SAE J1979
Last reviewed 2026-08-31
ISO equivalent: ISO 15031-5
ISO equivalent of SAE J1979: diagnostic services and standard PIDs exchanged between the vehicle and a scan tool.
Scope. Same generic OBD PID layer as J1979.
Kept as its own row so ISO-citing sources can link here without duplicating every PID.
Sources
Provenance for this page. Official standards outrank community notes. See the confidence policy.
Official standard · high trust
SAE J1979 / ISO 15031-5 Mode 01 PID formulas (public index)
iso-15031-5