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Home >> Toyota >> 2012 >> Prius Three >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Except Plug-In) (Diagnostic Codes (P0010-P043F)) >> SFI System >> DTC P0403: Exhaust Gas Recirculation Control Circuit >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever following DTCs are not present None
Engine Running
Auxiliary battery voltage 10.5 V or more
Time after power switch off to on (IG) More than 0.5 seconds