These 15 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 15 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P0540 | Intake Air Heater A Circuit | 4 ranked fixes |
| P0541 | Intake Air Heater A Circuit Low | 4 ranked fixes |
| P0542 | Intake Air Heater A Circuit High | 4 ranked fixes |
| P0543 | Intake Air Heater A Circuit Open | 4 ranked fixes |
| P0640 | Intake Air Heater Control Circuit | 4 ranked fixes |
| P2604 | Intake Air Heater A Circuit Range/Performance | 4 ranked fixes |
| P2605 | Intake Air Heater B Circuit/Open | 4 ranked fixes |
| P2606 | Intake Air Heater B Circuit Range/Performance | 4 ranked fixes |
| P2607 | Intake Air Heater B Circuit Low | 4 ranked fixes |
| P2608 | Intake Air Heater B Circuit High | 4 ranked fixes |
| P2609 | Intake Air Heater System Performance | 4 ranked fixes |
| P2CE1 | Intake Air Heater C Circuit/Open | 4 ranked fixes |
| P2CE2 | Intake Air Heater C Circuit Range/Performance | 4 ranked fixes |
| P2CE3 | Intake Air Heater C Circuit Low | 4 ranked fixes |
| P2CE4 | Intake Air Heater C Circuit High | 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)