2024 Chevrolet Silverado 2500HD: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 36 owner complaints for the 2024 Chevrolet Silverado 2500HD that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11752372 (filed 07/23/2026): “First started around 4 to 6000 miles, felt a shuttering between 50 and 65 mph. shattering lasted from 10 to maybe 30 seconds let off the fuel and reapplied still there on one or two occasions. rpms were approximately 2000 rpm shattering stopped in our pms went down to 1500. this is occurred many tim…”
- NHTSA complaint ODI #11745093 (filed 06/18/2026): “Transmission control valve failed causing my vehicle to drop from 70 miles per hour below 40 miles per hour rapidly on the highway/interstate which could have caused a fatal crash. called onstar and was told my code showing was p0747 meaning service now. i called dealerships to get an appt next morn…”
- NHTSA complaint ODI #11729244 (filed 04/05/2026): “While driving the vehicle, the vehicle jolted and made a clunk noise. the check engine light came on accompanied by a message on the dash stating "reduce acceleration, drive with care". the vehicle went into "limp mode", and appeared to be engaged in a single gear. the vehicle was traveling at appr…”
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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