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How to read OBD-II live data without inventing a normal range

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Read a supported-PID bitmap one bit at a time

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Check a scan log before trusting the chart

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출처

  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.