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1999 GMC Sierra 1500 Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 07/14/2026

30Service Brakes complaints
19%Of all 158 complaints
#2Most-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

SERVICE BRAKES, HYDRAULIC37 · 23.4%
SERVICE BRAKES30 · 19%
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP14 · 8.9%
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS14 · 8.9%
SEATS10 · 6.3%

Share of the 158 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 GMC Sierra 1500 overview page.

What owners report

“SUBURBAN IS EXTREMELY DIFFICULT TO STOP OR WILL NOT STOP AT STOP SIGNS. PEDAL GOES TO THE FLOOR FOR EMERGENCY STOPS ON HIGHWAY AND GOING…”NHTSA complaint 10681297 — filed 02/04/2015
“WHILE DRIVING ON PUBLIC 4 LANE HIGHWAY AND COMING TO A YELLOW LIGHT I APPLIED THE BRAKE PEDAL AND THE PEDAL INSTANTLY WENT TO THE…”NHTSA complaint 10676298 — filed 01/18/2015
“7 O' CLOCK IN THE MORNING HEADING TO WORK MAKING A LEFT TURN INTO PARKING LOT APPLY THE BRAKES, PEDAL WANT TO THE FLOOR, AVOID…”NHTSA complaint 10667853 — filed 12/23/2014

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Service Brakes complaints by year filed

620124201352014220154201662017120181201912021

Frequently asked questions

Does the 1999 GMC Sierra 1500 have service brakes problems?

Service Brakes is the #2 most-reported problem area on the 1999 GMC Sierra 1500: 30 of 158 complaints on file (19%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1999 GMC Sierra 1500 have in total?

158 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 9 involved a crash, 0 involved a fire, 4 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 07/14/2026.