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

54,261 matches

Page 576 · 17251–17280 shown

Enhanced PID

[AT] Driver requested torque

Dongfeng · N·m · 1 profiles

Enhanced PID

[AT] Driver requested torque value

Citroen · N·m · 2 profiles

Enhanced PID

[AT] Driving Mode Sensor: Hall Sensor A

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Driving Mode Sensor: Hall Sensor B

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Driving Mode Sensor: Hall Sensor C

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Driving Mode Sensor: Hall Sensor D

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Driving Resistance Index

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Driving position

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Dumper clutch slip

Great Wall · rpm · 3 profiles

Enhanced PID

[AT] Dynamic Shift Program

Audi · No scalar unit · 7 profiles

Enhanced PID

[AT] Dynamic Torque Limitation

Audi · N·m · 7 profiles

Enhanced PID

[AT] ECU Voltage

Suzuki · V · 1 profiles

Enhanced PID

[AT] ESTIMATED TORQUE TORQUE CLUTCH 1

Dacia · N·m · 1 profiles

Enhanced PID

[AT] ESTIMATED TORQUE TORQUE CLUTCH 2

Dacia · N·m · 1 profiles

Enhanced PID

[AT] Economical drive time portion

Audi · % · 7 profiles

Enhanced PID

[AT] Effective engine torque

Nissan · rpm · 1 profiles

Enhanced PID

[AT] Engaged gear

Citroen · No scalar unit · 2 profiles

Enhanced PID

[AT] Engine RPM

Hyundai · rpm · 1 profiles

Enhanced PID

[AT] Engine RPM

Great Wall · rpm · 3 profiles

Enhanced PID

[AT] Engine RPM

Chevrolet · rpm · 1 profiles

Enhanced PID

[AT] Engine RPM

Citroen · rpm · 1 profiles

Enhanced PID

[AT] Engine RPM

Dongfeng · rpm · 1 profiles

Enhanced PID

[AT] Engine RPM

Suzuki · rpm · 1 profiles

Enhanced PID

[AT] Engine coolant over temperature counter

Jaguar · No scalar unit · 3 profiles

Enhanced PID

[AT] Engine coolant over temperature counter

Land Rover · No scalar unit · 3 profiles

Enhanced PID

[AT] Engine coolant temperature

Citroen · °C · 2 profiles

Enhanced PID

[AT] Engine coolant temperature

Chevrolet · °C · 1 profiles

Enhanced PID

[AT] Engine oil over temperature counter

Land Rover · No scalar unit · 3 profiles

Enhanced PID

[AT] Engine oil over temperature counter

Jaguar · No scalar unit · 3 profiles

Enhanced PID

[AT] Engine operating mode

Citroen · rpm · 2 profiles

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