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 396 · 11851–11880 shown

Enhanced PID

Rear differential lock state

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Rear differential oil temperature

Land Rover · °C · 7 profiles

Enhanced PID

Rear differential oil temperature sensor voltage

Land Rover · V · 2 profiles

Enhanced PID

Rear gear engaged

Nissan · No scalar unit · 1 profiles

Enhanced PID

Rear left suspension height

Land Rover · cm · 2 profiles

Enhanced PID

Rear left suspension height

Land Rover · mm · 3 profiles

Enhanced PID

Rear left suspension height (cm)

Land Rover · No scalar unit · 3 profiles

Enhanced PID

Rear left tyre pressure

Mazda · psi · 1 profiles

Enhanced PID

Rear left tyre pressure

Ford · psi · 1 profiles

Enhanced PID

Rear left wheel speed

Land Rover · km/h · 5 profiles

Enhanced PID

Rear left wheel speed

Changan · km/h · 1 profiles

Enhanced PID

Rear left wheel speed

Subaru · km/h · 2 profiles

Enhanced PID

Rear right suspension height

Land Rover · mm · 3 profiles

Enhanced PID

Rear right suspension height

Land Rover · cm · 2 profiles

Enhanced PID

Rear right suspension height (cm)

Land Rover · No scalar unit · 3 profiles

Enhanced PID

Rear right tyre pressure

Ford · psi · 1 profiles

Enhanced PID

Rear right tyre pressure

Mazda · psi · 1 profiles

Enhanced PID

Rear right wheel speed

Land Rover · km/h · 5 profiles

Enhanced PID

Rear right wheel speed

Changan · km/h · 1 profiles

Enhanced PID

Rear right wheel speed

Subaru · km/h · 2 profiles

Enhanced PID

Rear wheel speed

Subaru · km/h · 2 profiles

Enhanced PID

Reduction spark advance Cyl.1

Alfa Romeo · ° · 1 profiles

Enhanced PID

Reduction spark advance Cyl.2

Alfa Romeo · ° · 1 profiles

Enhanced PID

Reduction spark advance Cyl.3

Alfa Romeo · ° · 1 profiles

Enhanced PID

Reduction spark advance Cyl.4

Alfa Romeo · ° · 1 profiles

Enhanced PID

Reference relative manifold pressure

Citroen · mbar · 1 profiles

Enhanced PID

Reference throttle angle

Citroen · ° · 1 profiles

Enhanced PID

Refrigerant circuit pressure

Citroen · bar · 2 profiles

Enhanced PID

Reg Pres

Toyota · kPa · 1 profiles

Enhanced PID

Regen Braking Status

Chevrolet · No scalar unit · 1 profiles

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