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Home >> Toyota >> 2014 >> Sienna L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0420-P1603)) >> SFI System >> DTC P062F: Internal Control Module EEPROM Error [08/2013 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever following DTCs are not present None
Time after engine start 10 seconds or more
Battery voltage 8 V or higher
Ignition switch ON