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Home >> Honda >> 2012 >> Insight Base >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0401: Exhaust Gas Recirculation (EGR) Insufficient Flow >> Enable Conditions
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Enable Conditions

Condition Minimum Maximum
Engine coolant temperature 156 °F (69 °C) -
Engine speed 1,100 rpm 3,000 rpm
MAP value 14 kPa (4.0 inHg, 100 mmHg) -
Vehicle speed 26 mph (41 km/h) -
Battery voltage 10.5 V -
Throttle position Fully closed
Fuel feedback During deceleration
No active DTCs set (prevents monitor from running) P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0134, P0135, P0201, P0202, P0203, P0204, P0222, P0223, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0351, P0352, P0404, P0406, P0443, P0496, P0497, P0522, P0523, P0506, P0507, P060A, P1109, P1157, P1172, P145C, P1659, P2101, P2118, P2122, P2123, P2127, P2128, P2135, P2138, P2176, P2195, P2227, P2228, P2229, P2238, P2252, P2413, P2648, P2649