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Diagnostic knowledge / DTC and enhanced PID meanings — Knowledge search

Diagnostic knowledge search

23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.

Diagnostic explainers

Pending, stored and permanent codes · Enhanced PIDs and Mode 22

54,261 matches

Page 305 · 9121–9150 shown
Enhanced PID
Inv WP

Toyota · rpm · 1 profiles

Enhanced PID
Inv1 S/D

Toyota · No scalar unit · 1 profiles

Enhanced PID
Inv1 fail

Toyota · No scalar unit · 1 profiles

Enhanced PID
Inv1t

Toyota · °F · 1 profiles

Enhanced PID
Inv1t Ign

Toyota · °F · 1 profiles

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OBD Lens reference library · catalog legacy-owner-2026-11-02-v84-evidence. Sources and scope