Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
OBD Data Link Connector
The DLC is located in the passenger compartment. The DLC is rectangular in design and capable of accommodating up to 16 terminals. The connector has keying features to allow easy connection. The vehicle connector and the test equipment connector have latching features that ensure the test equipment connector will remain mated when properly connected.
| Cavity | General Assignment |
|---|---|
| 1 | NOT USED |
| 2 | SCP+ Communication |
| 3 | UBP Communication |
| 4 | Chassis Ground |
| 5 | Chassis Ground |
| 6 | CAN+ Communication |
| 7 | ISO 9141 Communication |
| 8 | NOT USED |
| 9 | NOT USED |
| 10 | SCP- Communication |
| 11 | NOT USED |
| 12 | NOT USED |
| 13 | Module Programming Signal |
| 14 | CAN- Communication |
| 15 | NOT USED |
| 16 | B+ voltage |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.