These 39 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 39 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P0089 | Fuel Pressure Regulator A Performance | 3 ranked fixes |
| P0090 | Fuel Pressure Regulator A Control Circuit/Open | 3 ranked fixes |
| P0091 | Fuel Pressure Regulator A Control Circuit Low | 3 ranked fixes |
| P0092 | Fuel Pressure Regulator A Control Circuit High | 3 ranked fixes |
| P00C8 | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit/Open | 3 ranked fixes |
| P00C9 | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low | 3 ranked fixes |
| P00CA | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High | 3 ranked fixes |
| P228A | Fuel Pressure Regulator A - Forced Engine Shutdown | 3 ranked fixes |
| P228B | Fuel Pressure Regulator B - Forced Engine Shutdown | 3 ranked fixes |
| P228C | Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low | 3 ranked fixes |
| P228D | Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High | 3 ranked fixes |
| P228E | Fuel Pressure Regulator A Exceeded Learning Limits - Too Low | 3 ranked fixes |
| P228F | Fuel Pressure Regulator A Exceeded Learning Limits - Too High | 3 ranked fixes |
| P2293 | Fuel Pressure Regulator B Performance | 3 ranked fixes |
| P2294 | Fuel Pressure Regulator B Control Circuit/Open | 3 ranked fixes |
| P2295 | Fuel Pressure Regulator B Control Circuit Low | 3 ranked fixes |
| P2296 | Fuel Pressure Regulator B Control Circuit High | 3 ranked fixes |
| P229A | Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too Low | 3 ranked fixes |
| P229B | Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High | 3 ranked fixes |
| P229C | Fuel Pressure Regulator B Exceeded Learning Limits - Too Low | 3 ranked fixes |
| P229D | Fuel Pressure Regulator B Exceeded Learning Limits - Too High | 3 ranked fixes |
| P233A | Fuel Pressure Regulator C Control Circuit/Open | 3 ranked fixes |
| P233B | Fuel Pressure Regulator C Control Circuit Low | 3 ranked fixes |
| P233C | Fuel Pressure Regulator C Control Circuit High | 3 ranked fixes |
| P233D | Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open | 3 ranked fixes |
| P233E | Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Low | 3 ranked fixes |
| P233F | Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit High | 3 ranked fixes |
| P2C00 | Fuel Pressure Regulator C Performance | 3 ranked fixes |
| P2C01 | Fuel Pressure Regulator D Performance | 3 ranked fixes |
| P2C02 | Fuel Pressure Regulator D Control Circuit/Open | 3 ranked fixes |
| P2C03 | Fuel Pressure Regulator D Control Circuit Low | 3 ranked fixes |
| P2C04 | Fuel Pressure Regulator D Control Circuit High | 3 ranked fixes |
| P2C1E | Cold Start Fuel Pressure Regulator A Performance | 3 ranked fixes |
| P2C1F | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low | 3 ranked fixes |
| P2C20 | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High | 3 ranked fixes |
| P2C9D | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too High | 3 ranked fixes |
| P2C9E | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low | 3 ranked fixes |
| P2C9F | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too High | 3 ranked fixes |
| P2CA0 | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too Low | 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:
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