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 ItemFail-safe OperationFail-safe Deactivation Condition
P0031Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P0032Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P0087Fuel Rail / System Pressure - Too Low
[Fuel pressure sensor system malfunction]
Limits engine powerIgnition switch off
P0088Fuel Rail / System Pressure - Too High
[Common rail system malfunction]
Limits engine powerIgnition switch off
P0093Fuel System Leak Detected - Large Leak
[Fuel leaks in common rail system]
Limits engine power for 1 minute and then stalls engineIgnition switch off
P0095Intake Air Temperature Sensor 2 CircuitIntake air (intake manifold) temperature is fixed at 180°C (356°F)Normal condition is restored
P0097Intake Air Temperature Sensor 2 Circuit LowIntake air (intake manifold) temperature is fixed at 180°C (356°F)Normal condition is restored
P0098Intake Air Temperature Sensor 2 Circuit HighIntake air (intake manifold) temperature is fixed at 180°C (356°F)Normal condition is restored
P0105Manifold Absolute Pressure / Barometric Pressure Circuit
[Intake air pressure sensor]
Turbo pressure fixed at specified valueNormal condition is restored
P0107Manifold Absolute Pressure / Barometric Pressure Circuit Low Input
[Intake air pressure sensor low input]
Turbo pressure fixed at specified valueNormal condition is restored
P0108Manifold Absolute Pressure / Barometric Pressure Circuit High Input
[Intake air pressure sensor high input]
Turbo pressure fixed at specified valueNormal condition is restored
P0110Intake Air Temperature Circuit
[Intake air temperature sensor]
Intake air temperature fixed at specified valueNormal condition is restored
P0112Intake Air Temperature Circuit Low Input
[Intake air temperature sensor low input]
Intake air temperature fixed at specified valueNormal condition is restored
P0113Intake Air Temperature Circuit High Input
[Intake air temperature sensor high input]
Intake air temperature fixed at specified valueNormal condition is restored
P0115Engine 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
P0117Engine 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
P0118Engine 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
P0120Throttle / Pedal Position Sensor / Switch "A" Circuit
[Throttle position sensor]
Limits engine powerIgnition switch off
P0122Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
[Throttle position sensor low input]
Limits engine powerIgnition switch off
P0123Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
[Throttle position sensor high input]
Limits engine powerIgnition switch off
P0168Fuel Temperature Too High
[Fuel temperature sensor rationality]
Limits engine powerNormal condition is restored
P0180Fuel Temperature Sensor "A" Circuit
[Fuel temperature sensor]
Fuel temperature fixed at specified valueNormal condition is restored
P0182Fuel Temperature Sensor "A" Circuit Low Input
[Fuel temperature sensor low input]
Fuel temperature fixed at specified valueNormal condition is restored
P0183Fuel Temperature Sensor "A" Circuit High Input
[Fuel temperature sensor high input]
Fuel temperature fixed at specified valueNormal condition is restored
P0190Fuel Rail Pressure Sensor Circuit
[Fuel pressure sensor]
Limits engine powerIgnition switch off
P0191Fuel Rail Pressure Sensor Circuit Range/PerformanceLimits engine powerIgnition switch off
P0192Fuel Rail Pressure Sensor Circuit Low Input
[Fuel pressure sensor low input]
Limits engine powerIgnition switch off
P0193Fuel Rail Pressure Sensor Circuit High Input
[Fuel pressure sensor high input]
Limits engine powerIgnition switch off
P0200Injector 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 stoppedIgnition switch off
P0234Turbo/Supercharger Overboost ConditionLimits engine powerIgnition switch off
P0335Crankshaft Position Sensor "A" Circuit
[Crankshaft position sensor]
Engine stoppedNormal condition is restored
P0340Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
[Camshaft position sensor]
Limits engine powerNormal condition is restored
P0400Exhaust Gas Recirculation FlowLimits engine powerIgnition switch off
P0405Exhaust Gas Recirculation Sensor "A" Circuit LowLimits engine powerIgnition switch off
P0406Exhaust Gas Recirculation Sensor "A" Circuit HighLimits engine powerIgnition switch off
