| C1201 | Toyota Error Code C1201: How to Fix It | high | Medium |
| C1241 | Toyota Error Code C1241: How to Fix It | medium | Medium |
| P0011 (Toyota) | Toyota Engine Error Code P0011: How to Fix It | high | Hard |
| P0102 | Toyota Error Code P0102: How to Fix It | high | Medium |
| P0125 | Toyota P0125 Error Code: How to Fix It | medium | Medium |
| P0420 (Toyota) | Toyota Error Code P0420: How to Fix It | medium | Medium |
| P0441 | Toyota Error Code P0441: How to Fix It | low | Medium |
| P0446 (Toyota) | Toyota Error Code P0446: How to Fix It | medium | Medium |
| P1100 | Toyota Error Code P1100: How to Fix It | low | Medium |
| P1115 | Toyota Error Code P1115: How to Fix It | medium | Medium |
| P1120 | Toyota Error Code P1120: How to Fix It | high | Medium |
| P1121 | Toyota Error Code P1121: How to Fix It | high | Medium |
| P1125 | Toyota Error Code P1125: How to Fix It | high | Medium |
| P1126 | Toyota Error Code P1126: How to Fix It | high | Medium |
| P1127 | Toyota Error Code P1127: How to Fix It | high | Medium |
| P1128 | Toyota Error Code P1128: How to Fix It | high | Medium |
| P1129 | Toyota Error Code P1129: How to Fix It | high | Medium |
| P1130 | Toyota Error Code P1130: How to Fix It | medium | Medium |
| P1133 | Toyota Error Code P1133: How to Fix It | medium | Medium |
| P1135 | Toyota Error Code P1135: How to Fix It | medium | Medium |
| P1150 | Toyota Error Code P1150: How to Fix It | medium | Medium |
| P1153 | Toyota P1153 Error Code: How to Fix It | medium | Medium |
| P1155 | Toyota Error Code P1155: How to Fix It | medium | Medium |
| P1300 | Toyota Error Code P1300: How to Fix It | high | Medium |
| P1305 | Toyota P1305 Error Code: How to Fix It | high | Medium |
| P1310 | Toyota Error Code P1310: How to Fix It | high | Medium |
| P1335 | Toyota Error Code P1335: How to Fix It | high | Medium |
| P1340 | Toyota Error Code P1340: How to Fix It | high | Medium |
| P1346 | Toyota Error Code P1346: How to Fix It | high | Hard |
| P1349 | Toyota Error Code P1349: How to Fix It | high | Hard |
| P1354 | Toyota Error Code P1354: How to Fix It | high | Medium |
| P1410 | Toyota P1410 Error Code: How to Fix It | medium | Medium |
| P1455 | Toyota Error Code P1455: How to Fix It | low | Medium |
| P1500 | Toyota Error Code P1500: How to Fix It | medium | Medium |
| P1520 | Toyota Error Code P1520: How to Fix It | medium | Medium |
| P1565 | Toyota Error Code P1565: How to Fix It | low | Medium |
| P1600 | Toyota Error Code P1600: How to Fix It | medium | Medium |
| P1604 | Toyota Engine Error Code P1604: How to Fix It | medium | Medium |
| P1605 | Toyota Error Code P1605: How to Fix It | high | Medium |
| P1633 | Toyota Error Code P1633: How to Fix It | high | Medium |
| P1656 | Toyota OCV Error Code P1656: How to Fix It | high | Medium |
| P1700 | Toyota Error Code P1700: How to Fix It | medium | Medium |
| P1705 | Toyota Error Code P1705: How to Fix It | high | Medium |
| P1725 | Toyota Error Code P1725: How to Fix It | high | Medium |
| P1730 | Toyota Error Code P1730: How to Fix It | high | Hard |
| P1755 | Toyota Error Code P1755: How to Fix It | high | Medium |
| P1760 | Toyota Error Code P1760: How to Fix It | high | Hard |
| P1780 | Toyota P1780 Error Code: How to Fix It | medium | Medium |
| P1815 | Toyota Error Code P1815: How to Fix It | low | Medium |