools Motors For Sale
  2. sku: 10038754399843892
  3. TOPDON 110355D4L40144

TOPDON 110355D4L40144 Topscan Obd Bluetooth Scanner

110355d4l40144 Topdon Topscan Obd 2 Obd-ii Bluetooth Computer Scanner

( Brand: Topdon ), ( Manufacturer Part Number: 110355D4L40144 ), ( Supported System: Abs, Srs, Tpms ), ( Accessories: User Guide ), ( Unit Type: Unit ), ( Vehicle Type: Passenger Vehicle, Heavy Duty/commercial ), ( Connectivity: Bluetooth ), ( Obd Interface: Obd, Obdii, Can ), ( Features: Erases Codes, Check Engine Light Shut Off, Built-in Battery, Freeze Frame Displays, Internet Updateable, User Friendly ), ( Country Of Origin: China )

Review TOPDON Topscan Obd ii Bluetooth Computer Scanner

The **Topdon 110355D4L40144 Topscan OBD-II Bluetooth Scanner** is a versatile and cutting-edge diagnostic tool designed to provide professional-grade vehicle diagnostics with the convenience of wireless connectivity. This advanced OBD-II scanner leverages Bluetooth technology to seamlessly connect to smartphones, tablets, or laptops running compatible diagnostic software, eliminating the need for cumbersome cables and allowing users to perform real-time diagnostics on the go. Built with a robust and user-friendly interface, the Topscan OBD-II scanner supports a wide range of vehicle makes and models, spanning from 1996 to present-day vehicles that comply with OBD-II standards, including those manufactured by major automakers like Ford, Chevrolet, Toyota, Honda, and many others. Its compact yet durable design ensures portability, making it an ideal choice for mechanics, DIY enthusiasts, and fleet managers who require efficient and accurate diagnostic capabilities without the bulk of traditional scan tools.

At the heart of the Topscan OBD-II scanner is its ability to read and clear a comprehensive array of diagnostic trouble codes (DTCs), including pending codes, freeze-frame data, and live data streams, which provide critical insights into engine performance, emissions systems, and other vehicle functions. The device also supports advanced features such as **I/M readiness monitoring**, **OBD-II system tests**, and **enhanced live data logging**, allowing users to monitor real-time sensor readings like throttle position, oxygen sensor voltage, fuel trim, and more. This level of detail empowers users to pinpoint issues with precision, whether troubleshooting a misfire, diagnosing an emissions-related problem, or monitoring vehicle health during routine maintenance. The Bluetooth connectivity ensures smooth data transfer to devices running software like **Topdon s proprietary apps** or third-party tools such as **Torque Pro, OBD Fusion, or DashCommand**, expanding its functionality and customization options.

Beyond its diagnostic capabilities, the Topscan OBD-II scanner is engineered for reliability and ease of use. Its **auto-detecting interface** simplifies the connection process, automatically identifying the vehicle s communication protocol (such as ISO 9141, SAE J1850 PWM, SAE J1850 VPW, or CAN) to ensure seamless communication. The device also features a **backlit display** for clear visibility in low-light conditions, along with intuitive navigation buttons for effortless menu browsing. Its **battery-powered operation** (via included USB or car power adapter) ensures flexibility, allowing users to perform diagnostics without being tethered to a vehicle s electrical system. Additionally, the Topscan OBD-II scanner is compatible with **Windows, macOS, and Android/iOS platforms**, making it a versatile tool for both professional workshops and personal garages.

For users seeking a balance between affordability and functionality, the Topscan OBD-II scanner delivers exceptional value. Unlike high-end professional diagnostic tools that can cost thousands of dollars, this scanner offers a cost-effective solution for accessing professional-grade diagnostics without compromising on performance. It is particularly well-suited for **DIY mechanics, students learning automotive diagnostics, and small shops** looking to expand their diagnostic capabilities without a significant investment. The scanner s **regular firmware updates** ensure compatibility with the latest vehicle models and diagnostic protocols, keeping it relevant in an ever-evolving automotive industry. Whether you're checking for check engine light codes, monitoring fuel efficiency, or preparing for an emissions test, the Topdon Topscan OBD-II Bluetooth Scanner provides a powerful, user-friendly, and portable solution for all your vehicle diagnostic needs.

The **TopDon 110355D4L40144 Topscan OBD-II Bluetooth Scanner** is a mid-range diagnostic tool designed for basic vehicle diagnostics, troubleshooting, and monitoring. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Bluetooth Connectivity**

The device supports Bluetooth connectivity, allowing it to pair with smartphones, tablets, or laptops running compatible OBD-II diagnostic software (such as Torque, OBD Fusion, or manufacturer-specific apps). This eliminates the need for a wired connection, making it more convenient for on-the-go diagnostics.

