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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 299 · 8941–8970 shown

Enhanced PID

Injectors load

Honda · % · 1 profiles

Enhanced PID

Inlet Air Temperature

Delphi · °C · 1 profiles

Enhanced PID

Inlet Air Temperature

Subaru · °F · 3 profiles

Enhanced PID

Inlet Air Temperature

Briggs & Stratton · °C · 1 profiles

Enhanced PID

Inlet Air Temperature (after air filter)

Subaru · °C · 3 profiles

Enhanced PID

Inlet Camshaft Phase position

Citroen · ° · 1 profiles

Enhanced PID

Inlet Camshaft Phase position reference value

Citroen · ° · 1 profiles

Enhanced PID

Inlet Camshaft Phase valve OCR

Citroen · % · 1 profiles

Enhanced PID

Inlet air temperature

Volkswagen · °C · 1 profiles

Enhanced PID

Inlet camshaft phase solenoid valve duty

Citroen · % · 1 profiles

Enhanced PID

Inlet pressure measured

Citroen · mbar · 1 profiles

Enhanced PID

Inlet pressure setpoint

Citroen · mbar · 1 profiles

Enhanced PID

Input Speed

Mitsubishi · rpm · 9 profiles

Enhanced PID

Input shaft speed

Honda · rpm · 1 profiles

Enhanced PID

Inside Car Temperature

Ford · °F · 2 profiles

Enhanced PID

Insp Mode

Toyota · No scalar unit · 1 profiles

Enhanced PID

Inspection Mode (Other=Off)

Toyota · No scalar unit · 2 profiles

Enhanced PID

Inspection Mode (Other=Off)

Perodua · No scalar unit · 1 profiles

Enhanced PID

Inspection Mode (Other=Off)

Lexus · No scalar unit · 1 profiles

Enhanced PID

Inst Kpower

Chevrolet · kW · 1 profiles

Enhanced PID

Instant Fuel Flow

Alfa Romeo · L/h · 3 profiles

Enhanced PID

Instant Fuel Flow

Fiat · L/h · 10 profiles

Enhanced PID

Instant Fuel Flow

Fiat · L/h · 5 profiles

Enhanced PID

Instant Fuel Flow

Alfa Romeo · L/h · 1 profiles

Enhanced PID

Instant fuel consumption (MAF calculated)

Lada · L/100km · 2 profiles

Enhanced PID

Insulation resistance Minuspol Hochvolt battery

Seat · kOhm · 1 profiles

Enhanced PID

Insulation resistance Minuspol Hochvolt battery

Jetta · kOhm · 1 profiles

Enhanced PID

Insulation resistance Minuspol Hochvolt battery

Volkswagen · kOhm · 2 profiles

Enhanced PID

Insulation resistance Pluspol Hochvolt battery

Jetta · kOhm · 1 profiles

Enhanced PID

Insulation resistance Pluspol Hochvolt battery

Volkswagen · kOhm · 2 profiles

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