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Prius
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Engine Control System (Diagnostic Codes)
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SFI System
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DTC P0403: Exhaust Gas Recirculation Control Circuit
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Typical Enabling Conditions
Typical Enabling Conditions
Monitor runs whenever following DTCs are not present
None
Engine
Running
Battery voltage
10.5 V or more
Time after power switch off to on (IG)
More than 0.5 seconds