Diesel particulate filter (DPF) temperature

Last reviewed 2026-08-31

Mode 01 · PID 7C (decimal 124)

Description

DPF temperature. Example scale matches catalyst temperature.

PID number

7C · 124

Unit

°C

Range

-40 … 6513.5

Data bytes

9

Formula

((A*256)+B)/10-40

• 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.