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 962 · 28831–28860 shown

Enhanced PID

Cylinder 6 disbalance

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 6 injection balance deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 6 injection deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 7 Misfire Count

Ford · No scalar unit · 2 profiles

Enhanced PID

Cylinder 7 injection balance deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 7 injection deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 8 Misfire Count

Ford · No scalar unit · 2 profiles

Enhanced PID

Cylinder 8 injection balance deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder 8 injection deviation

Land Rover · No scalar unit · 1 profiles

Enhanced PID

Cylinder Air Grams Desired Per Cylinder

Chevrolet · g · 1 profiles

Enhanced PID

Cylinder Head Temp

Ford · °F · 3 profiles

Enhanced PID

Cylinder Head Temp Alt

Ford · °F · 2 profiles

Enhanced PID

Cylinder Head Temperature

Ford · °F · 1 profiles

Enhanced PID

Cylinder Head Temperature

Ford · °C · 2 profiles

Enhanced PID

Cylinder Head Temperature Sensor 2

Ford · °C · 1 profiles

Enhanced PID

Cylinder Monitor #1

Subaru · rpm · 3 profiles

Enhanced PID

Cylinder Monitor #2

Subaru · rpm · 3 profiles

Enhanced PID

Cylinder Monitor #3

Subaru · rpm · 3 profiles

Enhanced PID

Cylinder Monitor #4

Subaru · rpm · 3 profiles

Enhanced PID

Cylinder Number

Perodua · No scalar unit · 1 profiles

Enhanced PID

Cylinder Number

Toyota · No scalar unit · 2 profiles

Enhanced PID

Cylinder Number

Lexus · No scalar unit · 2 profiles

Enhanced PID

Cylinder head temperature

Jaguar · °C · 1 profiles

Enhanced PID

Cylinder head temperature

Ford · °C · 2 profiles

Enhanced PID

Cylinder head temperature

Chevrolet · °C · 1 profiles

Enhanced PID

Cylinders 1-4 correction

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

Land Rover · No scalar unit · 9 profiles

Enhanced PID

Lexus · No scalar unit · 1 profiles

Enhanced PID

D/C solenoid current

Subaru · A · 2 profiles

Enhanced PID

D/C solenoid pressure

Subaru · kPa · 2 profiles

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