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Home >> Honda >> 2021 >> Insight EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Advanced Diagnostics (2 Of 2) >> Advanced Diagnostics >> DTC P1721 >> Malfunction Threshold

Malfunction Threshold

The IG1 signal information detected by the PCM is ON and the IG1 signal information detected by the park pawl actuator driver unit is OFF for at least 1.2 seconds.