These 27 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 27 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P0475 | Exhaust Pressure Control Valve A | 4 ranked fixes |
| P0476 | Exhaust Pressure Control Valve A Range/Performance | 4 ranked fixes |
| P0477 | Exhaust Pressure Control Valve A Low | 4 ranked fixes |
| P0478 | Exhaust Pressure Control Valve A High | 4 ranked fixes |
| P0479 | Exhaust Pressure Control Valve A Intermittent | 4 ranked fixes |
| P047F | Exhaust Pressure Control Valve A Stuck Open | 4 ranked fixes |
| P048A | Exhaust Pressure Control Valve A Stuck Closed | 4 ranked fixes |
| P048B | Exhaust Pressure Control Valve A Position Sensor/Switch Circuit | 4 ranked fixes |
| P048C | Exhaust Pressure Control Valve A Position Sensor/Switch Circuit Range/Performance | 4 ranked fixes |
| P048D | Exhaust Pressure Control Valve A Position Sensor/Switch Circuit Low | 4 ranked fixes |
| P048E | Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High | 4 ranked fixes |
| P048F | Exhaust Pressure Control Valve A Position Sensor/Switch Circuit Intermittent/Erratic | 4 ranked fixes |
| P049F | Exhaust Pressure Control Valve B | 4 ranked fixes |
| P04A0 | Exhaust Pressure Control Valve B Range/Performance | 4 ranked fixes |
| P04A1 | Exhaust Pressure Control Valve B Low | 4 ranked fixes |
| P04A2 | Exhaust Pressure Control Valve B High | 4 ranked fixes |
| P04A3 | Exhaust Pressure Control Valve B Intermittent | 4 ranked fixes |
| P04A4 | Exhaust Pressure Control Valve B Stuck Open | 4 ranked fixes |
| P04A5 | Exhaust Pressure Control Valve B Stuck Closed | 4 ranked fixes |
| P04A6 | Exhaust Pressure Control Valve B Position Sensor/Switch Circuit | 4 ranked fixes |
| P04A7 | Exhaust Pressure Control Valve B Position Sensor/Switch Circuit Range/Performance | 4 ranked fixes |
| P04A8 | Exhaust Pressure Control Valve B Position Sensor/Switch Circuit Low | 4 ranked fixes |
| P04A9 | Exhaust Pressure Control Valve B Position Sensor/Switch Circuit High | 4 ranked fixes |
| P04AA | Exhaust Pressure Control Valve B Position Sensor/Switch Circuit Intermittent/Erratic | 4 ranked fixes |
| P2B97 | Exhaust Pressure Control Valve A Position Exceeded Learning Limit | 4 ranked fixes |
| P2B98 | Exhaust Pressure Control Valve A Supply Low | 4 ranked fixes |
| P2B99 | Exhaust Pressure Control Valve A Driver Current/Temperature Too 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)