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.
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:
Use the diagnostic wizard below to gather information for your mechanic, then find a local EV specialist using the ad below.
Step-by-Step Fix Instructions
- 1
Firmly push the charging gun handle deep into the port socket to ensure it is fully seated.
- 2
Inspect the port's internal locking pin path for ice buildup, stones, or thick grit blocking the slider.
- 3
Lubricate the locking pin slider channel using a non-conductive clean silicone spray fluid.
- 4
Disconnect your 12V accessory battery for 10 minutes to reset the local charge port control chip.
- 5
Unbolt the outer charge port trim housing to inspect the low-voltage latch motor wiring harness.
- 6
Replace the internal automated charge port latch motor actuator mechanism.
VoltVitals Recommended Specialists in Your Area
Mason EV Auto Care
Tesla, Chevy Bolt, Nissan Leaf
Mason, OH
More local specialists
Cincinnati EV Specialists
West Chester, OH · 4.7★
Step-by-Step Diagnostic Wizard
Answer each question to narrow down the root cause of your CHG_w012 fault.
No step-by-step guide yet for CHG_w012
We're still writing the diagnostic flow for this code.
An EV specialist can run a live diagnosis in 15–30 minutes and give you a firm repair quote.
Need hands-on help?
Find a verified EV mechanic or dealership near you.