NOx NTE control area status
Last reviewed 2026-08-31
Mode 01 · PID 7D (decimal 125)
Description
NOx Not-To-Exceed control-area status (heavy-duty / later light-duty diesel).
- PID number
- 7D · 125
- Unit
- —
- Range
- —
- Data bytes
- 1
- Formula
- Bit encoded NTE area
- Also valid as Mode 02 freeze-frame data (same PID number, snapshot at last DTC).
- Bit-encoded or enumerated — not a single scaled physical value.
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 7D