1999 GMC Sierra Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP · data through 07/12/2026

197Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip complaints

32.8%Of all 600 complaints

#1Most-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, hydraulic:antilock/traction control/electronic limited slip ranks on this vehicle

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP197 · 32.8%

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE33 · 5.5%

SERVICE BRAKES, HYDRAULIC29 · 4.8%

SERVICE BRAKES25 · 4.2%

STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS21 · 3.5%

Share of the 600 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 GMC Sierra overview page.

What owners report

“WHILE BRAKING ON BUMPY ROAD BRAKES FAILED,PEDAL WENT TO FLOOR, VEHICLE WENT THROUGH INTERSECTION.”NHTSA complaint 731148 — filed 09/12/2000

“ABS BRAKE PROBLEMS: WHEN GOING OVER A BUMP AND APPLYING BRAKES, THEY CHATTER AND BECOME MUSHY. THIS EXTENDS STOPPING DISTANCE WHICH MAY CAUSE A CRASH…”NHTSA complaint 868005 — filed 08/17/2000

“I WAS DRIVING IN A PARKING LOT AND APPLIED THE BRAKES, AND THE BRAKE PEDAL WENT TO THE FLOOR. I COULDN'T STOP THE VEHICLE AND…”NHTSA complaint 726493 — filed 08/03/2000

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

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip complaints by year filed

Frequently asked questions

Does the 1999 GMC Sierra have service brakes, hydraulic:antilock/traction control/electronic limited slip problems?

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip is the most-reported problem area on the 1999 GMC Sierra: 197 of 600 complaints on file (32.8%). Complaints are unverified owner reports, not confirmed defects.

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

600 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 51 involved a crash, 2 involved a fire, 31 reported injuries, and 1 reported deaths.

What does NHTSA's service brakes, hydraulic:antilock/traction control/electronic limited slip category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP 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 07/12/2026.