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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 244 (Hybrid Control System (Li-Ion W/ P610) - Diagnostic Codes (3 Of 4)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610) >> DTC P1C77-79: Engine Failed to Start Mechanical Linkage Failure [04/2020 - 09/2022] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
  1. MALFUNCTION DESCRIPTION 

    This DTC is stored when the hybrid vehicle control ECU determines that the hybrid vehicle transaxle assembly has seized or that there is the hybrid vehicle transaxle assembly malfunction in the drivetrain. The cause of this malfunction may be one of the following:

    Engine malfunction 

    • Seizure due to insufficient engine oil
    • Seizure due to insufficient coolant
    • Damaged engine

    Hybrid vehicle transaxle malfunction 

    • Seizure due to insufficient ATF
    • Damaged hybrid vehicle transaxle internal components
    • Damaged transmission input damper assembly