OBD-II CAN Bus Breakout Bare PCB (Unpopulated)
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Prices updated: 13 Oct 2026
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About this product
This is a bare, unpopulated PCB for assembling an OBD-II connector breakout board for CAN bus access. It is intended for makers who want to solder their own connector and components to read data from a vehicle's diagnostic port.
Specifications
- Type
- Bare PCB, unpopulated
- Connector
- OBD-II
- Bus
- CAN
Frequently asked questions
Which OBD-II pins are used for CAN?
On a standard SAE J1962 OBD-II connector, CAN-High is pin 6 and CAN-Low is pin 14. Pin 4 and pin 5 are signal ground, and pin 16 provides battery voltage.
Does the board include the connector and CAN transceiver?
No, it is a bare PCB. The OBD-II connector, the CAN transceiver and other parts must be sourced and soldered by the builder.
