2020 GMC Sierra 1500 Service Brakes Problems
NHTSA component category: SERVICE BRAKES · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How service brakes ranks on this vehicle
Share of the 436 complaints citing each category; one complaint can cite several. Full breakdown on the 2020 GMC Sierra 1500 overview page.
What owners report
“i was stopped at a red light and when the light turned green I accelerated and the vehicle shut off and then came back on…”NHTSA complaint 11498998 — filed 12/27/2022
“Brake pad monitoring system alert came on driver information center warning screen. Brought to local dealer who told me I needed new brake pads. There…”NHTSA complaint 11484028 — filed 09/12/2022
“The truck stated to have the check engine light on, by the time that happened the brakes were hard to step on it and the…”NHTSA complaint 11473137 — filed 07/09/2022
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Service Brakes complaints by year filed
Frequently asked questions
Does the 2020 GMC Sierra 1500 have service brakes problems?
Service Brakes is the #4 most-reported problem area on the 2020 GMC Sierra 1500: 47 of 436 complaints on file (10.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2020 GMC Sierra 1500 have in total?
436 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 11 involved a crash, 5 involved a fire, 13 reported injuries, and none reported deaths.
What does NHTSA's service brakes category include?
NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES category exactly as NHTSA defines and records it.