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A4 Prestige
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Section 380 (Engine Control System (Diagnostic Codes (P0300-P148F)))
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SFI System
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DTC P0403: Exhaust Gas Recirculation Control Circuit [08/2013 - ]
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Typical Enabling Conditions
Typical Enabling Conditions
WARNING:
This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever the following DTCs are not stored
None
Engine
Running
Auxiliary battery voltage
10.5 V or higher
Time after power switch off to on (IG)
0.5 seconds or more