2. **Wide Vehicle Compatibility**

It is compatible with most OBD-II vehicles manufactured after 1996 (in the U.S.) and adheres to the OBD-II standard (ISO 15031-6). This means it works with a broad range of makes and models, including many European, Asian, and American cars.

3. **Basic Diagnostic Functions**

The scanner can read and clear trouble codes (DTCs), retrieve live data streams (e.g., engine RPM, fuel trim, oxygen sensor readings, and other sensor data), and perform basic system checks. This is useful for identifying common issues like misfires, oxygen sensor failures, or throttle position sensor malfunctions.

4. **Affordable Price**

Compared to professional-grade diagnostic tools (e.g., Launch X431, Autel MaxiCOM), this scanner is relatively inexpensive, making it accessible for hobbyists, DIY mechanics, and budget-conscious consumers.

5. **Portability**

The device is compact and lightweight, making it easy to carry in a glove compartment or toolbox. Its small size does not hinder its functionality for basic diagnostics.

6. **Compatibility with Popular Apps**

It works seamlessly with widely used OBD-II apps like Torque Pro (Android/iOS) and OBD Fusion, which offer advanced features such as historical data logging, custom graphs, and alerts for abnormal readings.

7. **No Subscription Required**

Unlike some premium diagnostic tools that require paid subscriptions for full functionality, this scanner operates with free or low-cost software, reducing long-term costs.

8. **Easy to Use**

The setup process is straightforward: plug the device into the OBD-II port (typically located under the dashboard), pair it via Bluetooth, and connect it to a compatible app. No complex wiring or additional hardware is required.

9. **Useful for Emissions Testing**

It can read and clear codes that may appear during emissions tests, helping drivers pass inspections by addressing minor issues before the test.

10. **Good for Learning**

For beginners or those interested in automotive diagnostics, this scanner provides a hands-on way to learn about vehicle systems, error codes, and troubleshooting techniques.

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### **Cons**

1. **Limited Advanced Diagnostics**

Unlike professional-level scanners, this device does not support advanced functions such as:

- **Factory-specific diagnostics** (e.g., accessing manufacturer-specific modules like ABS, SRS, or transmission control units).

- **Bi-directional control** (sending commands to adjust or test components).

- **Full system scans** (e.g., checking all ECU modules in a vehicle, which is common in high-end tools).

This limits its usefulness for complex repairs or diagnosing issues beyond the engine control module (ECM).

2. **Dependence on Third-Party Software**

While the scanner itself is functional, its capabilities are largely dependent on the quality and features of the OBD-II app you use. Some free apps may lack advanced features or have limitations (e.g., Torque Pro has a free version with ads and restrictions). Paid apps may be required for full functionality.

3. **No Built-in Display**

The scanner does not have its own screen or buttons. All interactions must be done through a paired smartphone or tablet, which can be inconvenient if you don t have a device handy or if the screen is difficult to view (e.g., in bright sunlight).

4. **Bluetooth Reliability Issues**

Some users report occasional connectivity problems, such as dropped connections or slow data transfer, especially if the Bluetooth signal is weak (e.g., due to interference or distance from the vehicle). This can disrupt diagnostics mid-session.

5. **No Support for Older Vehicles**

While it works with most OBD-II vehicles, it may not support older vehicles that use non-OBD-II protocols (e.g., some pre-1996 cars or vehicles with legacy systems). Additionally, some hybrid or luxury vehicles may require more advanced tools for full diagnostics.

6. **Limited Warranty or Customer Support**

The warranty and customer support for budget-friendly scanners like this one may be less robust compared to higher-end tools. Issues may require returning the device to the manufacturer or dealing with generic support channels.

7. **No Physical Buttons or Menu Navigation**

Since all navigation is done via the app, users who prefer physical buttons or on-screen menus may find the experience less intuitive or slower.

8. **Potential for Counterfeit or Low-Quality Units**

Given its popularity, there is a risk of purchasing a counterfeit or low-quality version, especially if buying from unauthorized sellers. Authenticating the product from a reputable retailer (e.g., Amazon, RockAuto, or the manufacturer s website) is advisable.

9. **No VIN or Vehicle Identification**

The scanner does not automatically retrieve the vehicle s VIN or other identification details. Users must manually input this information into the app, which can be time-consuming.

10. **Limited Use for Non-Engine Systems**

While it can read some non-engine-related codes (e.g., ABS or SRS), it lacks the depth required for comprehensive diagnostics of these systems. For example, it may not provide detailed ABS or transmission diagnostics like a dedicated scanner would.

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### **Conclusion**

The **TopDon 110355D4L40144 Topscan OBD-II Bluetooth Scanner** is a solid choice for **basic OBD-II diagnostics, troubleshooting, and monitoring** for hobbyists, DIY mechanics, and budget-conscious consumers. It excels in simplicity, affordability, and compatibility with a wide range of vehicles, making it ideal for:

- Reading and clearing trouble codes.

