Timing advance
Last reviewed 2026-08-31
Mode 01 · PID 0E (decimal 14)
Description
Ignition timing advance relative to top dead centre.
- PID number
- 0E · 14
- Unit
- ° before TDC
- Range
- -64 … 63.5
- Data bytes
- 1
- Formula
- (A/2)-64
- 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 0E