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Home >> Lexus >> 2019 >> ES 300h Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (A25A-FXS) - Diagnostic Codes (09 Of 20) >> SFI System >> DTC P0401-9C: Exhaust Gas Recirculation "A" Low / Insufficient Flow [06/2018 - 07/2019] >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever the following DTCs are not stored P0010, P1360, P1362, P1364, P1366, P2614 (Motor drive VVT system control module)
P0011 (VVT system - advance)
P0012 (VVT system - retard)
P0013 (Exhaust VVT oil control solenoid)
P0014 (Exhaust VVT system - advance)
P0015 (Exhaust VVT system - retard)
P0016 (VVT system - misalignment)
P0017 (Exhaust VVT system - misalignment)
P0031, P0032, P101D (Air fuel ratio sensor (sensor 1) heater)
P0101, P0102, P0103 (Mass air flow meter)
P0106, P0107, P0108 (Manifold absolute pressure)
P0111, P0112, P0113 (Intake air temperature sensor)
P0116, P0117, P0118 (Engine coolant temperature sensor)
P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor (sensor 1))
P0171, P0172 (Fuel system)
P0327, P0328 (Knock control sensor)
P0335, P0337, P0338 (Crankshaft position sensor)
P0340, P0342, P0343 (Camshaft position sensor)
P0365, P0367, P0368 (Exhaust camshaft position sensor)
P0489, P0490 (EGR control circuit)
P0657, P2102, P2103, P2111, P2112, P2119 (Throttle actuator)
P106A (Evaporative emission control system pressure sensor - manifold pressure sensor correlation)
P11EA, P11EC, P11ED, P11EE, P11EF, P219A, P219C, P219D, P219E, P219F (Air-fuel ratio imbalance)
P2228, P2229 (Atmospheric pressure sensor)
Time after engine started 3 seconds or more
Time after engine fuel cut 2597 msec or more
Engine speed 950 to 1600 rpm
Vehicle speed 20 km/h (13 mph) or more
Engine coolant temperature 75°C (167°F) or higher
Auxiliary battery voltage 11 V or higher
Intake air temperature -10°C (14°F) or higher
Atmospheric pressure 76 kPa(abs) [11 psi(abs)] or higher