FAIL-SAFE CHART
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 | Fail-safe Deactivation Condition |
|---|---|---|---|
| P0031 | Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P0032 | Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P0046 | Turbocharger / Supercharger Boost Control Solenoid Circuit Range / Performance | The engine power is limited. | Ignition switch off |
| P0047 | Turbocharger/ Supercharger Boost Control "A" Circuit Low | The engine power is limited. | Ignition switch off |
| P0048 | Turbocharger/ Supercharger Boost Control "A" Circuit High | The engine power is limited. | Ignition switch off |
| P007C | Charge Air Cooler Temperature Sensor Circuit Low | The intake air temperature is fixed at a specified value. | Pass condition detected |
| P007D | Charge Air Cooler Temperature Sensor Circuit High | The intake air temperature is fixed at a specified value. | Pass condition detected |
| P0087 | Fuel Rail/System Pressure - Too Low | The engine power is reduced by 90%.* | Ignition switch off |
| P0088 | Fuel Rail/System Pressure - Too High | The engine power is reduced by 90%.* | Ignition switch off |
| P0093 | Fuel System Leak Detected - Large Leak |
|
Pass condition detected |
| P0100 | Mass Air Flow Circuit Malfunction | The engine power is limited. | Pass condition detected |
| P0101 | Mass or Volume Air Flow Circuit | The engine power is limited. | Ignition switch off |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input | The turbo pressure is fixed at a specified value. | Pass condition detected |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | The turbo pressure is fixed at a specified value. | Pass condition detected |
| P0112 | Intake Air Temperature Circuit Low Input | The intake air temperature value is fixed. | Pass condition detected |
| P0113 | Intake Air Temperature Circuit High Input | The intake air temperature value is fixed. | Pass condition detected |
| P0115 | Engine Coolant Temperature Circuit | The engine coolant temperature sensor output is fixed at a specified value (the fixed value varies depending on conditions). | Pass condition detected |
| P0117 | Engine Coolant Temperature Circuit Low Input | The engine coolant temperature sensor output is fixed at a specified value (the fixed value varies depending on conditions). | Pass condition detected |
| P0118 | Engine Coolant Temperature Circuit High Input | The engine coolant temperature sensor output is fixed at a specified value (the fixed value varies depending on conditions). | Pass condition detected |
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input | The engine power is limited. | Ignition switch off |
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High Input | The engine power is limited. | Ignition switch off |
| P0190 | Fuel Rail Pressure Sensor Circuit |
|
Ignition switch off |
| P0191 | Fuel Rail Pressure Sensor Circuit Range / Performance |
|
Ignition switch off |
| P0192 | Fuel Rail Pressure Sensor Circuit Low Input |
|
Ignition switch off |
| P0193 | Fuel Rail Pressure Sensor Circuit High Input |
|
Ignition switch off |
| P0201 | Injector Circuit / Open - (Cylinder 1) | The engine power is limited. | Ignition switch off to ON or STA on |
| P0202 | Injector Circuit / Open - (Cylinder 2) | The engine power is limited. | Ignition switch off to ON or STA on |
| P0203 | Injector Circuit / Open - (Cylinder 3) | The engine power is limited. | Ignition switch off to ON or STA on |
| P0204 | Injector Circuit / Open - (Cylinder 4) | The engine power is limited. | Ignition switch off to ON or STA on |
| P0299 | Turbocharger / Supercharger Underboost | The engine power is limited. | Pass condition detected |
| P0335 | Crankshaft Position Sensor "A" Circuit | The engine power is limited. | Pass condition detected |
| P0337 | Crankshaft Position Sensor "A" Circuit Low Input | The engine power is limited. | Pass condition detected |
| P0338 | Crankshaft Position Sensor "A" Circuit High Input | The engine power is limited. | Pass condition detected |
| P0339 | Crankshaft Position Sensor "A" Circuit Intermittent | The engine power is limited. | Pass condition detected |
| P0340 | Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) | The engine power is limited. | Pass condition detected |
| P0342 | Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor) | The engine power is limited. | Pass condition detected |
| P0343 | Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor) | The engine power is limited. | Pass condition detected |
| P0400 | Exhaust Gas Recirculation Flow | PM forced regeneration is prohibited. | Ignition switch off |
