Catalyst temperature — Bank 1 Sensor 1
Last reviewed 2026-08-31
Mode 01 · PID 3C (decimal 60)
Description
Catalyst (or exhaust) temperature bank 1, sensor 1.
- PID number
- 3C · 60
- Unit
- °C
- Range
- -40 … 6513.5
- Data bytes
- 2
- 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.
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 3C