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 813 · 24361–24390 shown

Enhanced PID

?Battery - Unknown 41A5

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Cabin - Heater - Coolant Control Solenoid Valve Feedback

Chevrolet · % · 1 profiles

Enhanced PID

?Charger - Charging Limit

Chevrolet · W · 1 profiles

Enhanced PID

?Charger - High Output Active

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Charger - System Active

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Charger - Unknown Status

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Electronics Coolant Pump Feedback

Chevrolet · % · 1 profiles

Enhanced PID

?HV Crash Event Lockout

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?HV System Being Serviced Lockout

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Line Pressure - Calculated

Chevrolet · kPa · 1 profiles

Enhanced PID

?MG Current ?

Chevrolet · A · 1 profiles

Enhanced PID

?MG Current Bad?

Chevrolet · A · 1 profiles

Enhanced PID

?Motor Speed

Chevrolet · rpm · 1 profiles

Enhanced PID

?Motor Torque

Chevrolet · N·m · 1 profiles

Enhanced PID

?Transmission - ISS/OSS Supply Voltage

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Transmission - Output Shaft Direction

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Transmission - Output Shaft Speed Req

Chevrolet · rpm · 1 profiles

Enhanced PID

?Transmission - Output Shaft Speed Sensor

Chevrolet · rpm · 1 profiles

Enhanced PID

?Unknown 2472

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 2475

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 2476

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 2477

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 2478

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 2479

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28F1

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28F2

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28F4

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28F8

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28F9

Chevrolet · No scalar unit · 1 profiles

Enhanced PID

?Unknown 28FB

Chevrolet · V · 1 profiles

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