These 21 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 21 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P015E | Excessive Time to Enter Closed Loop Fuel Timing Control | 3 ranked fixes |
| P015F | Excessive Time to Enter Closed Loop Cylinder Balance Control | 3 ranked fixes |
| P016A | Excessive Time To Enter Closed Loop Air/Fuel Ratio Control | 3 ranked fixes |
| P016B | Closed Loop Air/Fuel Ratio Control At Limit - System Too Rich | 3 ranked fixes |
| P016C | Closed Loop Air/Fuel Ratio Control At Limit - System Too Lean | 3 ranked fixes |
| P016D | Excessive Time To Enter Closed Loop Fuel Pressure Control | 3 ranked fixes |
| P016E | Closed Loop Fuel Pressure Control At Limit - Pressure Too High | 3 ranked fixes |
| P016F | Closed Loop Fuel Pressure Control At Limit - Pressure Too Low | 3 ranked fixes |
| P04D8 | Excessive Time To Enter Closed Loop EGR Control | 3 ranked fixes |
| P04D9 | Closed Loop EGR Control At Limit - Flow Too Low | 3 ranked fixes |
| P04DA | Closed Loop EGR Control At Limit - Flow Too High | 3 ranked fixes |
| P21B2 | Excessive Time To Enter Closed Loop NOx Adsorber Control | 3 ranked fixes |
| P21B3 | Closed Loop NOx Adsorber Control At Limit - Too High | 3 ranked fixes |
| P249C | Excessive Time To Enter Closed Loop Reductant Injection Control | 3 ranked fixes |
| P249D | Closed Loop Reductant Injection Control At Limit - Flow Too Low | 3 ranked fixes |
| P249E | Closed Loop Reductant Injection Control At Limit - Flow Too High | 3 ranked fixes |
| P249F | Excessive Time To Enter Closed Loop Particulate Filter Regeneration Control | 3 ranked fixes |
| P24A0 | Closed Loop Particulate Filter Regeneration Control At Limit - Temperature Too Low | 3 ranked fixes |
| P24A1 | Closed Loop Particulate Filter Regeneration Control At Limit - Temperature Too High | 3 ranked fixes |
| P259C | Excessive Time To Enter Closed Loop Turbocharger A Boost Control | 3 ranked fixes |
| P259D | Excessive Time To Enter Closed Loop Turbocharger B Boost Control | 3 ranked fixes |
This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:
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