Fuel pressure control system
Last reviewed 2026-08-31
Mode 01 · PID 6D (decimal 109)
Description
Fuel-pressure control system status (later diesel / GDI).
- PID number
- 6D · 109
- Unit
- —
- Range
- —
- Data bytes
- 11
- Formula
- Multi-byte fuel pressure control
- 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 6D