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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

78,140 matches

Page 928 · 27811–27840 shown
Enhanced PID
Cell #4

Volkswagen · V · 2 profiles

Enhanced PID
Cell #4

Nissan · mV · 1 profiles

Enhanced PID
Cell #4

Seat · V · 1 profiles

Enhanced PID
Cell #4

Jetta · V · 1 profiles

Enhanced PID
Cell #40

Seat · V · 1 profiles

Enhanced PID
Cell #40

Nissan · mV · 1 profiles

Enhanced PID
Cell #40

Volkswagen · V · 2 profiles

Enhanced PID
Cell #40

Jetta · V · 1 profiles

Enhanced PID
Cell #41

Seat · V · 1 profiles

Enhanced PID
Cell #41

Volkswagen · V · 2 profiles

Enhanced PID
Cell #41

Jetta · V · 1 profiles

Enhanced PID
Cell #41

Nissan · mV · 1 profiles

Enhanced PID
Cell #42

Jetta · V · 1 profiles

Enhanced PID
Cell #42

Volkswagen · V · 2 profiles

Enhanced PID
Cell #42

Nissan · mV · 1 profiles

Enhanced PID
Cell #42

Seat · V · 1 profiles

Enhanced PID
Cell #43

Volkswagen · V · 2 profiles

Enhanced PID
Cell #43

Jetta · V · 1 profiles

Enhanced PID
Cell #43

Seat · V · 1 profiles

Enhanced PID
Cell #43

Nissan · mV · 1 profiles

Enhanced PID
Cell #44

Seat · V · 1 profiles

Enhanced PID
Cell #44

Volkswagen · V · 2 profiles

Enhanced PID
Cell #44

Jetta · V · 1 profiles

Enhanced PID
Cell #44

Nissan · mV · 1 profiles

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