Low — MonitorCode: CHG_w012

Charge Port Latch Engagement Warning

The charge port controller is warning that the internal locking latch failed to clamp securely around the charging handle pin. Because high-voltage charging cannot safely begin without a locked handle, the vehicle will block power flow until a lock is achieved.

Ford Mustang Mach-E (2021+)Hyundai Ioniq 5 (2022+)Tesla Model 3, Model X, Model S (2017+)Tesla, Ford, Hyundai Model 3, Mustang Mach-E, IONIQ 5 (2020+)

Estimated Cost

$290

Repair Time

1-2 hours

Difficulty

Shop Recommended

Can I Fix This Myself?

Professional Service Recommended

This repair involves high-voltage components or specialized equipment.

What professionals will use:

Professional scan toolHydraulic liftHigh-voltage safety PPE

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Step-by-Step Fix Instructions

  1. 1

    Firmly push the charging gun handle deep into the port socket to ensure it is fully seated.

  2. 2

    Inspect the port's internal locking pin path for ice buildup, stones, or thick grit blocking the slider.

  3. 3

    Lubricate the locking pin slider channel using a non-conductive clean silicone spray fluid.

  4. 4

    Disconnect your 12V accessory battery for 10 minutes to reset the local charge port control chip.

  5. 5

    Unbolt the outer charge port trim housing to inspect the low-voltage latch motor wiring harness.

  6. 6

    Replace the internal automated charge port latch motor actuator mechanism.

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Step-by-Step Diagnostic Wizard

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