These 18 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 18 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P085A | Gear Shift Control Module B Communication Circuit | 4 ranked fixes |
| P085B | Gear Shift Control Module B Communication Circuit Low | 4 ranked fixes |
| P085C | Gear Shift Control Module B Communication Circuit High | 4 ranked fixes |
| P085D | Gear Shift Control Module A Performance | 4 ranked fixes |
| P085E | Gear Shift Control Module B Performance | 4 ranked fixes |
| P0860 | Gear Shift Control Module A Communication Circuit | 4 ranked fixes |
| P0861 | Gear Shift Control Module A Communication Circuit Low | 4 ranked fixes |
| P0862 | Gear Shift Control Module A Communication Circuit High | 4 ranked fixes |
| P0863 | TCM Communication Circuit | 4 ranked fixes |
| P0864 | TCM Communication Circuit Range/Performance | 4 ranked fixes |
| P0865 | TCM Communication Circuit Low | 4 ranked fixes |
| P0866 | TCM Communication Circuit High | 4 ranked fixes |
| P273C | Gear Shift Control Module A Supply Voltage Low | 4 ranked fixes |
| P273D | Gear Shift Control Module A Supply Voltage High | 4 ranked fixes |
| P273E | Gear Shift Control Module A Over Temperature | 4 ranked fixes |
| P2DA1 | Gear Shift Control Module B Supply Voltage Low | 4 ranked fixes |
| P2DA2 | Gear Shift Control Module B Supply Voltage High | 4 ranked fixes |
| P2DA3 | Gear Shift Control Module B Overtemperature | 4 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)