ECD SYSTEM (w/o Gear Shift Indicator) FAIL-SAFE CHART


  1. 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.

    Tech Tips

    PM regeneration may be prohibited depending on the malfunctioning part of the exhaust treatment system (DPF related portion).

    DTC No. Detection Item Fail-safe Operation Fail-safe Deactivation Condition
    P0031 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) - Pass condition detected
    P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) - 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 The engine power is reduced by 90%.* Ignition switch off
    P0101 Mass or Volume Air Flow Circuit The engine power is limited. Ignition switch off
    P0102 Mass or Volume Air Flow Circuit Low Input The engine power is limited. Pass condition detected
    P0103 Mass or Volume Air Flow Circuit High Input The engine power is limited. Pass condition detected
    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
    P0168 Fuel Temperature Too High The injection volume and maximum injection volume are reduced. Pass condition detected
    P0180 Fuel Temperature Sensor "A" Circuit The fuel temperature is fixed at a specified value. Pass condition detected
    P0182 Fuel Temperature Sensor "A" Circuit Low Input The fuel temperature is fixed at a specified value. Pass condition detected
    P0183

    Fuel Temperature Sensor "A" Circuit High Input

    [Fuel temperature sensor high input]

    The fuel temperature is fixed at a specified value. Pass condition detected
    P0190 Fuel Rail Pressure Sensor Circuit
    • The main and sub circuits of the fuel pressure sensor are malfunctioning:


      • The engine power is reduced by 90%.*

    • The main or sub circuit of the fuel pressure sensor is malfunctioning:


      • The engine power is limited.

    Ignition switch off
    P0191 Fuel Rail Pressure Sensor Circuit Range / Performance
    • The main and sub circuits of the fuel pressure sensor are malfunctioning:


      • The engine power is reduced by 90%.*

    • The main or sub circuit of the fuel pressure sensor is malfunctioning:


      • The engine power is limited.

    Ignition switch off
    P0192 Fuel Rail Pressure Sensor Circuit Low Input
    • The main and sub circuits of the fuel pressure sensor are malfunctioning:


      • The engine power is reduced by 90%.*

    • The main or sub circuit of the fuel pressure sensor is malfunctioning:


      • The engine power is limited.

    Ignition switch off
    P0193 Fuel Rail Pressure Sensor Circuit High Input
    • The main and sub circuits of the fuel pressure sensor are malfunctioning:


      • The engine power is reduced by 90%.*

    • The main or sub circuit of the fuel pressure sensor is malfunctioning:


      • The engine power is limited.

    Ignition switch off
    P0234 Turbocharger / Supercharger Overboost Condition The engine power is limited. Pass condition detected
    P0335 Crankshaft Position Sensor "A" Circuit The engine power is reduced by 90%.* Pass condition detected
    P0340 Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) The engine power is reduced by 90%.* Pass condition detected
    P0400 Exhaust Gas Recirculation Flow The engine power is limited. 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
    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) The exhaust gas temperature is fixed at a specified value. Ignition switch off
    P0546 Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1) The exhaust gas temperature is fixed at a specified value. Ignition switch off
    P0606 ECM / PCM Processor The engine power is reduced by 90%.* Pass condition detected
    P060A Internal Control Module Monitoring Processor Performance The engine power is reduced by 90%.* Pass condition detected
    P0627 Fuel Pump Control Circuit / Open The engine power is limited. Pass condition detected
    P062D Fuel Injector Driver Circuit Performance Bank 1
    • 1 malfunctioning cylinder detected:


      • The engine power is limited.


    • 2 or more malfunctioning cylinders detected:


      • Stalls the engine.

    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
    P1386 Injector for Exhaust Fuel Addition

    AF Lambda B1S1 is less than approximately 0.85 for 5 seconds:


    • The engine power is reduced by 90%.*

    Pass condition detected
    P1496 Intake Air Temperature Sensor 1 Circuit Low The intake air temperature is fixed at a specified value. Pass condition detected
    P1497 Intake Air Temperature Sensor 1 Circuit High The intake air temperature is fixed at a specified value. Pass condition detected
    P1625 Idle Signal Transmitter Circuit The engine power is limited. Ignition switch off
    P2002 Particulate Trap Efficiency Below Threshold (Bank1)

    The DPF catalyst is clogged:


    • The engine power is limited.

    Pass condition detected
    P2032 Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) The exhaust gas temperature is fixed at a specified value. Pass condition detected
    P2033 Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) The exhaust gas temperature is fixed at a specified value. Pass condition detected
    P2047 Reductant Injector Circuit / Open (Bank 1 Unit 1) - Ignition switch off
    P2048 Short to GND in Reductant Injector Circuit (Bank 1) The engine power is reduced by 90%.* Pass condition detected
    P2049 Short to B+ in Reductant Injector Circuit (Bank 1) - Ignition switch off
    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
    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) - Ignition switch off
    P2238 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) - Ignition switch off
    P2239 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) - Ignition switch off
    P2252 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) - Ignition switch off
    P2253 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) - Ignition switch off
    P2453 Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance The diesel particulate filter pressure is fixed at a specified value. Ignition switch off
    P2454 Diesel Particulate Filter Pressure Sensor "A" Circuit Low The diesel particulate filter pressure is fixed at a specified value. Ignition switch off
    P2455 Diesel Particulate Filter Pressure Sensor "A" Circuit High The diesel particulate filter pressure is fixed at a specified value. Ignition switch off

    Tech Tips

    *: Engine power is limited immediately after the DTC is stored.