Diagnostic comparisons

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 845 · 25321–25350 shown

Enhanced PID

Accumulated Air Mass 1

Delphi · g · 1 profiles

Enhanced PID

Accumulated Air Mass 2

Delphi · g · 1 profiles

Enhanced PID

Accumulated Charge - Accumulated Discharge

BYD · kWh · 1 profiles

Enhanced PID

Accumulated Fuel Mass 1

Delphi · g · 1 profiles

Enhanced PID

Accumulated Fuel Mass 2

Delphi · g · 1 profiles

Enhanced PID

Accumulated Time of Battery LOW

Toyota · sec · 1 profiles

Enhanced PID

Accumulated Time of Battery Low

Toyota · No scalar unit · 2 profiles

Enhanced PID

Accumulated Time of Battery Too High

Toyota · sec · 1 profiles

Enhanced PID

Accumulated Time of Battery too High

Toyota · No scalar unit · 2 profiles

Enhanced PID

Accumulated Time of DC Inhibit

Toyota · sec · 1 profiles

Enhanced PID

Accumulated Time of DC Inhibit

Toyota · No scalar unit · 2 profiles

Enhanced PID

Accumulated Time of Hot Temperature

Toyota · No scalar unit · 2 profiles

Enhanced PID

Accumulated Time of Hot Temperature

Toyota · sec · 1 profiles

Enhanced PID

Accumulated count of overspeed instances (high RPM) (A), counter

Subaru · No scalar unit · 1 profiles

Enhanced PID

Accumulated count of overspeed instances (very high RPM) (A), counter

Subaru · No scalar unit · 1 profiles

Enhanced PID

Accumulator Open

Toyota · No scalar unit · 2 profiles

Enhanced PID

Accumulator Open

Perodua · No scalar unit · 1 profiles

Enhanced PID

Accumulator Open

Lexus · No scalar unit · 2 profiles

Enhanced PID

ActEngTorq

Toyota · N·m · 1 profiles

Enhanced PID

Activation for electrical reserve coolant pump in HT circuit

Volkswagen · % · 2 profiles

Enhanced PID

Activation for electrical reserve coolant pump in HT circuit

Seat · % · 1 profiles

Enhanced PID

Actual AFR

Mazda · No scalar unit · 1 profiles

Enhanced PID

Actual EGR

Citroen · % · 1 profiles

Enhanced PID

Actual Engine Torque

Toyota · N·m · 2 profiles

Enhanced PID

Actual Fuel press.

Chevrolet · kPa · 1 profiles

Enhanced PID

Actual Gear Ratio

Subaru · No scalar unit · 2 profiles

Enhanced PID

Actual Gear Ratio

Subaru · No scalar unit · 1 profiles

Enhanced PID

Actual Injection Timing

Chevrolet · ° · 1 profiles

Enhanced PID

Actual Line Pressure

Subaru · MPa · 2 profiles

Enhanced PID

Actual Pedal Pos

Mazda · % · 1 profiles

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