2020 Chevrolet Silverado 2500HD: Service Brakes complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 19 owner complaints for the 2020 Chevrolet Silverado 2500HD that list the service brakes component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11764917 (filed 09/17/2026): “The contact owns a 2020 chevrolet silverado 2500. the contact stated that the transmission shuddered and hesitated while driving 55 mph or at higher speed. the vehicle was taken to the dealer; however, the dealer was no longer in business. while driving at various speeds, the lifters were squeaking.…”
- NHTSA complaint ODI #11764984 (filed 09/17/2026): “The contact owns a 2020 chevrolet silverado 2500. the contact stated that while driving 20 mph and depressing the brake pedal, the vehicle was making a squealing noise. the failure was a recurring failure. the contact associated the failure with technical service bulletin: 20-na-020. the dealer was …”
- NHTSA complaint ODI #11724272 (filed 03/14/2026): “My dash has been displaying intermittently “service electric trailer brakes”. i have recently purchased a 30’ travel trailer. after driving a couple hundred miles with trailer in tow. the code started appearing even with the trailer not connected. i have contacted gm and they have indicated no reca…”
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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