CarModelProblems.com

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

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

33Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module complaints
5.5%Of all 600 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, hydraulic:antilock/traction control/electronic limited slip:control unit/module 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.

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

12002162003520048200532006

Frequently asked questions

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

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module is the #2 most-reported problem area on the 1999 GMC Sierra: 33 of 600 complaints on file (5.5%). 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:control unit/module category include?

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