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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

78,140 matches

Page 650 · 19471–19500 shown
P1224
Throttle Position Sensor B Out Of Self Test Range

13 reference families · Alfa Romeo, Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1225
Needle Lift Sensor Malfunction

16 reference families · Alfa Romeo, Chrysler, Ford, GM, Lambo, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1226
Control Sleeve Sensor Malfunction

17 reference families · Chrysler, Dodge / Fiat, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lambo, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1227
Wastegate Failed Closed (Over Pressure)

17 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lambo, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1228
Wastegate Failed Open (Under Pressure)

19 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lambo, Lincoln, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1229
Intercooler Pump Driver Fault

17 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1230
Fuel Pump Low Speed Malfunction

19 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Subaru, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1231
Fuel Pump Secondary Circuit Low, High Speed

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

P1232
Fuel Pump Speed Primary Circuit Malfunction

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

P1233
Fuel Pump Driver Module Off Line

12 reference families · Chrysler, Ford, Jaguar / Land Rover, Lincoln, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1234
Fuel Pump Driver Module Off Line

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

P1235
Fuel Pump Control Out Of Range

16 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mazda, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, GAC / Lexus / Toyota

P1236
Fuel Pump Control Out Of Range

14 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mazda, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1237
Fuel Pump Secondary Circuit Malfunction

17 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1238
Fuel Pump Secondary Circuit Malfunction

16 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1239
Speed Fuel Pump Positive Feed Fault

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

P1240
Sensor Power Supply Malfunction

15 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1241
Sensor Power Supply Low Input

13 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1242
Sensor Power Supply High Input

13 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1243
Second Fuel Pump Faulty or Ground Fault

18 reference families · Alfa Romeo, Changan, Chrysler, Ford, GM, Genesis / Hyundai / Kia, 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, Polestar / Volvo

P1244
Alternator Load Input Failed High

16 reference families · Alfa Romeo, Changan, Chrysler, Ford, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1245
Alternator Load Input Failed Low

19 reference families · Alfa Romeo, Changan, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Subaru, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1246
Alternator Load Input Failed

17 reference families · Changan, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1247
Turbo Boost Pressure Low

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

P1248
Turbo Boost Pressure Not Detected

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

P1249
Wastegate Control Valve Performance

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

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