Fail-safe chart

FAIL-SAFE CHART

If any of the following DTCs are set, 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) Limits engine power Normal condition is restored
P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) Limits engine power Normal condition is restored
P0087 Fuel Rail / System Pressure - Too Low
[Fuel pressure sensor system malfunction]
Limits engine power Ignition switch off
P0088 Fuel Rail / System Pressure - Too High
[Common rail system malfunction]
Limits engine power Ignition switch off
P0093 Fuel System Leak Detected - Large Leak
[Fuel leaks in common rail system]
Limits engine power for 1 minute and then stalls engine Ignition switch off
P0095 Intake Air Temperature Sensor 2 Circuit Intake air (intake manifold) temperature is fixed at 180°C (356°F) Normal condition is restored
P0097 Intake Air Temperature Sensor 2 Circuit Low Intake air (intake manifold) temperature is fixed at 180°C (356°F) Normal condition is restored
P0098 Intake Air Temperature Sensor 2 Circuit High Intake air (intake manifold) temperature is fixed at 180°C (356°F) Normal condition is restored
P0105 Manifold Absolute Pressure / Barometric Pressure Circuit
[Intake air pressure sensor]
Turbo pressure fixed at specified value Normal condition is restored
P0107 Manifold Absolute Pressure / Barometric Pressure Circuit Low Input
[Intake air pressure sensor low input]
Turbo pressure fixed at specified value Normal condition is restored
P0108 Manifold Absolute Pressure / Barometric Pressure Circuit High Input
[Intake air pressure sensor high input]
Turbo pressure fixed at specified value Normal condition is restored
P0110 Intake Air Temperature Circuit
[Intake air temperature sensor]
Intake air temperature fixed at specified value Normal condition is restored
P0112 Intake Air Temperature Circuit Low Input
[Intake air temperature sensor low input]
Intake air temperature fixed at specified value Normal condition is restored
P0113 Intake Air Temperature Circuit High Input
[Intake air temperature sensor high input]
Intake air temperature fixed at specified value Normal condition is restored
P0115 Engine Coolant Temperature Circuit
[Engine coolant temperature sensor]
Engine coolant temperature sensor output fixed at specified value (fixed value varies depending on conditions) Normal condition is restored
P0117 Engine Coolant Temperature Circuit Low Input
[Engine coolant temperature sensor low input]
Engine coolant temperature sensor output fixed at specified value (fixed value varies depending on conditions) Normal condition is restored
P0118 Engine Coolant Temperature Circuit High Input
[Engine coolant temperature sensor high input]
Engine coolant temperature sensor output fixed at specified value (fixed value varies depending on conditions) Normal condition is restored
P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit
[Throttle position sensor]
Limits engine power Ignition switch off
P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
[Throttle position sensor low input]
Limits engine power Ignition switch off
P0123 Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
[Throttle position sensor high input]
Limits engine power Ignition switch off
P0168 Fuel Temperature Too High
[Fuel temperature sensor rationality]
Limits engine power Normal condition is restored
P0180 Fuel Temperature Sensor "A" Circuit
[Fuel temperature sensor]
Fuel temperature fixed at specified value Normal condition is restored
P0182 Fuel Temperature Sensor "A" Circuit Low Input
[Fuel temperature sensor low input]
Fuel temperature fixed at specified value Normal condition is restored
P0183 Fuel Temperature Sensor "A" Circuit High Input
[Fuel temperature sensor high input]
Fuel temperature fixed at specified value Normal condition is restored
P0190 Fuel Rail Pressure Sensor Circuit
[Fuel pressure sensor]
Limits engine power Ignition switch off
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance Limits engine power Ignition switch off
P0192 Fuel Rail Pressure Sensor Circuit Low Input
[Fuel pressure sensor low input]
Limits engine power Ignition switch off
P0193 Fuel Rail Pressure Sensor Circuit High Input
[Fuel pressure sensor high input]
Limits engine power Ignition switch off
P0200 Injector Circuit / Open
[EDU system for injector malfunction]
When one injector circuit is malfunctioning, engine power is limited; when 2 or more ignition circuits are malfunctioning, engine is stopped Ignition switch off
P0234 Turbo/Supercharger Overboost Condition Limits engine power Ignition switch off
P0335 Crankshaft Position Sensor "A" Circuit
[Crankshaft position sensor]
Engine stopped Normal condition is restored
P0340 Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
[Camshaft position sensor]
Limits engine power Normal condition is restored
P0400 Exhaust Gas Recirculation Flow Limits engine power Ignition switch off
P0405 Exhaust Gas Recirculation Sensor "A" Circuit Low Limits engine power Ignition switch off
