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 |
|---|---|---|
| P0425 | Catalyst Temperature Sensor Circuit Bank 1 Sensor 1 | 4 ranked fixes |
| P0426 | Catalyst Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 | 4 ranked fixes |
| P0427 | Catalyst Temperature Sensor Circuit Low Bank 1 Sensor 1 | 4 ranked fixes |
| P0428 | Catalyst Temperature Sensor Circuit High Bank 1 Sensor 1 | 4 ranked fixes |
| P042A | Catalyst Temperature Sensor Circuit Bank 1 Sensor 2 | 4 ranked fixes |
| P042B | Catalyst Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 | 4 ranked fixes |
| P042C | Catalyst Temperature Sensor Circuit Low Bank 1 Sensor 2 | 4 ranked fixes |
| P042D | Catalyst Temperature Sensor Circuit High Bank 1 Sensor 2 | 4 ranked fixes |
| P0435 | Catalyst Temperature Sensor Circuit Bank 2 Sensor 1 | 4 ranked fixes |
| P0436 | Catalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 1 | 4 ranked fixes |
| P0437 | Catalyst Temperature Sensor Circuit Low Bank 2 Sensor 1 | 4 ranked fixes |
| P0438 | Catalyst Temperature Sensor Circuit High Bank 2 Sensor 1 | 4 ranked fixes |
| P043A | Catalyst Temperature Sensor Circuit Bank 2 Sensor 2 | 4 ranked fixes |
| P043B | Catalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2 | 4 ranked fixes |
| P043C | Catalyst Temperature Sensor Circuit Low Bank 2 Sensor 2 | 4 ranked fixes |
| P043D | Catalyst Temperature Sensor Circuit High Bank 2 Sensor 2 | 4 ranked fixes |
| P046A | Catalyst Temperature Sensor 1/2 Correlation Bank 1 | 4 ranked fixes |
| P046B | Catalyst Temperature Sensor 1/2 Correlation Bank 2 | 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)