| B0001 | OBD2 Automotive Error Code B0001: How to Fix It | critical | Hard |
| B0002 | OBD2 Automotive Error Code B0002: How to Fix It | critical | Hard |
| B0100 | OBD2 Error Code B0100: How to Fix It | critical | Hard |
| B1000 | OBD2 Error Code B1000: How to Fix It | critical | Hard |
| C0035 | OBD2 Automotive Error Code C0035: How to Fix It | high | Medium |
| C0040 | OBD2 Error Code C0040: How to Fix It | high | Medium |
| C0045 | OBD2 Error Code C0045: How to Fix It | high | Medium |
| C0050 | OBD2 Automotive Error Code C0050: How to Fix It | high | Medium |
| C0265 | OBD2 Error Code C0265: How to Fix It | high | Medium |
| C0300 | OBD2 Error Code C0300: How to Fix It | high | Medium |
| P0010 | OBD2 Automotive Error Code P0010: How to Fix It | high | Medium |
| P0011 | OBD2 Engine Error Code P0011: How to Fix It | high | Medium |
| P0012 | OBD2 Diagnostic Error Code P0012: How to Fix It | high | Medium |
| P0013 | OBD2 Error Code P0013: How to Fix It | high | Medium |
| P0014 | OBD2 Error Code P0014: How to Fix It | high | Medium |
| P0015 | OBD2 Error Code P0015: How to Fix It | high | Medium |
| P0016 | OBD2 Automotive Error Code P0016: How to Fix It | high | Hard |
| P0017 | OBD2 Error Code P0017: How to Fix It | high | Hard |
| P0020 | OBD2 Error Code P0020: How to Fix It | high | Medium |
| P0021 | OBD2 Automotive Error Code P0021: How to Fix It | high | Medium |
| P0022 | OBD2 Error Code P0022: How to Fix It | high | Medium |
| P0030 | OBD2 Automotive Error Code P0030: How to Fix It | medium | Medium |
| P0031 | OBD2 Error Code P0031: How to Fix It | medium | Medium |
| P0036 | OBD2 Error Code P0036: How to Fix It | medium | Medium |
| P0037 | OBD2 Error Code P0037: How to Fix It | medium | Medium |
| P0100 | OBD2 Error Code P0100: How to Fix It | high | Medium |
| P0101 | OBD2 Error Code P0101: How to Fix It | high | Medium |
| P0102 | OBD2 Error Code P0102: How to Fix It | high | Medium |
| P0103 | OBD2 Diagnostic Error Code P0103: How to Fix It | high | Medium |
| P0106 | OBD2 Error Code P0106: How to Fix It | high | Medium |
| P0107 | OBD2 Error Code P0107: How to Fix It | high | Medium |
| P0108 | OBD2 Error Code P0108: How to Fix It | high | Medium |
| P0110 | OBD2 Error Code P0110: How to Fix It | medium | Medium |
| P0111 | OBD2 Error Code P0111: How to Fix It | medium | Medium |
| P0112 | OBD2 Error Code P0112: How to Fix It | medium | Medium |
| P0113 | OBD2 Automotive Error Code P0113: How to Fix It | medium | Medium |
| P0115 | OBD2 Error Code P0115: How to Fix It | high | Medium |
| P0116 | OBD2 Error Code P0116: How to Fix It | high | Medium |
| P0117 | OBD2 Error Code P0117: How to Fix It | high | Medium |
| P0118 | OBD2 Error Code P0118: How to Fix It | high | Medium |
| P0120 | OBD2 Error Code P0120: How to Fix It | high | Medium |
| P0121 | OBD2 Error Code P0121: How to Fix It | high | Medium |
| P0122 | OBD2 Error Code P0122: How to Fix It | high | Medium |
| P0125 | OBD2 Diagnostic Error Code P0125: How to Fix It | medium | Medium |
| P0128 | OBD2 Automotive Error Code P0128: How to Fix It | medium | Medium |
| P0130 | OBD2 Automotive Error Code P0130: How to Fix It | high | Medium |
| P0131 | OBD2 Automotive Error Code P0131: How to Fix It | high | Medium |
| P0132 | OBD2 Error Code P0132: How to Fix It | high | Medium |
| P0133 | OBD2 Error Code P0133: How to Fix It | high | Medium |
| P0134 | OBD2 Error Code P0134: How to Fix It | high | Medium |
| P0135 | OBD2 Automotive Error Code P0135: How to Fix It | medium | Medium |
| P0136 | OBD2 Error Code P0136: How to Fix It | high | Medium |
| P0137 | OBD2 Error Code P0137: How to Fix It | high | Medium |
