This J1939 to OBD2 adapter cable bridges the gap between the 9-pin round diagnostic port used on heavy-duty trucks and the standard 16-pin OBD2 interface found on most diagnostic tools. It is an essential tool for accessing truck ECUs, enabling you to read fault codes, clear error warnings, and monitor live data with standard truck scanners.
Accurate Specifications & Features
- Connector A: Heavy-duty 9-Pin J1939 (Type 2) Male Connector with locking ring.
- Connector B: Standard 16-Pin OBD2 (J1962) Female Port.
- Communication Standard: Supports J1939 (CAN bus) and J1708 (legacy serial) protocols.
- Material: High-quality, flexible PVC housing with durable copper cores for stable data transmission.
- Cable Length: Approximately 30.5cm (12 inches), allowing for easy installation under the dashboard.
Compatibility & Applications
- Vehicle Fitment: Universally compatible with heavy-duty diesel trucks, buses, and construction equipment using the 9-pin round connector (e.g., Freightliner, Volvo, International, Cummins, Detroit Diesel).
- Diagnostic Tools: Connects standard truck diagnostic scanners, ELD compliance devices, and laptops with J1939 interfaces to the vehicle's ECU.
- Function: Used for reading engine parameters, diagnosing active fault codes, and performing ECU programming.
