No fluff. No paywall. Just the ticket.

Type the code. Get the diagnosis.

Ranked causes, real symptoms, honest cost ranges, and the exact part.

Have a pre-1996 OBD1 car? Jump to OBD1 codes →

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Your Garage

Save your vehicle once, then get parts that actually match it.

Nothing parked yet.

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OBD1 Codes (Pre-1996)

OBD1 was never standardized — pick a manufacturer below.

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Manufacturer-Specific Codes (P1xxx)

P1xxx and other extended codes aren't part of the universal SAE standard — each brand defines its own. This is a representative sample per brand, not exhaustive.

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Full Generic Code Index

Every standard SAE generic code on file, plus notes on manufacturer-specific ranges. Click any row to look it up.

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About This Shop

OBD Bay is a reference tool, not a replacement for a scan on your actual car.

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Contact Us

Found a bug, have a question, or spotted something wrong with a code? We want to know.

For questions, bug reports, or anything not working right, email us and we'll get back to you.

support@obdbay.org

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