NHTSA Complaint #11645044 — 2019 TESLA MODEL X

ELECTRICAL SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11645044
Vehicle	2019 TESLA MODEL X
Component	ELECTRICAL SYSTEM
Date of Incident	February 26, 2025
Date Filed	February 26, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

I plugged in a tester into the 7 pin trailer harness that is factory installed and the harness does not work. Specifically, there is no 12V power coming from the harness. I googled the issue and it is very common on 2018 and 2019 Tesla Model X’s, and people say when they went to the dealer they said that the factory wired it incorrectly but that it was a simple fix. I went to my dealer and they wanted to charge me money to fix this issue that has been present but unnoticeable on my vehicle until recently. Not having 12V power to the harness is vary dangerous because if towing a trailer with electric brakes, they will not work, and there is no way to tell this except for using a tester at the harness.

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