Generic Fault Codes & DTC List
Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.
| Code | Meaning | Applicability |
|---|---|---|
| P029A | Cylinder 1 - Fuel Trim at Max Limit | Generic Generic OBD |
| P029B | Cylinder 1 - Fuel Trim at Min Limit | Generic Generic OBD |
| P029C | Cylinder 1 - Injector Restricted | Generic Generic OBD |
| P029D | Cylinder 1 - Injector Leaking | Generic Generic OBD |
| P029E | Cylinder 2 - Fuel Trim at Max Limit | Generic Generic OBD |
| P029F | Cylinder 2 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02A0 | Cylinder 2 - Injector Restricted | Generic Generic OBD |
| P02A1 | Cylinder 2 - Injector Leaking | Generic Generic OBD |
| P02A2 | Cylinder 3 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02A3 | Cylinder 3 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02A4 | Cylinder 3 - Injector Restricted | Generic Generic OBD |
| P02A5 | Cylinder 3 - Injector Leaking | Generic Generic OBD |
| P02A6 | Cylinder 4 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02A7 | Cylinder 4 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02A8 | Cylinder 4 - Injector Restricted | Generic Generic OBD |
| P02A9 | Cylinder 4 - Injector Leaking | Generic Generic OBD |
| P02AA | Cylinder 5 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02AB | Cylinder 5 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02AC | Cylinder 5 - Injector Restricted | Generic Generic OBD |
| P02AD | Cylinder 5 - Injector Leaking | Generic Generic OBD |
| P02AE | Cylinder 6 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02AF | Cylinder 6 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02B0 | Cylinder 6 - Injector Restricted | Generic Generic OBD |
| P02B1 | Cylinder 6 - Injector Leaking | Generic Generic OBD |
| P02B2 | Cylinder 7 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02B3 | Cylinder 7 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02B4 | Cylinder 7 - Injector Restricted | Generic Generic OBD |
| P02B5 | Cylinder 7 - Injector Leaking | Generic Generic OBD |
| P02B6 | Cylinder 8 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02B7 | Cylinder 8 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02B8 | Cylinder 8 - Injector Restricted | Generic Generic OBD |
| P02B9 | Cylinder 8 - Injector Leaking | Generic Generic OBD |
| P02BA | Cylinder 9 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02BB | Cylinder 9 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02BC | Cylinder 9 - Injector Restricted | Generic Generic OBD |
| P02BD | Cylinder 9 - Injector Leaking | Generic Generic OBD |
| P02BE | Cylinder 10 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02BF | Cylinder 10 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02C0 | Cylinder 10 - Injector Restricted | Generic Generic OBD |
| P02C1 | Cylinder 10 - Injector Leaking | Generic Generic OBD |
| P02C2 | Cylinder 11 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02C3 | Cylinder 11 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02C4 | Cylinder 11 - Injector Restricted | Generic Generic OBD |
| P02C5 | Cylinder 11 - Injector Leaking | Generic Generic OBD |
| P02C6 | Cylinder 12 - Fuel Trim at Max Limit | Generic Generic OBD |
| P02C7 | Cylinder 12 - Fuel Trim at Min Limit | Generic Generic OBD |
| P02C8 | Cylinder 12 - Injector Restricted | Generic Generic OBD |
| P02C9 | Cylinder 12 - Injector Leaking | Generic Generic OBD |
| P02CA | Turbocharger/Supercharger "B" Overboost Condition | Generic Generic OBD |
| P02CB | Turbocharger/Supercharger "B" Underboost Condition | Generic Generic OBD |
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