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 646 · 19351–19380 shown

P1125

Throttle position sensor intermittent

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

P1126

Throttle Position (Narrow Range) Sensor Circuit Malfunction

15 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Mazda, 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

P1127

Exhaust Not Warm, Downstream O2 Sensor

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

P1128

Upstream Heated O2 Sensors Swapped

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

P1129

Downstream Heated O2 Sensors Swapped

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

P1130

Lack Of HO2S Switch - Adaptive Fuel At Limit

23 reference families · BMW, Chrysler, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mazda, Mercedes-Benz, 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

P1131

Lack Of HO2S Switch - Sensor Indicates Lean

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

P1132

Lack Of HO2S Switch - Sensor Indicates Rich

19 reference families · BMW, Chrysler, Dodge / Fiat, Ford, GM, Jaguar / Land Rover, Lincoln, Mazda, Mercedes-Benz, 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

P1133

HO2S Insufficient Switching Sensor 1

21 reference families · BMW, Chrysler, Dodge / Fiat, Ford, GM, ISUZU, Jaguar / Land Rover, Lincoln, Mazda, 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

P1134

HO2S Transition Time Ratio Sensor 1

19 reference families · BMW, 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, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1135

Pedal Position Sensor A Circuit Intermittent

20 reference families · BMW, Chrysler, Dodge / Fiat, 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, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1136

Fan Control Circuit Malfunction

18 reference families · BMW, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mazda, 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

P1137

Lack Of HO2S Switch - Sensor Indicates Lean

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

P1138

Lack Of HO2S12 Switch - Sensor Indicates Rich

21 reference families · BMW, Chrysler, Dodge / Fiat, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mazda, 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

P1139

Water In Fuel Indicator Circuit Malfunction

19 reference families · BMW, Chrysler, Dodge / Fiat, Ford, GM, 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

P1140

Water In Fuel Condition

19 reference families · BMW, Chrysler, Dodge / Fiat, Ford, GM, Genesis / Hyundai / Kia, 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

P1141

Fuel Restriction Indicator Circuit Malfunction

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

P1142

Fuel Restriction Condition

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

P1143

Air Assist Control Valve Range/Performance

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

P1144

Air Assist Control Valve Circuit Malfunction

P1145

Solenoid Valve Running Losses Control Circuit Electrical

8 reference families · BMW, Ford, GM, Genesis / Hyundai / Kia, Infiniti / Nissan, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1146

Mass or Volume Air Flow Circ Supply Malfunction

8 reference families · Chrysler, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mercedes-Benz, Infiniti / Nissan, Generic OBD2, Subaru, Polestar / Volvo

P1147

Accelerator Position Sensor (ETS) Circuit; ETS Sub Accel Position Sensor 1 Malfunction

5 reference families · Genesis / Hyundai / Kia, Mercedes-Benz, Infiniti / Nissan, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1148

GENERATOR 2 CONTROL CIRCUIT

5 reference families · Ford, Mercedes-Benz, Infiniti / Nissan, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1149

HO2S 2 Bank 2 Signal Too High

7 reference families · BMW, Chrysler, Ford, Acura / Honda, Mercedes-Benz, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P114B

Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 1

1 reference families · Generic OBD2

P1150

Lack Of HO2S21 Switch - Adaptive Fuel At Limit

19 reference families · BMW, 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, Subaru, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1151

Lack Of HO2S21 Switch - Sensor Indicates Lean

19 reference families · BMW, Chrysler, Ford, Genesis / Hyundai / Kia, ISUZU, Jaguar / Land Rover, Lincoln, Mazda, Mercedes-Benz, 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

P1152

Lack Of HO2S21 Switch - Sensor Indicates Rich

18 reference families · BMW, 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, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1153

Bank 2 Fuel Control Shifted Lean

20 reference families · BMW, Chrysler, Dodge / Fiat, 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, Subaru, GAC / Lexus / Toyota, 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