OBD-DATA / SUPPORTED-PIDS

Supported PIDs

From response bytes to physical values. Learn what a scanner reading means, how it is calculated, and what context to record.

Your input stays in this browser.MODE 01

A decoded value is a measurement, not a diagnosis. Encoding limits are not normal operating limits. Confirm vehicle support and the manufacturer’s procedure.

01

Identify the service and PID.

02

Decode the data bytes.

03

Record the operating conditions.

Detailed technical references are currently available in English and Chinese. Reading guides →

Sources

  1. python-OBD: Mode 01 command table ↗
  2. python-OBD: byte decoding implementation ↗
  3. CSS Electronics: OBD-II PID and response frames ↗
  4. California BAR: OBD test reference ↗

Independent reference; no affiliation with SAE, vehicle manufacturers or regulators. Sources checked 28 October 2026.