DTC Library

All diagnostic trouble codes

663 standard OBD-II codes, grouped by system. Tap a code to see what it means.

Auxiliary Emissions Controls (55)

P0400 P0401 P0402 P0403 P0404 P0405 P0406 P0407 P0408 P0410 P0411 P0412 P0413 P0414 P0415 P0416 P0417 P0418 P0420 P0421 P0430 P0431 P0440 P0441 P0442 P0443 P0444 P0445 P0446 P0447 P0448 P0449 P0450 P0451 P0452 P0453 P0454 P0455 P0456 P0457 P0460 P0461 P0462 P0463 P0464 P0470 P0471 P0472 P0473 P0480 P0481 P0482 P0483 P0484 P0485

Body & Restraint Systems (3)

B0001 B0002 B0010

Chassis & Wheel Speed Sensors (4)

C0031 C0034 C0037 C0040

Computer & Output Circuit (49)

P0600 P0601 P0602 P0603 P0604 P0605 P0606 P0607 P0610 P0615 P0616 P0617 P0620 P0621 P0622 P0627 P0628 P0629 P0630 P0631 P0633 P0634 P0638 P0641 P0642 P0643 P0645 P0646 P0647 P0650 P0651 P0652 P0653 P0654 P0656 P0657 P0660 P0661 P0662 P0685 P0686 P0687 P0688 P0689 P0690 P0691 P0692 P0693 P0694

Fuel & Air Metering (Injector Circuit) (61)

P0200 P0201 P0202 P0203 P0204 P0205 P0206 P0207 P0208 P0209 P0210 P0211 P0212 P0213 P0214 P0215 P0216 P0217 P0218 P0219 P0220 P0221 P0222 P0223 P0230 P0231 P0232 P0233 P0234 P0235 P0236 P0237 P0238 P0243 P0245 P0246 P0261 P0262 P0263 P0264 P0265 P0266 P0267 P0268 P0269 P0270 P0271 P0272 P0273 P0274 P0275 P0276 P0277 P0278 P0279 P0280 P0281 P0282 P0283 P0284 P0298

Fuel, Air & Emissions (Extended) (117)

P2000 P2001 P2002 P2003 P2004 P2005 P2006 P2007 P2008 P2009 P2010 P2014 P2015 P2016 P2017 P2088 P2089 P2090 P2091 P2092 P2093 P2094 P2095 P2096 P2097 P2098 P2099 P2100 P2101 P2102 P2103 P2104 P2105 P2106 P2107 P2108 P2110 P2111 P2112 P2118 P2119 P2120 P2121 P2122 P2123 P2125 P2127 P2128 P2135 P2138 P2176 P2177 P2178 P2179 P2180 P2181 P2183 P2184 P2185 P2187 P2188 P2189 P2190 P2195 P2196 P2197 P2198 P2199 P2200 P2201 P2202 P2203 P2227 P2228 P2229 P2263 P2270 P2271 P2272 P2273 P2279 P2290 P2293 P2299 P2400 P2401 P2402 P2404 P2413 P2422 P2440 P2441 P2442 P2443 P2444 P2445 P2458 P2459 P2463 P2502 P2503 P2504 P2530 P2560 P2610 P2614 P2617 P2635 P2646 P2647 P2648 P2649 P2714 P2716 P2761 P2769 P2770

Ignition System or Misfire (67)

P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 P0309 P0310 P0311 P0312 P0313 P0314 P0315 P0316 P0320 P0321 P0322 P0323 P0324 P0325 P0326 P0327 P0328 P0330 P0331 P0332 P0333 P0335 P0336 P0337 P0338 P0339 P0340 P0341 P0342 P0343 P0344 P0345 P0346 P0347 P0348 P0349 P0350 P0351 P0352 P0353 P0354 P0355 P0356 P0357 P0358 P0359 P0360 P0361 P0362 P0365 P0366 P0367 P0368 P0369 P0380 P0381 P0382 P0390

Ignition, Misfire & Emissions Control (Extended) (10)

P3400 P3401 P3409 P3417 P3425 P3433 P3441 P3449 P3457 P3497

Network & Communication (26)

U0001 U0002 U0100 U0101 U0102 U0103 U0104 U0107 U0109 U0121 U0126 U0128 U0131 U0140 U0146 U0151 U0155 U0164 U0184 U0300 U0301 U0401 U0402 U0415 U0422 U0428

Vehicle Speed & Idle Control (35)

P0500 P0501 P0502 P0503 P0505 P0506 P0507 P0510 P0512 P0513 P0520 P0521 P0522 P0523 P0524 P0530 P0531 P0532 P0533 P0534 P0544 P0545 P0546 P0550 P0551 P0552 P0553 P0554 P0560 P0561 P0562 P0563 P0571 P0572 P0573