P0406 Exhaust Gas Recirculation Sensor "A" Circuit High Limits engine power Ignition switch off
P0488 Exhaust Gas Recirculation Throttle Position Control Range / Performance
[Intake shutter]
Limits engine power Ignition switch off
P0500 Vehicle Speed Sensor "A"
[Vehicle speed sensor]
Vehicle speed fixed at 0 km/h (0 mph) Normal condition is restored
P0544 Exhaust Gas Temperature Sensor Circuit (Bank1 Sensor 1) Limits engine power Ignition switch off
P0545 Exhaust Gas Temperature Sensor Circuit Low (Bank1 Sensor 1) Limits engine power Ignition switch off
P0546 Exhaust Gas Temperature Sensor Circuit High (Bank1 Sensor 1) Limits engine power Ignition switch off
P0627 Fuel Pump Control Circuit / Open
[Common rail system malfunction]
Engine stopped Normal condition is restored
P1229 Fuel Pump System
[Common rail system malfunction]
Limits engine power Ignition switch off
P1251 Turbo/Super Charger Overboost Condition (Too High) Limits engine power Ignition switch off
P1271 Fuel Regulator Circuit Malfunction EDU Drive) Limits engine power Ignition switch off
P1272 Fuel Pressure Regulator Malfunction Limits engine power Ignition switch off
P1386 Injector For Exhaust Fuel Addition
  1. Low or excess fuel addition volume: No fail-safe operation
  2. Low fuel addition volume: Limits the engine power (Driving at engine speed of up to approximately 80 km/h [50 mph] is permitted)
  3. Stuck open: Limits the engine power (Driving at engine speed of up to approximately 80 km/h [50 mph] is permitted)
Ignition switch off
P1425 Differential Pressure Sensor Circuit Differential pressure is fixed at specified value Ignition switch off
P1427 Differential Pressure Sensor Circuit Low Differential pressure is fixed at specified value Ignition switch off
P1428 Differential Pressure Sensor Circuit High Differential pressure is fixed at specified value Ignition switch off
P1611 RUN PULSE
[ECM]
Engine stopped Ignition switch off
P1625 Idle Signal Transmitter Circuit Limits engine power Normal condition is restored
P2002* Particulate Trap Efficiency Below Threshold (Bank 1) Limits engine power Ignition switch off
P2031 Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2) Limits engine power Ignition switch off
P2032 Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) Limits engine power Ignition switch off
P2033 Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) Limits engine power Ignition switch off
P2047 Reductant Injector Circuit/Open (Bank 1 Unit 1) Limits engine power Ignition switch off
P2048 Short to GND in Reductant Injector (Bank 1) Limits engine power Ignition switch off
P2049 Short to B+ in Reductant Injector (Bank 1) Limits engine power Ignition switch off
P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit
[Accelerator pedal position sensor (sensor 1)]
Limits engine power Ignition switch off
P2121 Throttle/Pedal Position Sensor / Switch "D" Circuit Range / Performance
[Accelerator pedal position sensor rationality (sensor 1)]
Limits engine power Ignition switch off
P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
[Accelerator pedal position sensor low input (sensor 1)]
Limits engine power Ignition switch off
P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
[Accelerator pedal position sensor high input (sensor 1)]
Limits engine power Ignition switch off
P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit
[Accelerator pedal position sensor (sensor 2)]
Limits engine power Ignition switch off
P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
[Accelerator pedal position sensor low input (sensor 2)]
Limits engine power Ignition switch off
P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
[Accelerator pedal position sensor high input (sensor 2)]
Limits engine power Ignition switch off
P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
[Accelerator pedal position sensor malfunction]
Limits engine power Ignition switch off
P2226 Barometric Pressure Circuit
[ECM]
Atmospheric pressure fixed at specified value Normal condition is restored
P2228 Barometric Pressure Circuit Low Input
[ECM]
Atmospheric pressure fixed at specified value Normal condition is restored
P2229 Barometric Pressure Circuit High Input
[ECM]
Atmospheric pressure fixed at specified value Normal condition is restored
P2237 Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) Limits engine power Normal condition is restored
P2238 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) Limits engine power Normal condition is restored
P2239 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) Limits engine power Normal condition is restored
P2252 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) Limits engine power Normal condition is restored
P2253 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) Limits engine power Normal condition is restored


HINT:

*: Fail-safe operation is not performed when a DTC is detected because of deterioration of the DPNR catalyst.