Diagnostic Code Library

Identify vehicle issues quickly with our comprehensive fault code search engine. Enter your code below to get started.

OBD-II Fault Code Lookup

Enter your diagnostic trouble code (DTC) to find out what's wrong.

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P

Powertrain

Codes overlapping engine, transmission, and drivetrain components.

B

Body

Issues related to "inside the car" functions like airbags, A/C, and lighting.

C

Chassis

Mechanical systems outside the cabin such as braking, steering, and suspension.