| P0138 | OBD2 Error Code P0138: How to Fix It | high | Medium |
| P0141 | OBD2 Error Code P0141: How to Fix It | medium | Medium |
| P0150 | OBD2 Error Code P0150: How to Fix It | high | Medium |
| P0151 | OBD2 Error Code P0151: How to Fix It | high | Medium |
| P0152 | OBD2 Error Code P0152: How to Fix It | high | Medium |
| P0153 | OBD2 Error Code P0153: How to Fix It | high | Medium |
| P0154 | OBD2 Error Code P0154: How to Fix It | high | Medium |
| P0155 | OBD2 Error Code P0155: How to Fix It | medium | Medium |
| P0171 | OBD2 Automotive Error Code P0171: How to Fix It | high | Medium |
| P0172 | OBD2 Error Code P0172: How to Fix It | high | Medium |
| P0174 | OBD2 Automotive Error Code P0174: How to Fix It | high | Medium |
| P0175 | OBD2 Error Code P0175: How to Fix It | high | Medium |
| P0200 | OBD2 Error Code P0200: How to Fix It | high | Medium |
| P0201 | OBD2 Error Code P0201: How to Fix It | high | Medium |
| P0202 | OBD2 Error Code P0202: How to Fix It | high | Medium |
| P0203 | OBD2 Error Code P0203: How to Fix It | high | Medium |
| P0204 | OBD2 Error Code P0204: How to Fix It | high | Medium |
| P0205 | OBD2 Error Code P0205: How to Fix It | high | Medium |
| P0206 | OBD2 Error Code P0206: How to Fix It | high | Medium |
| P0218 | OBD2 Automotive Error Code P0218: How to Fix It | critical | Medium |
| P0219 | OBD2 Automotive Error Code P0219: How to Fix It | critical | Hard |
| P0220 | OBD2 Error Code P0220: How to Fix It | high | Medium |
| P0230 | OBD2 Error Code P0230: How to Fix It | high | Medium |
| P0234 | OBD2 Error Code P0234: How to Fix It | critical | Hard |
| P0243 | OBD2 Error Code P0243: How to Fix It | high | Medium |
| P0244 | OBD2 Automotive Error Code P0244: How to Fix It | high | Medium |
| P0299 | OBD2 Error Code P0299: How to Fix It | high | Medium |
| P0300 | OBD2 Automotive Error Code P0300: How to Fix It | high | Medium |
| P0301 | OBD2 Automotive Error Code P0301: How to Fix It | high | Medium |
| P0302 | OBD2 Automotive Error Code P0302: How to Fix It | high | Medium |
| P0303 | OBD2 Automotive Error Code P0303: How to Fix It | high | Medium |
| P0304 | OBD2 Automotive Error Code P0304: How to Fix It | high | Medium |
| P0305 | OBD2 Automotive Error Code P0305: How to Fix It | high | Medium |
| P0306 | OBD2 Engine Error Code P0306: How to Fix It | high | Medium |
| P0307 | OBD2 Error Code P0307: How to Fix It | high | Medium |
| P0308 | OBD2 Automotive Error Code P0308: How to Fix It | high | Medium |
| P0325 | OBD2 Error Code P0325: How to Fix It | high | Medium |
| P0326 | OBD2 Error Code P0326: How to Fix It | medium | Medium |
| P0330 | OBD2 Automotive Error Code P0330: How to Fix It | high | Medium |
| P0335 | OBD2 Automotive Error Code P0335: How to Fix It | critical | Medium |
| P0336 | OBD2 Error Code P0336: How to Fix It | high | Medium |
| P0340 | OBD2 Automotive Error Code P0340: How to Fix It | high | Medium |
| P0341 | OBD2 Error Code P0341: How to Fix It | high | Medium |
| P0345 | OBD2 Error Code P0345: How to Fix It | critical | Medium |
| P0351 | OBD2 Error Code P0351: How to Fix It | high | Medium |
| P0352 | OBD2 Error Code P0352: How to Fix It | high | Medium |
| P0353 | OBD2 Error Code P0353: How to Fix It | high | Medium |
| P0354 | OBD2 Error Code P0354: How to Fix It | high | Medium |
| P0400 | OBD2 Error Code P0400: How to Fix It | medium | Medium |
| P0401 | OBD2 Automotive Error Code P0401: How to Fix It | medium | Medium |
| P0402 | OBD2 Automotive Error Code P0402: How to Fix It | medium | Medium |
| P0410 | OBD2 Error Code P0410: How to Fix It | medium | Medium |
| P0411 | OBD2 Automotive Error Code P0411: How to Fix It | medium | Medium |
