In-use performance tracking message count
Last reviewed 2026-08-31
Mode 09 · PID 07 (decimal 7)
Description
Message count for in-use performance tracking (PID 08 / 0B) on non-CAN.
- PID number
- 07 · 7
- Unit
- count
- Range
- 8 … 10
- Data bytes
- 1
- Formula
- 8, 9 or 10 messages depending on value count
Defined by SAE J1979 / ISO 15031-5. Public index — not a substitute for the paid SAE document.
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)
J1979 public PID index: 09 07