These 16 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 16 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P28C4 | Clutch A Motor Phase U-V-W Circuit Low | 3 ranked fixes |
| P28C5 | Clutch A Motor Phase U-V-W Circuit High | 3 ranked fixes |
| P28C6 | Clutch A Motor Phase U-V-W Circuit/Open | 3 ranked fixes |
| P28C7 | Clutch A Motor Phase U-V-W Performance | 3 ranked fixes |
| P28C8 | Clutch A Pump Motor Performance | 3 ranked fixes |
| P28C9 | Clutch A Motor Overspeed | 3 ranked fixes |
| P28CA | Clutch A Motor Underspeed | 3 ranked fixes |
| P28D1 | Clutch A Motor Driver Current/Temperature Too High | 3 ranked fixes |
| P28D2 | Clutch B Motor Phase U-V-W Circuit Low | 3 ranked fixes |
| P28D3 | Clutch B Motor Phase U-V-W Circuit High | 3 ranked fixes |
| P28D4 | Clutch B Motor Phase U-V-W Circuit/Open | 3 ranked fixes |
| P28D5 | Clutch B Motor Phase U-V-W Performance | 3 ranked fixes |
| P28D6 | Clutch B Motor Driver Current/Temperature Too High | 3 ranked fixes |
| P28D7 | Clutch B Pump Motor Performance | 3 ranked fixes |
| P28D8 | Clutch B Motor Overspeed | 3 ranked fixes |
| P28D9 | Clutch B Motor Underspeed | 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:
est_parts_cost_min/max_usd)est_labor_hours)