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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 654 · 19591–19620 shown
P1302
Boost Calibration Low

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

P1303
EGR Calibration Fault

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

P1304
EGR Calibration High

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

P1305
EGR Calibration Low

14 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Lincoln, 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

P1306
Kickdown Relay Pull - In Circuit Fault

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

P1307
Kickdown Relay Hold Circuit Fault

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

P1308
A/C Clutch Circuit Fault

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

P1309
Misfire Monitor AICE Chip Fault

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

P1313
Misfire Rate Catalyst Damage Fault - Bank 1

12 reference families · BMW, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1314
Misfire Rate Catalyst Damage Fault - Bank 2

12 reference families · Chrysler, Dodge / Fiat, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Porsche, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot

P1315
Persistent Misfire

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

P1316
Injector Circuit / IDM Codes Detected

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

P1317
Injector Circuit / IDM Codes Not Updated

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

P1324
Crank RPM Too Low

6 reference families · GM, Acura / Honda, Genesis / Hyundai / Kia, Porsche, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

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