The OBD-II port in your car is incredibly versatile, acting as a gateway to your vehicle’s data for diagnostics, performance monitoring, and even adding smart features. From heads-up displays to telematics devices, the possibilities are vast. However, the limitation of a single OBD2 port can be frustrating when you want to use multiple gadgets simultaneously. This is where the Best Obd2 Splitter comes into play, offering a simple yet effective solution to expand your connectivity.
This article dives deep into the world of OBD2 splitters, exploring the top options available and guiding you on how to choose the right one for your needs. We’ll analyze key features, compatibility factors, and present a curated list of the best OBD2 splitters on the market to help you make an informed decision.
Key Considerations Before Choosing an OBD2 Splitter
Before we delve into the best OBD2 splitters, it’s crucial to understand the factors that differentiate them and impact their suitability for your specific application. Here are the essential aspects to consider:
- Cable Length: OBD2 splitter cable lengths vary significantly, from compact 6-inch options to more extended 2-foot cables. Longer cables offer greater flexibility in device placement, which can be beneficial if you need to position devices away from the OBD2 port or conceal them. Shorter cables are less obtrusive and may be preferable in tighter spaces. The ideal length depends on your vehicle’s interior layout and the intended locations of your connected devices.
- Flexibility and Durability: The physical construction of the OBD2 splitter cable is vital. Look for splitters with flexible cables to minimize strain on the OBD2 port and connected devices, especially in tight spaces or when routing cables. Durability is equally important; a robust cable and well-constructed connectors will ensure longevity and reliable performance. Avoid brittle or stiff cables that are prone to damage from bending or twisting.
- Compatibility: Ensuring compatibility is paramount. This involves two key aspects:
- OBD2 Protocol Compatibility: The best OBD2 splitters should support all standard OBD2 protocols, including CAN (Controller Area Network), to ensure seamless communication with a wide range of vehicles and diagnostic tools.
- Device Compatibility: Consider the types of devices you intend to connect. Some splitters may be better suited for specific applications, such as diagnostic scanners, GPS trackers, or telematics devices. Check if the splitter is designed to handle the power and data requirements of your intended devices, especially when connecting multiple devices simultaneously.
With these factors in mind, let’s explore some of the top OBD2 splitters currently available, examining their features, pros, and cons. This will equip you with the knowledge to select the best OBD2 splitter to meet your automotive connectivity needs.
Best OBD2 Splitter: Top Recommendations
| OBD2 Splitter | No. of Pin Sockets | Length | Key Features | Buy Now |
|---|---|---|---|---|
| Bbfly OBD2 Splitter | 16 pins | 2FT/60CM | Flexible, durable, flat cable, 16-pin pass-through | Check On Amazon |
| Vgate OBD2 Splitter | 16 pins | 30cm/1ft | Sturdy, thermoplastic rubber cable, 16-pin pass-through, compact design | Check On Amazon |
| OLLGEN OBD2 Splitter | 16 pins | 6ft/50cm | Right-angle connector, flexible, 16-pin pass-through, 3 female extensions | Check On Amazon |
| AUTO METER OBD2 Splitter | 6 pin Male and 16 Female | 10 inch | Pass-through OBD applications, robust build, suitable for GPS trackers | Check On Amazon |
| iKKEGOL OBD2 Splitter | 1 x male and 2 x female | 12 inch | Ultra-low profile, right/left angle options, simultaneous device connection | Check On Amazon |
| Fotag OBD2 Splitter | 16pin Male to Female | 30 cm / 12 inch | Heavy-duty build, 3-way splitter, robust connections | Check On Amazon |
| DUOYI OBD2 Splitter | 16-Pin | 350mm | Reinforced nylon, durable, waterproof, enhanced data transmission | Check On Amazon |
| OBDResource OBD2 Splitter | 16-Pin | 60cm/24inch/2feet | Right-angle male connector, flexible, 2-in-1 design, daisy-chain option | Check On Amazon |
Best OBD2 Splitter Reviews: Detailed Look
Let’s delve deeper into each of these best OBD2 splitter options, providing a more detailed review to help you determine the ideal choice for your needs.
1. Bbfly OBD2 Splitter
Bbfly OBD2 Splitter
Alt text: Bbfly OBD2 Splitter, a black flat cable with OBD2 male and female connectors.
