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Home >> Lexus >> 2025 >> RX 350h F Sport Design >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P050B-P06AB) >> SFI System >> DTC P064A-49: Fuel Pump Control Module Internal Electronic Failure [08/2023 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Output duty cycle 3 to 65%
Auxiliary battery voltage 10.5 V or higher
Ignition switch On