Which protocol?
Vehicle OBD protocol compatibility
Pick your brand and model to see which OBD protocol it uses — useful before buying a scanner or adapter.
Loading vehicle database…
General rule of thumb
| 2008+ (any brand) | OBD-II CAN — the modern standard |
| European petrol 2001+ / diesel 2003+ | EOBD (CAN on newer) |
| Japanese 2000+ | JOBD |
| 2000s imports | ISO 9141 / KWP2000 |
| GM / Ford (NA, pre-2008) | J1850 VPW (GM) / PWM (Ford) |