ECD SYSTEM(w/ DPF) 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.

    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 Turbo/Super Charger Boost Control Solenoid Circuit Low The engine power is limited. Ignition switch off
    P0048 Turbo/Super Charger Boost Control Solenoid 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

    • The engine power is limited.

    • PM forced regeneation is prohibited

    		 Pass condition detected
    P00BB Fuel Injector Insufficient Flow - Forced Limited Power The engine power is limited Pass condition detected
    P0100 Mass Air Flow Circuit The engine power is limited. Pass condition detected
    P0101 Mass Air Flow Circuit Range/Performance Problem 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

    • 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
    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 Turbo/Super charger 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 Circuit The engine power is limited. Pass condition detected
    P0342 Camshaft Position Sensor"A" Circuit Low Input (Bank1 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 The engine power is limited. Pass condition detected
    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 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 The vehicle speed is fixed at 0 km/h (0 mph). 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 Step Motor for Turbocharger Control Circuit (Intermittent) The engine power is limited. Ignition switch off
    P1271 Fuel Regulator Circuit (EDU Drive) The engine power is limited. Ignition switch off
    P1272 Fuel Pressure Regulator Circuit 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
    P2080 Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 PM forced regeneration is prohibited. Pass condition detected
    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) 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
    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

    • The engine power is reduced by 90%.*

    • PM forced regeneration is prohibited.

    		 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 Throttle / Pedal Position Sensor / Switch "E" Circuit The engine power is limited to an amount which allows the vehicle to be driven to a safe area. 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) 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. Ignition switch off
    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
    P244B Diesel Particulate Filter Differential Pressure Too High The engine power is limited. Ignition switch off
    P2458 Diesel Particulate Filter Regeneration Duration PM forced regeneration is prohibited. Ignition switch off
    P2463 Diesel Particulate Filter Restriction - Soot Accumulation The engine power is limited. Repair is complete
    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.