OBD-II

On-Board Diagnostics II

Mandated vehicle self-diagnostic and reporting system. Defines standard diagnostic trouble codes (DTCs), data PIDs, and the physical connector (SAE J1962) for accessing emissions-related diagnostic data. Required by US EPA and EU type approval regulations.

Document
SAE J1979 / ISO 15031 (series)
URL
https://www.iso.org/standard/71093.html
Label
Standard
Keywords
automotive diagnostics OBD DTC PID emissions SAE J1962 vehicle self-diagnostics

Domain: Diagnostics and Monitoring · Standard