2024 GMC Sierra 1500: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 72 owner complaints for the 2024 GMC Sierra 1500 that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11769455 (filed 10/06/2026): “Driving at approximately 45 mph on berthod pass in co, towing a snowmobile flatbed trailer, when dash display indicated "low oil pressure, turn off engine". by the time i could read that, the engine was already off and i was all over the road trying to find a way to get off the highway. i did not …”
- NHTSA complaint ODI #11768050 (filed 09/30/2026): “At approximately 2 years, 47,000 miles i received a message that i needed to service the transmission soon. i then got a message "trailer brakes disabled service required" and another "service transmission now unable to shift soon". i brought the vehicle into my closest gm dealer and they said it …”
- NHTSA complaint ODI #11767880 (filed 09/29/2026): “The contact owns a 2024 gmc sierra 1500. the contact stated that while driving 55 mph, the message "reduced acceleration" was displayed and the vehicle decelerated quickly, and the contact was forced to pull over to the side of the road. the vehicle was taken to the dealer on several occasions to be…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
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