The Bbfly OBD2 Splitter is a 2-in-1 extension cable designed to enhance the functionality of your OBD2 port. Its flat cable design offers excellent flexibility, making it compatible with various vehicle configurations and easy to route in tight spaces. Durability is a key feature of the Bbfly splitter, ensuring long-lasting performance. All 16 pins are connected for stable data transmission, including power and ground, supporting all standard OBDII protocols, including CAN. This best OBD2 splitter option is known for its low-profile, ultra-flat design, making it discreet and easy to integrate into your car’s interior.
Features:
- Connector Type: 1 male to 2 female OBD2 connectors
- Length: 24 inches (60 cm)
- Material: Flexible and durable materials
- Pin Configuration: 16-pin pass-through for full OBD2 protocol support
- Daisy-chain capability for extended reach
- Wire Gauge: 26AWG
Pros:
- Highly adaptable and robust construction
- Universal compatibility with OBDII protocols, including CAN
- Low-profile design for discreet installation
Cons:
- Internal connections are insulated with hot glue instead of heat shrink, potentially affecting long-term durability in extreme temperatures.
- No on/off switch for power control.
2. Vgate OBD2 Splitter
Vgate OBD2 Splitter Cable
Alt text: Vgate OBD2 Splitter, a sturdy black cable with male to female OBD2 connectors.
The Vgate OBD2 Splitter is a robust 30cm/1ft extension cable built for durability and reliability. Constructed with high-grade thermoplastic rubber, this cable is both flexible and resilient, capable of withstanding frequent use. Its sturdy design ensures it can handle demanding applications, making it a reliable best OBD2 splitter contender. Like the Bbfly, it features a 16-pin pass-through configuration, supporting all OBDII protocols. The Vgate splitter also facilitates easy cable direction adjustment for convenient installation.
Features:
- Connector Type: 16-pin male to dual 16-pin female OBD II connectors
- Length: 30cm/1ft
- Material: High-grade thermoplastic rubber
- Functionality: Allows connection of two OBD diagnostic tools simultaneously
- Compatibility: Scans any OBD2 DLC, supports all OBDII protocols
- Pin Configuration: All pins open for pass-through
Pros:
- Highly adaptable and robust for demanding use
- Supports all OBDII protocols, including CAN
- Low-profile, compact design
- Enables simultaneous connection of two devices
- Full pin pass-through for comprehensive functionality
Cons:
- Similar to the Bbfly, internal connections use hot glue insulation instead of heat shrink.
- Lacks a power on/off switch.
3. OLLGEN OBD2 Splitter
OLLGEN OBD2 Splitter Cable Extension
Alt text: OLLGEN OBD2 Splitter Cable, featuring a right-angle OBD2 connector and three female extensions.
The OLLGEN OBD2 Splitter distinguishes itself with its right-angle connector, a valuable feature for installations in tight spaces or where cable routing is restricted. This splitter cable is 1.6ft/50cm long, offering a balance of reach and manageability, and is constructed with a flexible wire for easy installation. It features a full 16-pin pass-through, ensuring compatibility with all OBD2 protocols and vehicles equipped with an OBD2 port. The OLLGEN splitter allows for the connection of up to three OBD devices simultaneously, enhancing its versatility as a best OBD2 splitter option.
Features:
- Material: High-quality, durable materials
- Cable: Flexible and durable
- Ports: 1 male to 3 female OBD2 extensions
- Pin Configuration: 16-pin diagnostic socket, full pass-through
- Length: 1.6ft/50cm
Pros:
- Flat and pliable cable suitable for diverse applications
- Plug-and-play simplicity
- Enables simultaneous use of up to three devices
- Ideal for connecting GPS trackers and other OBD accessories
- Full 16-pin pass-through for complete OBD2 functionality
Cons:
- Connector orientation is fixed and cannot be flipped, which might be inconvenient in certain setups.
- No power on/off switch.
4. AUTO METER OBD2 Splitter
AUTO METER OBD2 Splitter
Alt text: AUTO METER OBD2 Splitter, a short and robust cable with male and female OBD2 connectors.
