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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 673 · 20161–20190 shown
P1660
Output Circuit Check Signal High

17 reference families · Chrysler, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, Lambo, Lincoln, 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

P1661
MIL Control Circuit

13 reference families · Chrysler, Ford, GM, 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

P1662
Cruise Lamp Control Circuit

15 reference families · Alfa Romeo, Chrysler, Ford, GM, Lincoln, 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

P1663
Oil Life Lamp Control Circuit

15 reference families · BMW, Chrysler, Ford, GM, Lincoln, 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

P1665
Driver 3 Line 5

5 reference families · GM, Genesis / Hyundai / Kia, Lambo, Saab, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1667
CI Circuit Malfunction

13 reference families · Chrysler, Ford, GM, 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

P1668
PCM - IDM Communications Error

12 reference families · Chrysler, Ford, 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

P1670
Electronic Feedback Signal Not Detected

16 reference families · BMW, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Dacia / Renault, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1673
Boost Pressure Sensor Supply

6 reference families · Chrysler, Dodge / Fiat, GM, Genesis / Hyundai / Kia, Porsche, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1674
Mass Air Flow Sensor Supply

6 reference families · Chrysler, Dodge / Fiat, Ford, GM, Genesis / Hyundai / Kia, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1676
Driver 4 Line 6

5 reference families · GM, Acura / Honda, Saab, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1679
Calibration Not Learned

5 reference families · Chrysler, GM, Acura / Honda, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1680
Metering Oil Pump Malfunction

14 reference families · Chrysler, Dodge / Fiat, Ford, GM, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Plymouth, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1681
Metering Oil Pump Malfunction

14 reference families · Chrysler, Dodge / Fiat, Ford, GM, Acura / Honda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Plymouth, 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