CROSSCHASM C5-BT Openxc Obd Interface Vi Dongle Bluetooth Bt

( Brand: Crosschasm ), ( Manufacturer Part Number: C5-BT ), ( Vehicle Type: Passenger Vehicle ), ( Connectivity: Bluetooth ), ( Obd Interface: Can, Obdii ), ( Country Of Origin: United States )

Review CROSSCHASM Openxc Obd ii Bt Vehicle Interface Vi Dongle Bluetooth fits C5

The **CrossChasm C5-BT OpenXC OBD-II C5 Bluetooth Interface Dongle** is a sophisticated and versatile diagnostic tool designed to bridge the gap between modern vehicles equipped with OBD-II (On-Board Diagnostics) protocols and Bluetooth-enabled devices, offering seamless connectivity for real-time vehicle diagnostics, telemetry, and data logging. Engineered with precision, this compact yet powerful Bluetooth OBD-II interface leverages the **OpenXC framework**, a cutting-edge platform that supports a wide array of automotive protocols, including **ISO 9141-2, ISO 14230-4 (KWP2000), ISO 15031-5 (SAE J1850 PWM), ISO 15765-4 (CAN), and SAE J1939**, ensuring compatibility with nearly all OBD-II compliant vehicles manufactured since the mid-1990s. The C5-BT s **Bluetooth 4.0 (BLE) connectivity** enables wireless communication with smartphones, tablets, laptops, and other IoT devices, eliminating the need for cumbersome wired connections while maintaining robust data transfer speeds and low latency. Its **USB-C port** allows for direct connection to a host device for additional functionality, such as firmware updates, advanced diagnostics, or integration with custom applications via the OpenXC API. Built with durability in mind, the dongle features a **rugged, compact design** that resists environmental interference, making it ideal for both professional fleet management and DIY enthusiasts who demand reliability in dynamic conditions. Whether used for **real-time monitoring of engine performance, emissions tracking, fault code retrieval, or integration with third-party apps** like Torque, OpenXC s companion app, or custom dashboards, the C5-BT delivers unparalleled flexibility and insight into a vehicle s health and behavior. Its **low-power operation** extends battery life in portable applications, while its **open-source compatibility** encourages developers to expand its capabilities through custom scripts and plugins. Perfect for automotive engineers, mechanics, fleet operators, or tech-savvy drivers seeking granular control over their vehicle s diagnostics, the CrossChasm C5-BT OpenXC OBD-II Bluetooth Dongle represents a seamless fusion of innovation and practicality, empowering users to harness the full potential of their vehicle s data ecosystem.

The **Crosschasm C5-BT OpenXC OBD-II Bluetooth Interface (VIA Dongle)** is a device designed to connect vehicles with OBD-II ports to smartphones or computers via Bluetooth for diagnostics, telemetry, and data logging. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Compatibility with OpenXC Ecosystem**

The C5-BT is designed specifically for the OpenXC platform, which is an open-source framework for vehicle data collection and analysis. This means it integrates seamlessly with OpenXC s software stack, including apps like OpenXC Dashboard, OpenXC Logger, and third-party apps that support OpenXC protocols. Users who are already invested in the OpenXC ecosystem will find this device highly useful.

2. **Bluetooth Connectivity**

Unlike wired OBD-II adapters, the C5-BT uses Bluetooth, eliminating the need for USB cables or constant physical connections. This makes it convenient for logging data over extended periods, especially in vehicles where a wired connection might be impractical (e.g., while driving or in remote locations). Bluetooth also allows for wireless data transfer to smartphones or tablets.

3. **Lightweight and Portable**

The device is compact and lightweight, making it easy to carry and install in various vehicles. It can be mounted near the OBD-II port (typically under the dashboard) without taking up much space. Its small size also reduces the risk of damage or interference with other vehicle components.

4. **Open-Source and Customizable**

OpenXC is an open-source project, meaning users can access and modify the firmware or software as needed. This flexibility is beneficial for developers, hobbyists, or researchers who want to tailor the device to specific use cases, such as custom data logging, vehicle monitoring, or integration with other IoT platforms.

5. **Low Power Consumption**

Bluetooth Low Energy (BLE) is used for communication, which consumes less power compared to traditional Bluetooth. This means the device can run for extended periods without draining the vehicle s battery significantly, especially if the vehicle s electrical system is stable.

6. **Support for Advanced Diagnostics**

The C5-BT supports standard OBD-II protocols (e.g., ISO 9141, ISO 14230, SAE J1850) and can retrieve a wide range of vehicle data, including engine diagnostics, fuel efficiency, emissions data, and real-time telemetry. This makes it useful for both casual users and professionals who need detailed vehicle insights.

7. **Community and Developer Support**

OpenXC has a active community of developers and users who contribute to documentation, troubleshooting, and software improvements. This means users can find help, share knowledge, and access updates more easily compared to proprietary solutions.

8. **No Need for Additional Hardware**

Unlike some OBD-II adapters that require additional dongles or bridges to connect to Bluetooth, the C5-BT combines the OBD-II interface and Bluetooth functionality in a single device. This simplifies the setup process and reduces potential points of failure.

---

### **Cons**

1. **Limited to OpenXC Ecosystem**

One of the biggest drawbacks is that the C5-BT is not compatible with all OBD-II software or apps. It primarily works with OpenXC-compatible applications, which may not be as widely adopted as proprietary solutions (e.g., OBDLink, ELM327-based apps). Users who rely on popular apps like Torque, DashCommand, or Lightweight OBD-II may need additional software bridges or may not be able to use the device at all without workarounds.