The AUTO METER OBD2 Splitter is designed for pass-through OBD applications, particularly well-suited for GPS trackers and similar devices. Users appreciate its robust construction and ease of use. Its 10-inch length is practical for discreetly tucking away GPS trackers and other compact devices. This splitter connects to the vehicle’s OBD-II port and provides power for additional devices. It features a 16-pin male and 16-pin female connector configuration, ensuring reliable network connectivity and compatibility with J1962 OBD-II standards. The AUTO METER splitter is a reliable and straightforward choice for users prioritizing pass-through functionality, making it a strong contender for the best OBD2 splitter for specific applications.
Features:
- Connectivity: Connects to vehicle’s OBD-II port
- Connectors: 16-pin male and 16-pin female
- Fit: Universal OBD-II fit
- Length: 10-inch straight wires
- Standards Compliance: J1962 OBD-II compliant
Pros:
- Simple and diagnostically effective
- Supports CAN and all standard OBD2 protocols
- Compatible with 16-pin socket adapters
Cons:
- The primary port connection may feel slightly loose for some users.
5. iKKEGOL OBD2 Splitter
iKKEGOL Ultra Low Profile OBD2 Splitter
Alt text: iKKEGOL Ultra Low Profile OBD2 Splitter, showcasing its compact right-angle design.
The iKKEGOL OBD2 Splitter stands out with its ultra-low profile and right/left angle connector options. This splitter is designed to neatly enhance your car’s OBD II port by allowing simultaneous connections of two devices without creating dashboard clutter. Its sleek design integrates seamlessly with vehicle interiors, providing a clean and organized look. Featuring direct pass-through on multiple pins, the iKKEGOL splitter ensures reliable connectivity and compatibility with standard OBD2 protocols. Its flexible 30cm length facilitates easy maneuvering and discreet placement, making it an excellent best OBD2 splitter for users prioritizing aesthetics and functionality.
Features:
- Type: OBD II signal splitter cable
- Head Type: OBD2, Car side: Right/Left Angle J1962 male, Device side: Dual straight J1962 female
- Functionality: Simultaneous connection for two devices
- Wire Configuration: 16 Pin-to-Pin pass-through
- Length: 30 CM/12″
- Weight: 90g/3.15oz
Pros:
- Efficient simultaneous device connection
- Neat and discreet installation due to low profile design
- Reliable performance with standard OBD2 protocols
- Flexible and easily concealed design
Cons:
- Compatibility may be limited with certain devices; users should verify compatibility beforehand.
6. Fotag OBD2 Splitter
Fotag OBD2 1 to 3 Splitter
Alt text: Fotag OBD2 1 to 3 Splitter, a robust splitter with one male and three female OBD2 connectors.
The Fotag OBD2 Splitter, specifically the 1 to 3 splitter model, is engineered for demanding applications requiring a robust and durable OBD2 connection. Its heavier construction, compared to other splitters, underscores its resilience and suitability for stress-intensive use. This 3-way splitter allows for simultaneous connection of up to three devices, making it a highly versatile option and a strong contender for the best OBD2 splitter for users needing multiple connections. While its spherical shape might limit dashboard integration in some vehicles, its cable length and overall dimensions are well-suited for in-cabin applications.
Features:
- Socket Type: 16-pin OBD2 socket
- Expansion: 1 male to 3 female ports
- Mounting: Snaps into existing OBD2 under-dash location
- Reach: Extended cable length
- Construction: Sturdy and robust
Pros:
- Simultaneous operation of three devices without performance issues
- Solid connections and well-built structure for durability
- Right-angle connectors for easy vehicle integration
- Supports all OBD2 protocols and devices
Cons:
- Heavier construction may make storage slightly less convenient.
- Shape and size may be less ideal for certain dashboard integrations.
7. DUOYI OBD2 Splitter
DUOYI Nylon OBD2 Splitter
Alt text: DUOYI Nylon OBD2 Splitter, featuring a thick nylon cable and multiple OBD2 ports.
The DUOYI OBD2 Splitter, particularly the Updated Nylon version, is engineered for enhanced durability and performance. It features an industry-standard 16-pin OBD2 socket, ensuring broad compatibility with vehicle OBD protocol diagnostic interfaces and 16-pin plugs across OBD2-compliant cars. The cable incorporates a pure copper core to ensure stable and rapid data transmission. Reinforced nylon construction, with a 10mm thickened diameter, significantly enhances cable durability and provides waterproof characteristics. The robust build of the DUOYI splitter makes it a reliable and long-lasting best OBD2 splitter option.
