Engine coolant temperature (two sensors)
Last reviewed 2026-08-31
Mode 01 · PID 67 (decimal 103)
Description
Dual coolant sensors. Byte A says which are present; B and C are each A−40 style temperatures.
- PID number
- 67 · 103
- Unit
- °C
- Range
- -40 … 215
- Data bytes
- 3
- Formula
- B-40 ; C-40 (A = support bits)
- 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 67