Diagnostic knowledge search

23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.

Code or signal meaning

Reference

Brand context

246 matches

Page 9 · 241–246 shown

U0422

Plausibility signal,

1 reference families · Dodge / Fiat

U0426

1 reference families · Dodge / Fiat

U0427

Function inertial (SFS),

1 reference families · Dodge / Fiat

U1601

State NCM, State

1 reference families · Dodge / Fiat

U1700

1 reference families · Dodge / Fiat

U1706

1 reference families · Dodge / Fiat

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