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Diagnostic comparisons

Compare OBD codes and concepts

P0420 vs P0430

Upstream vs downstream O2 sensor

Bank 1 vs Bank 2

OBD1 vs OBD2: scope

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 382 · 11431–11460 shown
Enhanced PID
R

Land Rover · No scalar unit · 9 profiles

Enhanced PID
R selector

Lexus · No scalar unit · 1 profiles

Enhanced PID
R01

Toyota · Ohm · 1 profiles

Enhanced PID
R02

Toyota · Ohm · 1 profiles

Enhanced PID
R03

Toyota · Ohm · 1 profiles

Enhanced PID
R04

Toyota · Ohm · 1 profiles

Enhanced PID
R05

Toyota · Ohm · 1 profiles

Enhanced PID
R06

Toyota · Ohm · 1 profiles

Enhanced PID
R07

Toyota · Ohm · 1 profiles

Enhanced PID
R08

Toyota · Ohm · 1 profiles

Enhanced PID
R09

Toyota · Ohm · 1 profiles

Enhanced PID
R10

Toyota · Ohm · 1 profiles

Enhanced PID
R11

Toyota · Ohm · 1 profiles

Enhanced PID
R12

Toyota · Ohm · 1 profiles

Enhanced PID
R13

Toyota · Ohm · 1 profiles

Enhanced PID
R14

Toyota · Ohm · 1 profiles

Enhanced PID
R15

Toyota · Ohm · 1 profiles

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