2017 Toyota Prius Prime AdvancedFACTORY OEM SERVICE PROCEDURE

Cannot Lock Charging Connector [09/2016 - 05/2019]: Description

If the lock and unlock functions of the charging connector lock do not operate, the electric vehicle charger assembly, smart key ECU assembly (certification ECU), charging connector lock motor (cable EV charger lock assembly), charging connector lock/unlock switch (EV charger lid indicator assembly) or electrical key transmitter sub-assembly may be malfunctioning or the vehicle may be being affected by wave interference.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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