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Home >> Honda >> 2021 >> Insight EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Advanced Diagnostics (1 Of 2) >> Advanced Diagnostics >> DTC P04CD >> Malfunction Threshold

Malfunction Threshold

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When on signal from the fuel fill door opener switch is received continuously for 30 minutes or more, or in the vehicle off (lock) mode, when the PCM continued self-holding of the power source by the main relay for 30 minutes or more.