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Most Common OBD-II Trouble Codes

OBD-II Code

Code Description

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Find your OBD-II Trouble Code

Check engine light on? Find your trouble code and get help with diagnosis and repair.

Search for a trouble code:

Need a diagnosis? Trust our experts.

RepairPal Certified shops provide expert diagnostics and repairs with transparent upfront pricing and a minimum 12-month or 12,000-mile warranty on all services.

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Find your OBD-II Trouble Code

Check engine light on? Find your trouble code and get help with diagnosis and repair.

Search for a trouble code:

Need a diagnosis? Trust our experts.

Most Common OBD-II Trouble Codes

Find your OBD-II Trouble Code

Check engine light on? Find your trouble code and get help with diagnosis and repair.

Search for a trouble code:

Need a diagnosis? Trust our experts.

Get an estimate

Get it fixed

FREE advice from our experts

OBD Codes by Range

OBD Code Resources

Most Common OBD-II Trouble Codes

BXXXX

CXXXX

UXXXX

P00XX

P01XX

P02XX

P03XX

P04XX

P05XX

P06XX

P07XX

P08XX

P09XX

P0AXX

P0BXX

P0CXX

P10XX

P21XX

P22XX

P23XX

P24XX

P25XX

P26XX

P27XX

P28XX

P2AXX

P2BXX

P3XXX