P0488Exhaust Gas Recirculation Throttle Position Control Range / Performance
[Intake shutter]
Limits engine powerIgnition switch off
P0500Vehicle Speed Sensor "A"
[Vehicle speed sensor]
Vehicle speed fixed at 0 km/h (0 mph)Normal condition is restored
P0544Exhaust Gas Temperature Sensor Circuit (Bank1 Sensor 1)Limits engine powerIgnition switch off
P0545Exhaust Gas Temperature Sensor Circuit Low (Bank1 Sensor 1)Limits engine powerIgnition switch off
P0546Exhaust Gas Temperature Sensor Circuit High (Bank1 Sensor 1)Limits engine powerIgnition switch off
P0627Fuel Pump Control Circuit / Open
[Common rail system malfunction]
Engine stoppedNormal condition is restored
P1229Fuel Pump System
[Common rail system malfunction]
Limits engine powerIgnition switch off
P1251Turbo/Super Charger Overboost Condition (Too High)Limits engine powerIgnition switch off
P1271Fuel Regulator Circuit Malfunction EDU Drive)Limits engine powerIgnition switch off
P1272Fuel Pressure Regulator MalfunctionLimits engine powerIgnition switch off
P1386Injector 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
P1425Differential Pressure Sensor CircuitDifferential pressure is fixed at specified valueIgnition switch off
P1427Differential Pressure Sensor Circuit LowDifferential pressure is fixed at specified valueIgnition switch off
P1428Differential Pressure Sensor Circuit HighDifferential pressure is fixed at specified valueIgnition switch off
P1611RUN PULSE
[ECM]
Engine stoppedIgnition switch off
P1625Idle Signal Transmitter CircuitLimits engine powerNormal condition is restored
P2002*Particulate Trap Efficiency Below Threshold (Bank 1)Limits engine powerIgnition switch off
P2031Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2)Limits engine powerIgnition switch off
P2032Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)Limits engine powerIgnition switch off
P2033Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)Limits engine powerIgnition switch off
P2047Reductant Injector Circuit/Open (Bank 1 Unit 1)Limits engine powerIgnition switch off
P2048Short to GND in Reductant Injector (Bank 1)Limits engine powerIgnition switch off
P2049Short to B+ in Reductant Injector (Bank 1)Limits engine powerIgnition switch off
P2120Throttle / Pedal Position Sensor / Switch "D" Circuit
[Accelerator pedal position sensor (sensor 1)]
Limits engine powerIgnition switch off
P2121Throttle/Pedal Position Sensor / Switch "D" Circuit Range / Performance
[Accelerator pedal position sensor rationality (sensor 1)]
Limits engine powerIgnition switch off
P2122Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
[Accelerator pedal position sensor low input (sensor 1)]
Limits engine powerIgnition switch off
P2123Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
[Accelerator pedal position sensor high input (sensor 1)]
Limits engine powerIgnition switch off
P2125Throttle / Pedal Position Sensor / Switch "E" Circuit
[Accelerator pedal position sensor (sensor 2)]
Limits engine powerIgnition switch off
P2127Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
[Accelerator pedal position sensor low input (sensor 2)]
Limits engine powerIgnition switch off
P2128Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
[Accelerator pedal position sensor high input (sensor 2)]
Limits engine powerIgnition switch off
P2138Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
[Accelerator pedal position sensor malfunction]
Limits engine powerIgnition switch off
P2226Barometric Pressure Circuit
[ECM]
Atmospheric pressure fixed at specified valueNormal condition is restored
P2228Barometric Pressure Circuit Low Input
[ECM]
Atmospheric pressure fixed at specified valueNormal condition is restored
P2229Barometric Pressure Circuit High Input
[ECM]
Atmospheric pressure fixed at specified valueNormal condition is restored
P2237Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P2238Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P2239Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P2252Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)Limits engine powerNormal condition is restored
P2253Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)Limits engine powerNormal condition is restored


HINT:

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