Calibration ID (CALID)
Last reviewed 2026-08-31
Mode 09 · PID 04 (decimal 4)
Description
Software / calibration identifier(s) of the responding ECU.
- PID number
- 04 · 4
- Unit
- —
- Range
- —
- Data bytes
- 16
- Formula
- ASCII, up to 16 chars per ID, several IDs possible
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 04