2. **Potential for Software Complexity**

OpenXC requires some technical knowledge to set up and configure, especially for advanced use cases like custom data logging or integration with external systems. Beginners may find the setup process more cumbersome compared to plug-and-play OBD-II adapters that work with mainstream apps.

3. **Bluetooth Range Limitations**

Bluetooth connectivity is limited by range (typically 10 30 meters in ideal conditions) and can be affected by interference from other electronic devices in the vehicle (e.g., infotainment systems, key fobs, or other Bluetooth peripherals). Users may experience connectivity issues if the device is placed too far from the smartphone or if the vehicle s electrical environment is noisy.

4. **Dependence on Vehicle s OBD-II Port**

The device relies on the vehicle s OBD-II port being functional and properly connected. If the port is damaged, disconnected, or not compliant with OBD-II standards, the C5-BT will not work. Some older or non-compliant vehicles may not support OBD-II diagnostics at all.

5. **No Built-in Display or Standalone Functionality**

Unlike some OBD-II devices that include built-in displays or standalone dashboards, the C5-BT is purely a data bridge. It requires a smartphone, tablet, or computer to display or log data. This means users must rely on external devices to visualize or analyze the data, which can be less convenient than a standalone unit.

6. **Potential for Firmware Updates**

OpenXC may release firmware updates to improve functionality or fix bugs. While this is generally a positive aspect of open-source projects, it also means users must periodically check for updates and ensure their device is compatible with the latest software versions. Failure to update could result in limited functionality or compatibility issues.

7. **Cost Relative to Alternatives**

The C5-BT is priced competitively with other OBD-II Bluetooth adapters, but it may be more expensive than basic ELM327-based adapters (e.g., generic OBD-II Bluetooth dongles). However, the added value of OpenXC compatibility and advanced features may justify the cost for users who need those specific capabilities.

8. **Limited Commercial Support**

Since OpenXC is community-driven, users may not have access to dedicated commercial support for hardware issues or troubleshooting. While the community is generally helpful, resolving hardware problems may require more effort compared to purchasing from a company with official support channels.

---

### **Conclusion**

The **Crosschasm C5-BT OpenXC OBD-II Bluetooth Interface** is an excellent choice for users who are already invested in the OpenXC ecosystem, developers, or those who need advanced vehicle telemetry and custom data logging. Its Bluetooth connectivity, lightweight design, and open-source flexibility make it a powerful tool for projects requiring deep integration with vehicle data. However, its limitations such as the need for OpenXC-compatible software, potential software complexity, and Bluetooth range issues may make it less ideal for casual users who prefer plug-and-play solutions with mainstream OBD-II apps.

For most everyday users who simply want to monitor basic vehicle diagnostics (e.g., fuel efficiency, error codes) using popular apps like Torque or DashCommand, a generic ELM327-based OBD-II Bluetooth adapter (e.g., OBDLink SX, Vgate OV100) may be a more straightforward and widely compatible alternative. However, if you are working on a custom project, contributing to OpenXC, or need advanced vehicle data capabilities, the C5-BT is a robust and innovative choice.

---

### **Recommendation**

- You are already using or planning to use OpenXC software.

- You need advanced vehicle telemetry, custom data logging, or integration with IoT platforms.

- You are comfortable with some technical setup and open-source software.

- You prioritize Bluetooth connectivity and portability over compatibility with mainstream OBD-II apps.

- You want a simple, plug-and-play solution that works with popular OBD-II apps like Torque or DashCommand.

- You are not familiar with OpenXC or open-source software and prefer a more user-friendly experience.

- You expect to use the device in environments with significant Bluetooth interference or require long-range connectivity.

For most casual users, a **generic ELM327-based OBD-II Bluetooth adapter** (e.g., OBDLink SX, Vgate OV100) is likely sufficient and easier to use. However, for enthusiasts, developers, or those with specific OpenXC needs, the C5-BT is a well-designed and capable device. Always ensure your vehicle s OBD-II port is functional before purchasing.

Details:

It connects to the only. In great shape and warranted non-DOA. A crossover cable is needed to access a secondary CAN bus. The C5 BT is a very compact interface, so its great for fleet deployments.

It uses standard, well-known tools to open up a wealth of data from the vehicle developers, even beyond OBD-II. OpenXC is a combination of open source hardware and software that let's you extend your vehicle with custom applications plug gable modules. The OpenXC Platform. Please for more quality electronic equipment.

Dropped or otherwise abused your Hymnbook.

part #: c5-bt price

• $52.00

specifications codereadescanne:

• brand: Crosschasm
• mpn: C5-bt
• vehicle type: Passenger Vehicle
• connectivity: Bluetooth
• obd interface: Can, Obdii
• country of origin: United States

general codereadescanne:

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

shipping codereadescanne:

• transit: 3-8 Days
• service: Standard
• cost: $7.99
• class: Standard
• type: Fixed

returns codereadescanne:

• policy: No Returns

payments codereadescanne:

• other
• wallet: Apple-pay
• credit card: Mastercard

offer codereadescanne:

• sold: 0
• started: April 29, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 6

seller codereadescanne:

• rating: 99.8%
• city: Oakland, California
• # reviews: 9780