Features:
- Socket Type: 16-pin OBD2 socket and plug
- Material: Reinforced nylon
- Cable Diameter: 10mm thickened nylon
- Ports: Three OBD2 adapter ports
- Length: 350mm
Pros:
- High-temperature resistant and waterproof construction
- Enhanced durability due to reinforced nylon and thickened diameter
Cons:
- Multiple monitors may not be supported simultaneously; primarily designed for single device use at a time.
8. OBDResource OBD2 Splitter
OBDResource OBD2 Splitter Cable
Alt text: OBDResource OBD2 Splitter Cable, showcasing its right-angle male connector and flexible cable.
The OBDResource OBD2 Splitter Cable 2 in 1 is a versatile extension and splitter cable designed for practical OBD2 port expansion. It features a right-angle male connector, making it suitable for vehicles with limited space around the OBD2 port. With a length of 60cm/24inch/2 feet, it provides sufficient extension for various applications. The cable is constructed from high-quality materials, ensuring flexibility and durability. This 2-in-1 splitter offers a reliable and adaptable solution for users needing to connect multiple devices, making it a strong contender for the best OBD2 splitter in terms of versatility and ease of use.
Features:
- Connector Type: 2-in-1 male/female connector
- Scan Tool Connection: OBD connection compatible
- Cable Quality: High-quality OBD2 extension cable
- Material: Flexible and durable
- Testing: Rigorously tested cable
- Covering: Flexible rubber covering
- Length: 60cm/24inch/2 feet
Pros:
- 2-in-1 male/female ratio for versatile connectivity
- Flexible and durable construction using high-quality materials
- Daisy-chain capability for extended lengths
- Compatible with 16-pin diagnostic tools
- Supports all standard OBD2 protocols, including CAN, with full 16-pin pass-through
Cons:
- Round wire design may not be ideal for through-dash applications where flat cables are preferred.
- Connectors do not feature a locking mechanism, which could be a concern in high-vibration environments.
Key Features to Prioritize in Your OBD2 Splitter
Selecting the best OBD2 splitter involves considering several crucial features that directly impact performance and usability. Here’s a breakdown of the key features to focus on:
1. OBD2 Protocol Compatibility
Ensuring compatibility with OBD2 protocols is paramount. The best OBD2 splitter will support all standard OBD2 protocols used in passenger vehicles. This broad compatibility guarantees seamless communication between your vehicle’s computer system and any connected devices, such as diagnostic scanners, performance monitors, or GPS trackers. Confirming protocol support ensures the splitter will work effectively across a wide range of vehicles and diagnostic tools.
2. Number of Ports
Consider your connectivity needs when evaluating the number of ports offered by an OBD2 splitter. Splitters are available in configurations ranging from 1-to-2, providing two output ports, to 1-to-3 or even more for connecting multiple devices simultaneously. Assess how many devices you plan to use concurrently and choose a splitter with an adequate number of ports. Also, evaluate the port placement and spacing to ensure easy access and efficient cable management, especially in confined vehicle interiors.
3. Vehicle Compatibility
While OBD2 ports are standard in most modern vehicles, verifying vehicle compatibility is still a necessary step. The best OBD2 splitter will be universally compatible with standard OBD2 ports found in cars, trucks, and SUVs manufactured after 1996 in the US (and similar standards in other regions). However, older or specialized vehicles might have different OBD port configurations. If you own an older vehicle or are unsure about OBD2 compatibility, it’s advisable to consult your vehicle’s manual or check with the splitter manufacturer to confirm compatibility.
4. Device Compatibility
Beyond vehicle compatibility, ensure that the OBD2 splitter is compatible with the specific devices you intend to connect. This includes diagnostic tools, GPS trackers, telematics devices, and any other OBD2 accessories. Check the device specifications to confirm they adhere to standard OBD2 protocols and voltage requirements. The best OBD2 splitter will be designed to handle the power and data transmission demands of various OBD2 devices without signal degradation or power limitations.
