Autel 16-Pin OBD2 Y Splitter Extension Cable — 1 ft (30 cm) male-to-two-female, oxygen-free copper, reinforced mold

Autel's original 16-pin OBD2 Y splitter extension cable is a 1 ft (30 cm) male-to-two-female adapter that lets you connect two OBDII devices to a single vehicle diagnostic port at the same time.

This compact, plug-and-play extension is built for technicians, vehicle owners, and fleet managers who need to run two 16-pin OBDII tools simultaneously or keep one device connected while adding another. Made with high-purity oxygen-free copper conductors and reinforced molding, the cable prioritizes durable, low-latency data transfer and strain resistance in a short, convenient length. It preserves diagnostic communication protocols across standard OBDII interfaces while giving you extra port flexibility without modifying the vehicle harness.

How does the Autel Y splitter maintain reliable data transfer between two devices?

The splitter uses thickened, oxygen-free copper cores and a reinforced one-piece molded connector to reduce resistance and protect signal integrity. Its construction minimizes data delay so both connected tools can read vehicle data in real time under normal diagnostic conditions.

• High-purity copper conductors for fast, low-loss transmission
• Double fishnet tail + reinforced mold to reduce breakage risk
• Short 1 ft length reduces signal degradation compared with longer adapters

Which vehicles and diagnostic tools are compatible with this 16-pin splitter?

The cable follows the standard 16-pin OBDII pinout used by most modern gasoline and diesel vehicles sold with an OBDII DLC. It works with any diagnostic tool or scanner that uses a 16-pin female OBDII connector, including code readers, data loggers, Bluetooth/Wi-Fi adapters, and manufacturer-level tools.

• Compatible with all standard OBDII 16-pin ports and protocols
• Works with handheld scanners, PC interfaces, and dongles
• Plug-and-play — no software or vehicle modifications required

Will using two devices at once interfere with diagnostics or vehicle systems?

Using two passive diagnostic devices together is generally safe for reading and logging data; however, device behavior depends on the tools themselves. The splitter passes through standard signals but does not actively manage bus arbitration, so tools that attempt to send conflicting commands could interfere with each other.

• Designed for simultaneous monitoring and passive data reads
• Avoid connecting two devices that both send commands at the same time
• Disconnect one device before running active programming or ECU flashing

How durable and convenient is the 1 ft / 30 cm length in daily use?

The short 1 ft length is ideal for neat installations inside the cabin or under dashboards where excess cable would get in the way. Reinforced wires and a robust connector reduce wear from bending and frequent plug cycles, making it practical for shop benches and mobile diagnostics alike.

• Compact 30 cm length keeps work areas tidy and minimizes snagging
• Thickened core and tensile-resistant design for repeated use
• Lightweight, portable — fits toolboxes and service kits easily

Who is this for: The Autel OBD2 16-pin Y splitter extension is aimed at mechanics, DIY car enthusiasts, fleet technicians, and anyone who needs to simultaneously connect two OBDII tools without rewiring. It’s especially useful when you want to monitor live data while running a second scan tool, attach a Bluetooth dongle alongside a hands-on scanner, or keep a permanent logger connected during service checks. If you require a compact, durable, and standardized solution for multiple OBDII connections, this Autel adapter offers straightforward compatibility and rugged construction backed by seller support.