Auxiliary input status
Last reviewed 2026-08-31
Mode 01 · PID 1E (decimal 30)
Description
Auxiliary input. Bit A0 is power take-off (PTO) active.
- PID number
- 1E · 30
- Unit
- —
- Range
- —
- Data bytes
- 1
- Formula
- A0 = PTO active
Bit decode map
All engines
| Byte.bit | Field | Role |
|---|---|---|
| A0 | Power take-off (PTO) active 1 = PTO status active. | — |
- 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 1E