NHTSA Complaint #11446497 — 2018 GMC SIERRA 1500

ELECTRICAL SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11446497
Vehicle	2018 GMC SIERRA 1500
Component	ELECTRICAL SYSTEM
Date of Incident	December 1, 2021
Date Filed	January 6, 2022
Mileage	77,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	ID

Consumer Description

The contact owns a 2018 GMC Sierra 1500. The contact stated while driving approximately 70 MPH, the trailer wiring harness system warning message was illuminated. The vehicle was taken to a local dealer where it was diagnosed with needing the wiring harness replaced; however, the vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 77,000.

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