GODIAG GT105 OBD II Break Out Box

The Review On YouTube

 OBD Assistant Plus Full Protocol OBD2 Universal Jumper

The GODIAG GT105 is an advanced adapter for IMMO and ECU programming tasks. It serves as an OBD2 breakout box and full-protocol jumper, supplying stable power and enabling communication and programming even in key-lost or module swap scenarios.

Core Functions

GODIAG GT105 OBD II Break Out Box

• IMMO & ECU programming (reading, writing, cloning).
• OBD2 breakout / jumper capabilities (supports K, CAN, PWM, etc.).
• Power adapter from battery to provide stable 12V to external diagnostic / programming tools.
• Indicators for PWM+, CANH, CANL, K-Line to monitor communication status.
• Support for “all keys lost” IMMO situations on various vehicles (Ford, VAG, Toyota, etc.).
• Battery replacement support to keep clock, windows, IMMO settings intact.

Technical & Hardware Features

GODIAG GT105 OBD II Break Out Box

• Durable copper female sockets for repeated use.
• Battery clip with corrosion resistance and solid plating.
• Dual GND (body & signal) with switchable short / isolation.
• Resettable 7A fuse on DC power input.
• Full-protocol OBD2 support including multiple power / ground and signal lines.
• Signal LEDs for protocol lines (K, CAN, etc.).

Use Cases / Applications

• IMMO / key programming, especially in “all keys lost” conditions.
• ECU reading, writing, cloning and diagnostics via OBD2.
• Powering other tools outdoors or in mobile setups.
• Battery replacement processes where memory & settings must be preserved.

What’s in the Box

• Main GT105 adapter unit
• Power cord + battery clip
• Full protocol OBD2 jumper cable

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