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 653 · 19561–19590 shown

P1291

Injector High Side Short To GND Or VBATT - Bank 1

12 reference families · Chrysler, Ford, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Plymouth, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1292

Injector High Side Short To GND Or VBATT - Bank 2

P1293

Injector High Side Open - Bank 1

P1294

Injector High Side Open - Bank 2/Target idle not reached

P1295

Multi-faults - Bank 1 - With Low Side Shorts

P1296

Multi-faults - Bank 2 - With Low Side Shorts

13 reference families · Chrysler, Ford, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Plymouth, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1297

Injector High Sides Shorted Together

15 reference families · Chrysler, Ford, Acura / Honda, ISUZU, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Plymouth, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1298

IDM Failure

14 reference families · Chrysler, Ford, Acura / Honda, Lincoln, Mazda, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Plymouth, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1299

Cylinder Head Overtemperature Protection Active

13 reference families · Chrysler, Ford, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Plymouth, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P129B

Fuel pump driver control module system voltage low

1 reference families · ISUZU

P129C

Fuel pump driver control module system voltage high

1 reference families · ISUZU

P129D

Fuel pump driver control module system ignition voltage low

1 reference families · ISUZU

P129E

Fuel pump driver control module signal message counter error

1 reference families · ISUZU

P12A0

Safety fault

1 reference families · Changan

P12A1

High oil temperature protection (transmission fluid temperature too high)

1 reference families · Changan

P12A2

Clutch overheat protection (clutch temperature too high / sensor fault - signal too low / high)

1 reference families · Changan

P12A6

Clutch temperature sensor (voltage too low / too high)

1 reference families · Changan

P12A8

Fuel pump driver control module message counter incorrect

1 reference families · ISUZU

P12AE

Solenoid valve drive chip fault (correlation fault / communication fault / pin enable fault / enable fault / data processing fault)

1 reference families · Changan

P12AF

Bottom safety fault (input / output fault)

2 reference families · Changan, ISUZU

P12AЗ

High transmission fluid temperature

1 reference families · Changan

P12B0

Variable intake manifold control valve feedback circuit voltage low

1 reference families · ISUZU

P12B1

Reset fault (hardware reset fault / software reset fault / full reset fault)

2 reference families · Changan, ISUZU

P12B2

Variable intake manifold control valve feedback circuit error

1 reference families · ISUZU

P12C200

Crankcase vent line diagnostic circuit high

1 reference families · Changan

P12C300

Crankcase vent line diagnostic circuit low

1 reference families · Changan

P1300

Boost Calibration Fault

19 reference families · Chrysler, Dodge / Fiat, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, Lincoln, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P130000

Electronic water pump additional fault

1 reference families · Changan

P1301

Boost Calibration High

14 reference families · Chrysler, Dodge / Fiat, Ford, Genesis / Hyundai / Kia, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Subaru

P130100

Electronic water pump dry running fault

1 reference families · Changan

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