O2 monitor test Bank 4 Sensor 1 (lean-to-rich threshold)

Last reviewed 2026-08-31

Mode 06 · PID 020D (decimal 525)

Description

Mode 06 CAN: O2 lean-to-rich threshold test for bank 4 sensor 1. Response includes measured test value plus min/max limits.

PID number

020D · 525

Unit

V

Range

0 … 1.275

Data bytes

2

Formula

Test value; limits 0.005 V/bit

Defined by SAE J1979 / ISO 15031-5. Public index — not a substitute for the paid SAE document.