Maximum value for MAF air flow rate
Last reviewed 2026-08-31
Mode 01 · PID 50 (decimal 80)
Description
Calibration maximum for mass air flow. Byte A × 10 g/s; B/C/D reserved.
- PID number
- 50 · 80
- Unit
- g/s
- Range
- 0 … 2550
- Data bytes
- 4
- Formula
- A*10 (B,C,D reserved)
- Also valid as Mode 02 freeze-frame data (same PID number, snapshot at last DTC).
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: 01 50