OBD-I TROUBLE CODE LOOKUP
Search 397 pre-1996 diagnostic trouble codes across GM, Ford and Chrysler.
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READING CODES
- How to read GM OBD-I codesGuide for GM pre-1996 codes.
- How to read Ford OBD-I codesGuide for Ford pre-1996 codes.
- How to read Chrysler OBD-I codesGuide for Chrysler pre-1996 codes.
- Read the general guideLearn how OBD-I codes work and how to read them.
Note: A code number can mean different things across makes. Always check the code list for your vehicle’s make.