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Diagnostic knowledge / DTC and enhanced PID meanings — Knowledge search

Diagnostic comparisons

Compare OBD codes and concepts

P0420 vs P0430

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

23,879 matches

Page 771 · 23101–23130 shown
U1082
Hu node lost

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1083
AC node lost

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1090
EMS node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1091
EPBi / ESP / ABS node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1092
EPS node lost

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1093
SRS node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1094
TCU node lost

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1096
АСС 35Е node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1098
LCDAL 2AE node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1099
LCDAR 2AF node missing

7 reference families · Changan, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

U1101
Engine-A/T-ECU Time-out

7 reference families · Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

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