2020 Chevrolet Silverado 1500: Brake assist dismissed lights
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Silverado 1500 report: brake assist dismissed lights. CarComplaints.com lists 2 owner complaints, average mileage 1,850 miles.
NHTSA has 113 owner complaints for the 2020 Silverado 1500 in this area. Examples:
- NHTSA complaint ODI #11766697 (filed 09/24/2026): “1) the vehicle experienced a rear axle/rear-wheel lock-up after the recall-related repair was performed and the same diagnostic codes associated with the initial repair reportedly returned. 2)the rear axle/rear wheels locked while the vehicle was being driven…”
- NHTSA complaint ODI #11762914 (filed 09/08/2026): “While driving my 2020 chevrolet silverado 1500, the braking system suddenly malfunctioned without any prior warning. when i released the accelerator, the vehicle began slowing as though the brakes were being applied even though i was not pressing the brake ped…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
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: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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