2024 GMC Sierra 2500HD: Service Brakes complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 16 owner complaints for the 2024 GMC Sierra 2500HD that list the service brakes component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11761398 (filed 09/01/2026): “The contact owns a 2024 gmc sierra 2500. the contact stated that while driving 5 mph, the vehicle lost brake and power steering functionality, and there was smoke coming from underneath the hood. the contact stated that power steering fluid was leaking onto the engine. no warning lights were illumin…”
- NHTSA complaint ODI #11737376 (filed 05/12/2026): “Intermittent trailer disconnect and loss of electric trailer brake output while towing airstream. the truck is connected to the trailer through the seven way plug. there are no modifications to the truck. this is a safety hazard as i pull a 9000+ lb trailer. trailer connection drops momentarily an…”
- NHTSA complaint ODI #11705508 (filed 12/17/2025): “Premature brake pad wear on all brakes. all break pads worn down and had to be replaced at or before 25,000 miles. no trailer pulling and only light driving. dealer stated rotors needed to be turned as well due to extremely low brake life.…”
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: Moderate
Pads and rotors are a common DIY job with hand tools and a jack; ABS/hydraulic faults need a scan tool. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
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