Browse all OBDII U diagnostic trouble codes. Click any code to see meaning, symptoms, causes, diagnostics, repairs, and costs.
| Code | Type | Action |
|---|---|---|
| U031C | Diagnostic |
Diagnose
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| U031D | Diagnostic |
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| U031E | Diagnostic |
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| U031F | Diagnostic |
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| U0320 | Diagnostic |
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| U0321 | Diagnostic |
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| U0322 | Diagnostic |
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| U0323 | Diagnostic |
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| U0324 | Diagnostic |
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| U0325 | Diagnostic |
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| U0326 | Diagnostic |
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| U0327 | Diagnostic |
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| U0328 | Diagnostic |
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| U0329 | Diagnostic |
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| U032A | Diagnostic |
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| U0330 | Diagnostic |
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| U0331 | Diagnostic |
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| U0332 | Diagnostic |
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| U0333 | Diagnostic |
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| U0334 | Diagnostic |
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| U0335 | Diagnostic |
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| U0336 | Diagnostic |
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| U0337 | Diagnostic |
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| U0338 | Diagnostic |
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| U0339 | Diagnostic |
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| U033A | Diagnostic |
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| U033B | Diagnostic |
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| U033C | Diagnostic |
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| U033D | Diagnostic |
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| U033E | Diagnostic |
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| U033F | Diagnostic |
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| U0340 | Diagnostic |
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| U0341 | Diagnostic |
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| U0342 | Diagnostic |
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| U0343 | Diagnostic |
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| U0344 | Diagnostic |
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| U0345 | Diagnostic |
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| U0346 | Diagnostic |
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| U0347 | Diagnostic |
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| U0348 | Diagnostic |
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| U0349 | Diagnostic |
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| U034A | Diagnostic |
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| U034B | Diagnostic |
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| U034C | Diagnostic |
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| U034D | Diagnostic |
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| U034E | Diagnostic |
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| U034F | Diagnostic |
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| U0350 | Diagnostic |
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| U0351 | Diagnostic |
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| U0352 | Diagnostic |
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| U0353 | Diagnostic |
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| U0354 | Diagnostic |
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| U0400 | Diagnostic |
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| U0401 | Diagnostic |
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| U0402 | Diagnostic |
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| U0403 | Diagnostic |
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| U0404 | Diagnostic |
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| U0405 | Diagnostic |
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| U0406 | Diagnostic |
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| U0407 | Diagnostic |
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| U0408 | Diagnostic |
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| U0409 | Diagnostic |
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| U040A | Diagnostic |
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| U040B | Diagnostic |
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| U040C | Diagnostic |
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| U040D | Diagnostic |
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| U040E | Diagnostic |
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| U040F | Diagnostic |
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| U0410 | Diagnostic |
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| U0411 | Diagnostic |
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| U0412 | Diagnostic |
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| U0413 | Diagnostic |
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| U0414 | Diagnostic |
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| U0415 | Diagnostic |
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| U0416 | Diagnostic |
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| U0417 | Diagnostic |
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| U0418 | Diagnostic |
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| U0419 | Diagnostic |
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| U041A | Diagnostic |
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| U041B | Diagnostic |
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| U041C | Diagnostic |
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| U041D | Diagnostic |
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| U041E | Diagnostic |
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| U041F | Diagnostic |
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| U0420 | Diagnostic |
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| U0421 | Diagnostic |
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| U0422 | Diagnostic |
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| U0423 | Diagnostic |
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| U0424 | Diagnostic |
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| U0425 | Diagnostic |
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| U0426 | Diagnostic |
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| U0427 | Diagnostic |
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| U0428 | Diagnostic |
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| U0429 | Diagnostic |
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| U042A | Diagnostic |
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| U042B | Diagnostic |
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| U042C | Diagnostic |
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| U042D | Diagnostic |
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| U042E | Diagnostic |
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| U042F | Diagnostic |
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