Charge Port Door Sensor Communication Loss
The charge port control unit lost its digital connection with the push-to-open inductive sensor in the door flap. The push-to-open shortcut is disabled but the charge door still works via touchscreen, app, or charging cable button.
Estimated Cost
$220
Repair Time
1 hour
Difficulty
DIY Friendly
Can I Fix This Myself?
DIY-Friendly Repair
Many owners resolve this with basic tools at home.
Tools you'll need:
Follow the step-by-step wizard below. If the issue persists after working through all steps, it's time to schedule a professional service appointment.
Step-by-Step Fix Instructions
- 1
Hold both steering wheel scroll wheels to reboot the system.
- 2
Inspect charge port cavity for dirt, ice, or debris blocking the sensor.
- 3
Spray electronics cleaner into the latch gap to dissolve road grime.
- 4
Check trunk liner harness connector is fully seated into port housing.
- 5
Unscrew outer charge port door hinge assembly.
- 6
Replace integrated charge port door assembly with new inductive proximity sensor.
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Step-by-Step Diagnostic Wizard
Answer each question to narrow down the root cause of your CP_a051 fault.
Check Charge Port Door
Step 1 of ~7
Press the charge port button on the car, the key fob, or the Tesla app to open the charge port door. Observe the LED ring color and door motion.
Does the charge port door open and the LED ring illuminate (amber or green)?
Need hands-on help?
Find a verified EV mechanic or dealership near you.