| P0420 | OBD2 Automotive Error Code P0420: How to Fix It | medium | Medium |
| P0421 | OBD2 Error Code P0421: How to Fix It | medium | Medium |
| P0430 | OBD2 Error Code P0430: How to Fix It | medium | Medium |
| P0440 | OBD2 Automotive Error Code P0440: How to Fix It | medium | Medium |
| P0441 | OBD2 Automotive Error Code P0441: How to Fix It | medium | Medium |
| P0442 | OBD2 Automotive Error Code P0442: How to Fix It | medium | Medium |
| P0443 | OBD2 Error Code P0443: How to Fix It | medium | Medium |
| P0446 | OBD2 Automotive Error Code P0446: How to Fix It | medium | Medium |
| P0449 | OBD2 Error Code P0449: How to Fix It | medium | Medium |
| P0450 | OBD2 Error Code P0450: How to Fix It | medium | Medium |
| P0451 | OBD2 Error Code P0451: How to Fix It | medium | Medium |
| P0455 | OBD2 Automotive Error Code P0455: How to Fix It | high | Medium |
| P0456 | OBD2 Automotive Error Code P0456: How to Fix It | low | Easy |
| P0500 | OBD2 Automotive Error Code P0500: How to Fix It | high | Medium |
| P0501 | OBD2 Error Code P0501: How to Fix It | high | Medium |
| P0505 | OBD2 Error Code P0505: How to Fix It | high | Medium |
| P0506 | OBD2 Error Code P0506: How to Fix It | medium | Medium |
| P0507 | OBD2 Error Code P0507: How to Fix It | medium | Medium |
| P0520 | OBD2 Automotive Error Code P0520: How to Fix It | critical | Medium |
| P0521 | OBD2 Automotive Error Code P0521: How to Fix It | critical | Medium |
| P0562 | OBD2 Automotive Error Code P0562: How to Fix It | high | Medium |
| P0563 | OBD2 Automotive Error Code P0563: How to Fix It | high | Medium |
| P0600 | OBD2 Error Code P0600: How to Fix It | critical | Hard |
| P0601 | OBD2 Automotive Error Code P0601: How to Fix It | critical | Hard |
| P0602 | OBD2 Automotive Error Code P0602: How to Fix It | critical | Medium |
| P0606 | OBD2 Error Code P0606: How to Fix It | critical | Hard |
| P0700 | OBD2 Automotive Error Code P0700: How to Fix It | critical | Medium |
| P0705 | OBD2 Error Code P0705: How to Fix It | high | Medium |
| P0710 | OBD2 Automotive Error Code P0710: How to Fix It | high | Medium |
| P0715 | OBD2 Automotive Error Code P0715: How to Fix It | high | Medium |
| P0720 | OBD2 Error Code P0720: How to Fix It | high | Medium |
| P0725 | OBD2 Automotive Error Code P0725: How to Fix It | high | Medium |
| P0730 | OBD2 Error Code P0730: How to Fix It | high | Hard |
| P0731 | OBD2 Error Code P0731: How to Fix It | high | Medium |
| P0732 | OBD2 Automotive Error Code P0732: How to Fix It | high | Medium |
| P0733 | OBD2 Error Code P0733: How to Fix It | high | Medium |
| P0734 | OBD2 Vehicle Error Code P0734: How to Fix It | high | Medium |
| P0741 | OBD2 Automotive Error Code P0741: How to Fix It | high | Medium |
| P0742 | OBD2 Automotive Error Code P0742: How to Fix It | high | Medium |
| P0748 | OBD2 Error Code P0748: How to Fix It | high | Hard |
| P0750 | OBD2 Automotive Error Code P0750: How to Fix It | high | Hard |
| P0755 | OBD2 Error Code P0755: How to Fix It | high | Hard |
| P0760 | OBD2 Error Code P0760: How to Fix It | high | Hard |
| P0765 | OBD2 Error Code P0765: How to Fix It | high | Medium |
| P0770 | OBD2 Automotive Error Code P0770: How to Fix It | high | Hard |
| P0775 | OBD2 Automotive Error Code P0775: How to Fix It | high | Hard |
| U0100 | OBD2 Automotive Error Code U0100: How to Fix It | critical | Medium |
| U0101 | OBD2 Error Code U0101: How to Fix It | critical | Medium |
| U0121 | OBD2 Error Code U0121: How to Fix It | critical | Medium |
| U0140 | OBD2 Error Code U0140: How to Fix It | high | Medium |
| U0155 | OBD2 Error Code U0155: How to Fix It | medium | Medium |
| U1000 | OBD2 Automotive Error Code U1000: How to Fix It | critical | Medium |