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

23,879 matches

Page 680 · 20371–20400 shown

P178211

Mode switching motor: short to ground

1 reference families · Euler / Great Wall / Harvard / Haval

P1783

Transmission Overtemperature Condition

12 reference families · Chrysler, Ford, Lincoln, Mazda, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, GAC / Lexus / Toyota

P178300

[CVT25]: SBW Safety Fault

2 reference families · Chery, Euler / Great Wall / Harvard / Haval

P178377

Mode switch motor: Timed out for position change

1 reference families · Euler / Great Wall / Harvard / Haval

P1784

Transmission Mechanical Failure - First And Reverse

11 reference families · Chrysler, Ford, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P178400

[CVT25]: SBW Internal Communication Fault

1 reference families · Chery

P1785

Transmission Mechanical Failure - First And Second

13 reference families · Chrysler, Ford, GM, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P178500

[CVT25]: SBW External Input Fault

1 reference families · Chery

P1786

3-2 Downshift Error

13 reference families · Chrysler, Ford, GM, Genesis / Hyundai / Kia, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P178600

[CVT25]: SBW Electrical Fault

1 reference families · Chery

P1787

2-1 Downshift Error

P178700

[CVT25]: SBW Over Temperature

2 reference families · Chery, Euler / Great Wall / Harvard / Haval

P178711

Mode switch motor position encoder: short to ground

1 reference families · Euler / Great Wall / Harvard / Haval

P1788

Pressure Control Solenoid -B- Open Circuit

13 reference families · Chrysler, Ford, Lincoln, Mazda, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P178800

[CVT25]: SBW Not Tuned

2 reference families · Chery, Euler / Great Wall / Harvard / Haval

P178801

Mode switch motor position encoder: invalid position

1 reference families · Euler / Great Wall / Harvard / Haval

P1789

Pressure Control Solenoid -B- Short Circuit

15 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, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P178900

[CVT25]: SBW PID Control Fault

1 reference families · Chery

P1790

TP (Mechanical) Circuit Malfunction

15 reference families · Chrysler, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P179000

[CVT25]: SBW Mechanical Fault

1 reference families · Chery

P1791

TP (Electric) Circuit Malfunction

14 reference families · Chrysler, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1792

Barometer Pressure Circuit Malfunction

P1793

Intake Air Volume Circuit Malfunction

16 reference families · Chrysler, Ford, GM, Acura / Honda, Genesis / Hyundai / Kia, ISUZU, Jaguar / Land Rover, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1794

Battery Voltage Circuit Malfunction

11 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lambo, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton

P1795

Idle Switch Circuit Malfunction

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, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1796

Kick Down Switch Circuit Malfunction

12 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1797

Neutral Switch Circuit Malfunction

13 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lambo, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1798

Coolant Temperature Circuit Malfunction

13 reference families · Chrysler, Ford, Genesis / Hyundai / Kia, Jaguar / Land Rover, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1799

Hold Switch Circuit Malfunction

P179A

CAN ECM / TURBOCHARGER BOOST CONTROL "A" ACTUATOR CIRCUIT MALFUNCTION

1 reference families · Ford

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