NHTSA Complaint #11693701 — 2015 GMC SIERRA 1500

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11693701
Vehicle	2015 GMC SIERRA 1500
Component	POWER TRAIN
Date of Incident	April 8, 2025
Date Filed	October 15, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	WV

Consumer Description

Transmission failed at 110k miles roughly. Safety was put at risk due to this happening on a highway. Yes, transmissiom was replaced by a local repair shop, the means of failure was identical to thousands of vehicles in this model year failing prematurely. No it wasnt inspected by the dealer. No there was no warning light, we were going up a hill and it failed.

Related Complaints for the 2015 GMC SIERRA 1500

Other POWER TRAIN Complaints

#11718679 — February 18, 2026 — During day to day driving when the truck is accelerating from a stopped position there's a massive clunk or hard shif...

#11718485 — February 17, 2026 — Tranmission is shuttering and not wanting to shift right

#11717007 — February 10, 2026 — The contact owns a 2015 GMC Sierra 1500. The contact stated that while at a complete stop and attempting to shift int...

#11694238 — October 18, 2025 — The temperature sensor in the transmission is faulty leading to hard/delayed shifting, shuttering, and vibration

#11691436 — October 5, 2025 — Push rod failure in #4 cylinder at 104,000 miles. Bent push rod. Possibly due to AFM.

Recent Complaints for the 2015 GMC SIERRA 1500

#11718801 — SERVICE BRAKES, HYDRAULIC — February 18, 2026 — The contact owns a 2015 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the brake ped...

#11716665 — UNKNOWN OR OTHER — February 9, 2026 — I remote started my truck. I got in about 5 minutes later. When I shut the door the rear window, passenger side of th...

#11712775 — ENGINE — January 22, 2026 — The engine seized up traveling about 40MPH in the middle lane on a busy road with my child in the passenger seat. I w...

#11703847 — ENGINE — December 8, 2025 — The GMC Sierra 1500 started a knocking sound. The collapsed lifter on a AFM cylinder bent a push rod which led to ca...

#11703418 — STEERING — December 6, 2025 — Loses power steering when vehicle is low speed or stopped. Same details as safety recall 14743 for 2015 gmc sierra.