- Monitoring live data streams (e.g., engine performance, sensor readings).

- Passing emissions tests by addressing minor issues.

- Learning about vehicle diagnostics without investing in expensive equipment.

However, it is **not a replacement for professional-grade diagnostic tools** for advanced repairs, factory-specific diagnostics, or complex system checks. Its limitations in advanced functionality, reliance on third-party software, and lack of a built-in display make it less suitable for professional mechanics or those needing deep diagnostic capabilities.

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### **Recommendation**

**Buy the TopDon Topscan OBD-II Scanner if:**

- You need a **budget-friendly, portable tool** for basic OBD-II diagnostics.

- You primarily work with **engine-related issues** (e.g., misfires, sensor failures, fuel system problems).

- You are comfortable using **smartphone apps** (e.g., Torque Pro, OBD Fusion) for diagnostics.

- You want a tool that is **easy to use and carry** for occasional troubleshooting.

- You are a **hobbyist or DIY mechanic** looking to learn about vehicle diagnostics.

**Avoid the TopDon Topscan OBD-II Scanner if:**

- You require **advanced diagnostics** (e.g., ABS, transmission, SRS, or hybrid-specific diagnostics).

- You need **bi-directional control** (e.g., testing actuators or adjusting components).

- You prefer **professional-grade tools** with built-in displays and comprehensive vehicle coverage.

- You frequently work on **luxury, hybrid, or electric vehicles** that require specialized scanners.

- You prioritize **reliability and customer support** over cost, as budget tools may have limitations in these areas.

**Alternatives to Consider:**

- For **higher-end diagnostics**, consider tools like the **Launch X431 V**, **Autel MaxiCOM K-Pro**, or **Foxwell NT510**.

- For **simplicity and reliability**, the **ANCEL VD500** or **OBDLink LX** are also strong budget options.

- If you want **free software compatibility**, the **OBDLink SX** or **BlueDriver** (for Android) are worth exploring.

In summary, the TopDon Topscan is a **great entry-level OBD-II scanner** for basic needs but should not be expected to perform advanced diagnostics. Pair it with a reliable app (e.g., Torque Pro) and manage expectations based on its limitations.

Details:

The Topdon'topscan OBD2 scanner is a reliable and user-friendly diagnostic tool that supports ABS, SRS, TPMS systems. If you re not an avid Dyer or mechanic on vehicles then this is NOT the scanner for you. Rechargeable via USB-C connection. The unit also comes with a user guide for easy operation.

Unit is very comprehensive and not for the faint of heart. APP is available to download your smart phone via the QR code on scanner. Don't need it anymore. With Bluetooth connectivity and the ability to update online, this scanner is perfect for both passenger vehicles heavy-duty/commercial.

It features a built-in battery, freeze frame displays, and the ability to erase codes. I used this once on my Z71 last summer. Went to an old school truck pre OBD. No longer have the Z71.

Been stored since then.

part #: 110355d4l40144 price

  • $75.00

specifications codereadescanne:

  • brand: Topdon
  • mpn: 110355d4l40144
  • supported system: Abs, Srs, Tpms
  • accessories: User Guide
  • unit type: Unit
  • vehicle type: Passenger Vehicle, Heavy Duty/commercial
  • connectivity: Bluetooth
  • obd interface: Obd, Obdii, Can
  • features: Erases Codes, Check Engine Light Shut Off, Built-in Battery, Freeze Frame Displays, Internet Updateable, User Friendly
  • country of origin: China

shipping codereadescanne:

  • service: USPS Ground Advantage
  • type: Calculated
  • transit: 3-7 Days
  • carrier: USPS
  • class: Standard
  • cost: $6.58

general codereadescanne:

  • condition: Used
  • Automotive Tools Supplies > Diagnostic Service Tools > Code Readers Scanners

returns codereadescanne:

  • policy: No Returns

offer codereadescanne:

  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: May 25, 2026
  • options: Ship-to-home
  • best offers: True

seller codereadescanne:

  • rating: 100.0%
  • # reviews: 849
  • city: Quitman, Texas

payments codereadescanne:

  • other
  • credit card: Discover
  • wallet: Apple-pay
supported system: abs, srs, tpms, accessories: user guide, unit type: unit, vehicle type: passenger vehicle, heavy duty/commercial, connectivity: bluetooth, obd interface: obd, obdii, can, features: erases codes, check engine light shut off, built-in battery, freeze frame displays, internet updateable, user friendly, country of origin: china,
category: auto parts > tools supplies > diagnostic service tools > code readers scanners, sku: 10038754399843892,
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1 offer $75.00 USD
  • Used. Offer #1 priced at $75.00 + $6.58 shipping estimate = $81.58* total. APP is available to download to your smart phone via the QR code on the scanner. No longer have the Z71.+$6.58 shipping

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