| P0405 | Exhaust Gas Recirculation Sensor "A" Circuit Low | The engine power is limited. | Ignition switch off |
| P0406 | Exhaust Gas Recirculation Sensor "A" Circuit High | The engine power is limited. | Ignition switch off |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | PM forced regeneration is prohibited. | Pass condition detected |
| P042E | Exhaust Gas Recirculation "A" Control Stuck Open | PM forced regeneration is prohibited. | Ignition switch off |
| P0488 | Exhaust Gas Recirculation Throttle Position Control Range/Performance | The engine power is limited. | Ignition switch off |
| P0489 | Exhaust Gas Recirculation Control Circuit Low | The engine power is limited. | Ignition switch off |
| P0490 | Exhaust Gas Recirculation Control Circuit High | The engine power is limited. | Ignition switch off |
| P0500 | Vehicle Speed Sensor "A" | The vehicle speed is fixed at 0 km/h (0 mph). | Pass condition detected |
| P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) | PM forced regeneration is prohibited. | Pass condition detected |
| P0546 | Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1) | PM forced regeneration is prohibited. | Pass condition detected |
| P0606 | ECM / PCM Processor | The engine is stalled. | Pass condition detected |
| P060A | Internal Control Module Monitoring Processor Performance | The engine is stalled. | Pass condition detected |
| P060B | Internal Control Module A/D Processing Performance | The engine power is limited. | Pass condition detected |
| P060D | Internal Control Module Accelerator Pedal Position Performance | The engine power is limited. | Pass condition detected |
| P0627 | Fuel Pump Control Circuit / Open | The engine power is limited. | Pass condition detected |
| P062D | No. 1 Fuel Injector Driver Circuit Performance | The engine power is limited. | Ignition switch off |
| P1229 | Fuel Pump System | The engine power is limited. | Ignition switch off |
| P1251 | Turbocharger / Supercharger Overboost Condition (Too High) | The engine power is limited. | Ignition switch off |
| P1271 | Fuel Regulator Circuit Malfunction (EDU Drive) | The engine power is limited. | Ignition switch off |
| P1272 | Fuel Pressure Regulator Malfunction | The engine power is limited. | Ignition switch off |
| P2006 | Intake Manifold Runner Control Stuck Closed (Bank 1) | The engine power is limited. | Ignition switch off |
| P200C | Diesel Particulate Filter Over Temperature Bank 1 | PM forced regeneration is prohibited. | Ignition switch off |
| P200E | Catalyst System Temperature Too High Bank 1 | PM forced regeneration is prohibited. | Ignition switch off |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) | PM forced regeneration is prohibited. | Pass condition detected |
| P2033 | Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) | PM forced regeneration is prohibited. | Pass condition detected |
| P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 | PM forced regeneration is prohibited. | Pass condition detected |
| P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 | PM forced regeneration is prohibited. | Pass condition detected |
| P20CD | Open in Exhaust Aftertreatment Fuel Injector "A" Control Circuit |
|
Pass condition detected |
| P20CF | Exhaust Aftertreatment Fuel Injector "A" Stuck Open | The engine power is reduced by 90%.* | Pass condition detected |
| P2120 | Throttle/Pedal Position Sensor/Switch "D" Circuit | The engine power is limited. | Ignition switch off |
| P2121 | Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance | The engine power is limited. | Ignition switch off |
| P2122 | Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input | The engine power is limited. | Ignition switch off |
| P2123 | Throttle/Pedal Position Sensor/Switch "D" Circuit High Input | The engine power is limited. | Ignition switch off |
| P2125 | Throttle/Pedal Position Sensor/Switch "E" Circuit | The engine power is limited. | Ignition switch off |
| P2127 | Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input | The engine power is limited. | Ignition switch off |
| P2128 | Throttle/Pedal Position Sensor/Switch "E" Circuit High Input | The engine power is limited. | Ignition switch off |
| P2138 | Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation | The engine power is limited. | Ignition switch off |
| P2141 | Diesel Throttle Motor Circuit Low | The engine power is limited. | Ignition switch off |
| P2142 | Diesel Throttle Motor Circuit High | The engine power is limited. | Ignition switch off |
| P2195 | Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2226 | Barometric Pressure Circuit | The atmospheric pressure is fixed at a specified value. | Pass condition detected |
