NOx warning and inducement system
Last reviewed 2026-08-31
Mode 01 · PID 94 (decimal 148)
Description
NOx warning lamp and driver-inducement counters.
- PID number
- 94 · 148
- Unit
- —
- Range
- —
- Data bytes
- 12
- Formula
- Multi-byte NOx warning/inducement
- 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 94