2.3

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
66,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 GMC Sierra 1500 electrical problems

electrical problem

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2015 GMC Sierra 1500 Owner Comments

problem #2

Feb 012020

Sierra 1500

  • 90,000 miles

A D V E R T I S E M E N T S

The contact owns a 2015 GMC Sierra 1500. The contact stated that while driving at various speeds, the warning message "Service Trailer Brake System" was displayed along with an audible warning chime although no trailer was being towed. The vehicle was taken to the local dealer who was unable to duplicate the failure and no service repairs were performed; however, the failure recurred intermittently. The manufacturer was not notified of the failure. The failure mileage was 90,000.

- Quakertown, PA, USA

problem #1

Aug 212019

Sierra 1500

  • 42,000 miles
The contact owns a 2015 GMC Sierra 1500. The contact stated that the weight of the trailer cord made the cord hang. As a result, the trailer brake became nonfunctional. The trailer could not haul heavy materials and was a hazard to the contact's safety. Also, "trailer brake fail" appeared on the instrument panel. The vehicle was driven to joe fuoco motor company (741 N 1st St, grand junction, co 81501, (970) 701-4773), but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 42,000. The VIN was unknown.

- Grand Junction, CO, USA

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