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Home >> Honda >> 2012 >> Ridgeline RTL >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0404: Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance Problem >> Enable Conditions
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Enable Conditions

Condition Minimum Maximum
Engine speed - 4, 500 rpm
Commanded EGR valve lift 0.012 in (0.30 mm) -
Battery voltage 10.5 V -
No active DTCs set (prevents monitor from running) P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0134, P0135, P0154, P0155, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0335, P0339, P0351, P0352, P0353, P0354, P0355, P0356, P0400, P0401, P0406, P1128, P1129, P1172, P1174, P2195, P2197, P2237, P2238, P2240, P2241, P2243, P2245, P2247, P2249, P2251, P2252, P2254, P2255, P2279