Diagnostic comparisons

Compare OBD codes and concepts

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

Code or signal meaning

Reference

Brand context

78,140 matches

Page 938 · 28111–28140 shown

Enhanced PID

Nissan · No scalar unit · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Nissan · mV · 1 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Nissan · No scalar unit · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Nissan · mV · 1 profiles

Enhanced PID

Nissan · No scalar unit · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Nissan · mV · 1 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Nissan · No scalar unit · 1 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Volkswagen · V · 2 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Seat · V · 1 profiles

Enhanced PID

Volkswagen · V · 1 profiles

Enhanced PID

Jetta · V · 1 profiles

Enhanced PID

Cell Management Unit 10: Module Voltage

Mitsubishi · V · 1 profiles

Enhanced PID

Cell Management Unit 11: Module Voltage

Mitsubishi · V · 1 profiles

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