ECD SYSTEM FAIL-SAFE CHART


  1. 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
    P0045 Turbo / Supercharger Boost Control Solenoid Circuit / Open Limits engine power Ignition switch Off
    P0087

    Fuel Rail / System Pressure - Too Low

    [Fuel pressure sensor system malfunction]

    		 Limits engine power Ignition switch on
    P0088

    Fuel Rail / System Pressure - Too High

    [Common rail system malfunction]

    		 Limits engine power Ignition switch on
    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 on
    P0095 Intake Air Temperature Sensor 2 Circuit Intake air (intake manifold) temperature is fixed at 90°C (130°F) Normal condition is restored.
    P0097 Intake Air Temperature Sensor 2 Circuit Low Intake air (intake manifold) temperature is fixed at 90°C (130°F) Normal condition is restored.
    P0098 Intake Air Temperature Sensor 2 Circuit High Intake air (intake manifold) temperature is fixed at 90°C (130°F) Normal condition is restored.
    P0100 Mass or Volume Air Flow Circuit Limits engine power Normal condition is restored.
    P0102 Mass or Volume Air Flow Meter Circuit Low Input Limits engine power Normal condition is restored.
    P0103 Mass or Volume Air Flow Meter Circuit High Input Limits engine power Normal condition is restored.
    P0105

    Manifold Absolute Pressure / Barometric Pressure Circuit

    [Intake air pressure sensor]

    		 Turbo pressure is 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 is 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 is fixed at specified value Normal condition is restored.
    P0110

    Intake Air Temperature Circuit

    [Intake air temperature sensor]

    		 Intake air temperature is fixed at specified value Normal condition is restored.
    P0112

    Intake Air Temperature Circuit Low Input

    [Intake air temperature sensor low input]

    		 Intake air temperature is fixed at specified value Normal condition is restored.
    P0113

    Intake Air Temperature Circuit High Input

    [Intake air temperature sensor high input]

    		 Intake air temperature is fixed at specified value Normal condition is restored.
    P0115

    Engine Coolant Temperature Circuit

    [Engine coolant temperature sensor]

    		 Engine coolant temperature sensor output is 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 is 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 is 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 is fixed at specified value Normal condition is restored.
    P0182

    Fuel Temperature Sensor "A" Circuit Low Input

    [Fuel temperature sensor low input]

    		 Fuel temperature is fixed at specified value Normal condition is restored.
    P0183

    Fuel Temperature Sensor "A" Circuit High Input

    [Fuel temperature sensor high input]

    		 Fuel temperature is 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 on
    P0234 Turbo / Supercharger Overboost Condition Limits engine power Ignition switch off
    P0299 Turbocharger / Supercharger Underboost Limits engine power Ignition switch off
    P0335

    Crankshaft Position Sensor "A" Circuit

    [Crankshaft position sensor]

    		 Engine stopped 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 Normal condition is restored.
    P0406 Exhaust Gas Recirculation Sensor "A" Circuit High Limits engine power Normal condition is restored.
    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 is 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 Ignition switch off
    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
    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.
    P1674 Solenoid for Exhaust Brake Circuit Malfunction Exhaust brake stop operation Pass condition defected
    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)
    P2033 Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)
    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 Normal condition is restored
    P2122

    Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input

    [Accelerator pedal position sensor low input (sensor 1)]

    		 Limits engine power Normal condition is restored
    P2123

    Throttle / Pedal Position Sensor / Switch "D" Circuit High Input

    [Accelerator pedal position sensor high input (sensor 1)]

    		 Limits engine power Normal condition is restored
    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 Normal condition is restored
    P2128

    Throttle/Pedal Position Sensor/Switch "E" Circuit High Input

    [Accelerator pedal position sensor high input (sensor 2)]

    		 Limits engine power Normal condition is restored
    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 is fixed at specified value Normal condition is restored.
    P2228

    Barometric Pressure Circuit Low Input

    [ECM]

    		 Atmospheric pressure is fixed at specified value Normal condition is restored.
    P2229

    Barometric Pressure Circuit High Input

    [ECM]

    		 Atmospheric pressure is fixed at specified value Normal condition is restored.

    Tech Tips

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