2020 GMC Sierra 1500 Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 09/08/2026

49Service Brakes complaints

10.7%Of all 458 complaints

#4Most-reported category

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

ENGINE227 · 49.6%

POWER TRAIN92 · 20.1%

ELECTRICAL SYSTEM75 · 16.4%

SERVICE BRAKES49 · 10.7%

Unspecified / other43 · 9.4%

Share of the 458 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: 49 of 458 complaints on file (10.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2020 GMC Sierra 1500 have in total?

458 complaints were on file with NHTSA as of 09/08/2026. Across all categories, 12 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 09/08/2026.