Browse all OBDII U diagnostic trouble codes. Click any code to see meaning, symptoms, causes, diagnostics, repairs, and costs.
| Code | Type | Action |
|---|---|---|
| U049D | Diagnostic |
Diagnose
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| U049E | Diagnostic |
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| U049F | Diagnostic |
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| U04A0 | Diagnostic |
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| U04A1 | Diagnostic |
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| U04A2 | Diagnostic |
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| U04A3 | Diagnostic |
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| U04A4 | Diagnostic |
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| U04A5 | Diagnostic |
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| U04A6 | Diagnostic |
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| U04A7 | Diagnostic |
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| U04A8 | Diagnostic |
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| U04A9 | Diagnostic |
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| U04AA | Diagnostic |
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| U04AB | Diagnostic |
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| U04AC | Diagnostic |
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| U04AD | Diagnostic |
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| U04AE | Diagnostic |
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| U04AF | Diagnostic |
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| U04B0 | Diagnostic |
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| U04B1 | Diagnostic |
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| U04B2 | Diagnostic |
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| U04B3 | Diagnostic |
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| U04B4 | Diagnostic |
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| U04B5 | Diagnostic |
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| U04B6 | Diagnostic |
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| U04BA | Diagnostic |
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| U04BB | Diagnostic |
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| U04BC | Diagnostic |
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| U04BD | Diagnostic |
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| U04BE | Diagnostic |
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| U04BF | Diagnostic |
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| U04C0 | Diagnostic |
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| U0501 | Diagnostic |
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| U0502 | Diagnostic |
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| U0503 | Diagnostic |
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| U0504 | Diagnostic |
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| U0505 | Diagnostic |
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| U0506 | Diagnostic |
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| U0507 | Diagnostic |
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| U0508 | Diagnostic |
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| U0509 | Diagnostic |
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| U050A | Diagnostic |
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| U050B | Diagnostic |
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| U050C | Diagnostic |
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| U050D | Diagnostic |
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| U050E | Diagnostic |
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| U0511 | Diagnostic |
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| U0512 | Diagnostic |
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| U0513 | Diagnostic |
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| U0514 | Diagnostic |
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| U0515 | Diagnostic |
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| U0516 | Diagnostic |
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| U0517 | Diagnostic |
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| U0518 | Diagnostic |
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| U0519 | Diagnostic |
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| U051A | Diagnostic |
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| U0521 | Diagnostic |
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| U0522 | Diagnostic |
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| U0523 | Diagnostic |
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| U0524 | Diagnostic |
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| U0525 | Diagnostic |
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| U0526 | Diagnostic |
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| U0527 | Diagnostic |
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| U0528 | Diagnostic |
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| U0529 | Diagnostic |
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| U052A | Diagnostic |
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| U052F | Diagnostic |
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| U0530 | Diagnostic |
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| U0531 | Diagnostic |
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| U0532 | Diagnostic |
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| U0533 | Diagnostic |
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| U0534 | Diagnostic |
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| U0535 | Diagnostic |
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| U0536 | Diagnostic |
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| U0537 | Diagnostic |
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| U0538 | Diagnostic |
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| U0539 | Diagnostic |
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| U053A | Diagnostic |
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| U053B | Diagnostic |
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| U053C | Diagnostic |
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| U053D | Diagnostic |
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| U0541 | Diagnostic |
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| U0542 | Diagnostic |
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| U0543 | Diagnostic |
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| U0544 | Diagnostic |
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| U0545 | Diagnostic |
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| U0546 | Diagnostic |
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| U0547 | Diagnostic |
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| U0548 | Diagnostic |
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| U0549 | Diagnostic |
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| U054A | Diagnostic |
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| U054B | Diagnostic |
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| U054C | Diagnostic |
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| U054D | Diagnostic |
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| U054E | Diagnostic |
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| U054F | Diagnostic |
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| U0550 | Diagnostic |
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| U0551 | Diagnostic |
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| U0552 | Diagnostic |
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