5. Cable Length and Flexibility
Cable length and flexibility are practical considerations for ease of installation and use. A longer cable provides greater flexibility in positioning connected devices within the vehicle cabin. This is particularly useful for devices that need to be placed out of sight or in specific locations for optimal performance. Flexibility is crucial for routing cables in tight spaces and minimizing strain on the OBD2 port and connected devices. The best OBD2 splitter will strike a balance between adequate length and optimal flexibility, facilitating easy installation and preventing cable damage.
6. Durability and Build Quality
Durability and build quality are essential for ensuring the longevity and reliability of your OBD2 splitter. Choose a splitter constructed from high-quality materials capable of withstanding the rigors of daily use in a vehicle environment. Look for robust connectors that provide secure and stable connections, and cables that are resistant to wear, tear, and temperature variations. Strain relief at the connector points is also important to prevent damage from repeated plugging and unplugging. Investing in a well-built, durable best OBD2 splitter will minimize the need for frequent replacements and ensure consistent performance over time.
Frequently Asked Questions About OBD2 Splitters
1. When is an OBD2 extender cable necessary?
An OBD2 extender cable becomes necessary in several scenarios. Firstly, it can protect your diagnostic scanner’s connector by reducing wear and tear on its direct connection to the OBD2 port. Secondly, if your diagnostic tool or OBD2 device comes with a short cable, an extension cable provides additional working space and flexibility. Furthermore, if you intend to use the OBD2 port for applications beyond diagnostics, such as GPS tracking or adding Bluetooth/Wi-Fi connectivity, an extension cable allows for more convenient placement of these devices. Some extension cables also function as splitters, enabling simultaneous connection of multiple devices.
2. How does OBD2 splitting work? Can I use it like a USB hub?
OBD2 splitting does not function like a USB hub. An OBD2 port is designed for serial communication, typically intended for one device to communicate with the vehicle’s computer at a time. While an OBD2 splitter physically provides multiple ports, it essentially creates parallel connections to the same data lines. Whether multiple devices can reliably communicate simultaneously through a splitter depends on the devices themselves and the vehicle’s communication protocols. Some devices are designed to coexist on the OBD2 bus, while others may cause conflicts. It’s crucial to check the compatibility of your specific devices when using an OBD2 splitter. It’s not a simple plug-and-play hub like USB; its functionality is more nuanced and application-dependent.
3. Is buying an OBD splitter worth the money?
Whether an OBD splitter is worth the investment depends on your specific needs and how you intend to utilize your vehicle’s OBD2 port. If you frequently use multiple OBD2 devices, such as a diagnostic scanner and a performance monitor, or if you need to keep a GPS tracker and a diagnostic tool connected simultaneously, an OBD2 splitter can be a valuable tool. It eliminates the hassle of constantly swapping devices and can enhance the functionality of your OBD2 port. The cost of a quality OBD2 splitter is relatively modest, and for users who benefit from simultaneous device connectivity, it can be a worthwhile investment.
4. Is it safe to leave an OBD2 splitter and devices connected while driving?
In most cases, it is safe to leave an OBD2 splitter and compatible devices connected while driving. OBD2 ports are designed to provide power and data access while the vehicle is in operation. However, it’s essential to ensure that the connected devices and the splitter itself are properly secured and do not interfere with driving or vehicle controls. Avoid dangling cables or devices that could become hazards. Additionally, be mindful of the power draw of connected devices. While OBD2 ports typically provide sufficient power for most accessories, overloading the circuit is theoretically possible, although rare with typical OBD2 devices. Always use reputable, quality OBD2 splitters and devices and monitor for any unusual behavior after installation.
Conclusion: Choosing the Best OBD2 Splitter for Your Needs
Selecting the best OBD2 splitter ultimately depends on your specific requirements, the types of devices you intend to connect, and your vehicle application. By carefully considering factors such as compatibility, cable length, durability, and the number of ports, you can make an informed decision.
Our top recommendations, including the Bbfly OBD2 Splitter, Vgate OBD2 Splitter, and OLLGEN OBD2 Splitter, represent excellent choices for various needs, offering a blend of performance, reliability, and features. Whether you prioritize flexibility, robustness, or specific connector types, there’s a best OBD2 splitter option to enhance your vehicle’s connectivity and streamline your use of OBD2 devices. We encourage you to review the detailed features and pros and cons of each model to pinpoint the ideal splitter that perfectly matches your automotive diagnostic and accessory integration goals.