| P2228 | Barometric Pressure Circuit Low Input | The atmospheric pressure is fixed at a specified value. | Pass condition detected |
| P2229 | Barometric Pressure Circuit High Input | The atmospheric pressure is fixed at a specified value. | Pass condition detected |
| P2237 | Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2238 | Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2239 | Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2252 | Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2253 | Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) | The power to the air fuel ratio sensor and air fuel ratio sensor heater is stopped. | Pass condition detected |
| P2428 | Exhaust Gas Temperature Too High Bank 1 | PM forced regeneration is prohibited. | Pass condition detected |
| P242B | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3 | PM forced regeneration is prohibited. | Pass condition detected |
| P242C | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 | PM forced regeneration is prohibited. | Pass condition detected |
| P242D | Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3 | PM forced regeneration is prohibited. | Pass condition detected |
| P244A | Diesel Particulate Filter Differential Pressure Too Low | PM forced regeneration is prohibited. | Ignition switch off |
| P244B | Diesel Particulate Filter Differential Pressure Too High |
|
Ignition switch off |
| P2458 | Diesel Particulate Filter Regeneration Duration | PM forced regeneration is prohibited. | Ignition switch off |
| P2463 | Diesel Particulate Filter Restriction - Soot Accumulation |
|
Pass condition detected |
| P2564 | Turbocharger/ Supercharger Boost Control Position Sensor "A" Circuit Low | The engine power is limited. | Ignition switch off |
| P2565 | Turbocharger/ Supercharger Boost Control Position Sensor "A" Circuit High | The engine power is limited. | Ignition switch off |
Tech Tips
*: Engine power is limited immediately after the DTC is stored.
| DTC No. | Detection Item | Fail-safe Operation | Fail-safe Deactivation Condition |
|---|---|---|---|
| P202B | Reductant Tank Heater Control Circuit Low | Urea SCR system is stopped. | Pass condition detected |
| P202C | Reductant Tank Heater Control Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P202D | Reductant Leakage | Urea SCR system is stopped. | Pass condition detected |
| P203C | Reductant Level Sensor Circuit Low | Urea SCR system is stopped. | Pass condition detected |
| P203D | Reductant Level Sensor Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P203F | Reductant Level Too Low | Urea SCR system is stopped. | Pass condition detected |
| P2048 | Reductant Injector Circuit Low (Bank 1 Unit 1) | Urea SCR system is stopped. | Pass condition detected |
| P2049 | Reductant Injector Circuit High (Bank 1 Unit 1) | Urea SCR system is stopped. | Pass condition detected |
| P204B | Reductant Pressure Sensor Circuit Range/ Performance | Urea SCR system is stopped. | Pass condition detected |
| P204C | Reductant Pressure Sensor Circuit Low | Urea SCR system is stopped. | Pass condition detected |
| P204D | Reductant Pressure Sensor Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P205B | Reductant Tank Temperature Sensor Circuit Range/ Performance | Urea SCR system is stopped. | Pass condition detected |
| P205C | Reductant Tank Temperature Sensor Circuit Low | Urea SCR system is stopped. | Pass condition detected |
| P205D | Reductant Tank Temperature Sensor Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P208B | Reductant Pump "A" Control Range/ Performance | Urea SCR system is stopped. | Pass condition detected |
| P208D | Reductant Pump "A" Control Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P209F | Reductant Tank Heater Control Circuit Performance | Urea SCR system is stopped. | Pass condition detected |
| P20BA | Reductant Heater "A" Control Circuit Performance | Urea SCR system is stopped. | Pass condition detected |
| P20BB | Reductant Heater "A" Control Circuit Low | Urea SCR system is stopped. | Pass condition detected |
| P20BC | Reductant Heater "A" Control Circuit High | Urea SCR system is stopped. | Pass condition detected |
| P20E9 | Reductant Pressure Too High | Urea SCR system is stopped. | Pass condition detected |
| P21C5 | Reductant Level Sensor "A" Stuck | Urea SCR system is stopped. | Pass condition detected |
| U010E | Lost Communication with Reductant Control Module | Urea SCR system is stopped. | Pass condition detected |
| U029D | Lost Communication with NOx Sensor "A" | Urea SCR system is stopped. | Pass condition detected |