2023 GMC Sierra 1500 Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 409 complaints citing each category; one complaint can cite several. Full breakdown on the 2023 GMC Sierra 1500 overview page.
What owners report
“Valve Body failure. Truck rear wheels lockup during failure as transmission was unable to get past 6 gear, sending truck into limp mode at highway…”NHTSA complaint 11642313 — filed 02/12/2025
“The trucks engine completely shut down while going approximately 60 MPH while merging onto the highway. The trucks dash flashed multiple times, a ticking noise…”NHTSA complaint 11641087 — filed 02/06/2025
“On Wednesday December 4th 2024 at 5:45 am on my drive to work my engine shut down, truck electronically shifted into neutral, and notified me…”NHTSA complaint 11639825 — filed 01/31/2025
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2023 GMC Sierra 1500 have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2023 GMC Sierra 1500: 78 of 409 complaints on file (19.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2023 GMC Sierra 1500 have in total?
409 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 5 involved a crash, 2 involved a fire, 2 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
