If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily.
| DTC No. | Detection Item | Fail-Safe Operation |
|---|---|---|
| P0087 | Fuel Rail/System Pressure - Too Low | The torque is limited |
| P0088 | Fuel Rail/System Pressure - Too High | The torque is limited |
| P0101 | Mass or Volume Air Flow Sensor "A" Circuit Range/Performance |
|
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low | Regeneration of the particulate filter is prohibited |
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High | Regeneration of the particulate filter is prohibited |
| P0192 | Fuel Rail Pressure Sensor "A" Circuit Low | Regeneration of the particulate filter is prohibited |
| P0193 | Fuel Rail Pressure Sensor "A" Circuit High | Regeneration of the particulate filter is prohibited |
| P0234 | Turbocharger/Supercharger "A" Overboost Condition |
|
| P0237 | Turbocharger/Supercharger Boost Sensor "A" Circuit Low |
|
| P0238 | Turbocharger/Supercharger Boost Sensor "A" Circuit High |
|
| P0299 | Turbocharger/Supercharger "A" Underboost Condition | Regeneration of the particulate filter is prohibited |
| P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 | Regeneration of the particulate filter is prohibited |
| P1000 | Low Idle Correction Exceeding the Maximum Drift Limit | Regeneration of the particulate filter is prohibited |
| P1092 | Maximum Positive Deviation of Rail Pressure Exceeded Concerning Set Flow of Fuel | The torque is limited |
| P1412 | Dynamic Plausibility Test | Regeneration of the particulate filter is prohibited |
| P1438 | Diesel Particulate Filter Overload | Vehicle can be driven, but maximum speed is reduced until DTC is cleared |
| P1439 | Incomplete Regeneration of Particulate Filter | The torque is limited and engine power loss occurs |
| P14A0 | Exhaust Gas Back Pressure Sensor Circuit Low | Regeneration of the particulate filter is prohibited |
| P14A1 | Exhaust Gas Back Pressure Sensor Circuit High | Regeneration of the particulate filter is prohibited |
| P2228 | Barometric Pressure Sensor "A" Circuit Low | Regeneration of the particulate filter is prohibited |
| P2229 | Barometric Pressure Sensor "A" Circuit High | Regeneration of the particulate filter is prohibited |
| P2279 | Intake Air System Leak | Regeneration of the particulate filter is prohibited |
| P2620 | Throttle Position Output Circuit/Open | Regeneration of the particulate filter is prohibited |
| P2621 | Throttle Position Output Circuit Low | Regeneration of the particulate filter is prohibited |
| P2622 | Throttle Position Output Circuit High | Regeneration of the particulate filter is prohibited |