Problems · NHTSA complaints
1999 GMC Sierra 2500 problems
Owners filed 36 complaints about the 1999 GMC Sierra 2500 with NHTSA between Feb 2000 and Dec 2017. The most-cited component is service brakes, hydraulic (13).
Complaints
36
Filed with NHTSA
Crashes
3
Reported by owners
Fires
1
Reported by owners
Injuries
5
People reported injured
Deaths
1
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Service brakes, hydraulic13
- Service brakes9
- Suspension3
- Tires3
- Exterior lighting2
- Fuel system, gasoline2
- Electrical system2
- Steering2
- Structure1
- Service brakes, electric1
- Vehicle speed control1
- Latches/locks/linkages1
- Air bags1
- Power train1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
6
2
0
1
0
3
0
2
2
1
3
6
2
5
2
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2000 | 6 |
| 2001 | 2 |
| 2002 | 0 |
| 2003 | 1 |
| 2004 | 0 |
| 2005 | 3 |
| 2006 | 0 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 6 |
| 2012 | 2 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Service brakes, hydraulic
13 reports
“TL* THE CONTACT OWNS A 1999 GMC C2500 PICKUP. THE CONTACT STATED THAT WHILE TRAVELING DOWNHILL, THE BRAKES WERE APPLIED BUT THE VEHICLE DID NOT RESPOND. THE CONTACT HAD TO USE THE EMERGENCY BREAK IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS INSPECTED AND IT WAS DETERMINED THAT THE BRAKES LINES WERE COMPLETELY RUSTED. THE CONTACT SPOKE TO THE MANUFACTURER REGARDING NHTSA CAMPAIGN ID NUMBER: 00V345000 (SERVICE BRAKES: HYDRAULIC), BUT WAS TOLD THAT THERE WAS NO RECALL FOR THE VEHICLE. THE FAILURE AND THE CURRENT MILEAGES WERE 170,000. *TR”
Service brakes
9 reports
“2 YEARS AGO I HAD ALL OF THE BRAKE LINES REPLACED BECAUSE OF FAILURE DUE TO RUST AT A COST OF $1000.00 I BELIEVE THE CAUSE WAS POOR METAL IN THE BRAKE LINES AND THE WAY THE LINES ARE ATTACHED TO THE BODY & FRAME HELP TO CAUSE THE PROBLEM.”
Suspension
3 reports
“I WAS MAKING A RIGHT TURN OUT OF A PARKING LOT AND HEARD A LOAD CLUNK. WHEN I GOT HOME I WAS LOOKING FOR THE CAUSE OF THE BANGING AND FOUND THAT THE REAR LEAF SPRING SHACKLE HAD RUSTED SO BAD IT BROKE IN HALF. *TR”
Tires
3 reports1 crash
“EMPLOYEE DRIVING 1999 GMC 2500 PICKUP TOWING A 2008 TOWMASTER TRAILER LOADED WITH A BOBCAT 325 MINI EXCAVATOR NORTHBOUND ON I-25 AT SAN FELIPE EXIT HEARD A POP, THINKING IT WAS A BLOWN TIRE, TRIED TO PULL OFF TO THE RIGHT SIDE OF THE ROAD. LOST CONTROL OF THE VEHICLE, HIT A PASSING CAR, HIT A GUARDRAIL, CROSSED OVER THE HIGHWAY THROUGH ANOTHER GUARDRAIL, DOWN THE CONCRETE EMBANKMENT TO THE ROAD BELOW. ON THE PICKUP BOTH FRONT TIRES WERE BLOWN OUT AS A RESULT OF LANDING AT THE BOTTOM OF THE EMBANKMENT (DOT #K2W8YD4A, DOM ???? COUNTRY OF ORIGIN: VIETNAM). RIGHT REAR TIRE HELD AIR, BUT TREAD WAS PEELED OFF(DOT# 4TW8YD4A, DOM 0806 COUNTRY OF ORIGIN: CHINA). LEFT REAR TIRE (DOT# H2W8YD4A, DOM 2906, COUNTRY OF ORIGIN: KOREA) REMAINED INTACT. ALL TIRES ON THE PICKUP WERE KUHMO ROAD VENTURE AT - LT265/75R16. THE RIGHT FRONT TIRE OF THE TRAILER WAS ALSO BLOWN OUT. AS A RESULT OF THE ACCIDENT THE TRUCK, TRAILER, AND EQUIPMENT WERE ALL TOTALED OUT, ALTHOUGH THANKFULLY THE DRIVER WALKED AWAY WITH NECK AND BACK INJURIES. DRIVER AND PASSENGER OF OTHER CAR ALSO RECEIVED NECK AND BACK INJURIES. ALL TIRES WERE CHECKED FOR PROPER TIRE PRESSURE BEFORE THE TRIP FROM LAS VEGAS, NM…”
Exterior lighting
2 reports
“WHEN I TILT THE STEERING WHEEL IN THE UPWARD POSITION ALL HEADLIGHTS GOES OUT/OFF,AND WHEN I TILTED IT TO THE LOWER POSITION ALL HEADLIGHTS COME ON.THIS IS VERY UNSAFE AND OTHER OWNERS OF THIS SAME VEHICLE NEEDS TO KNOW THE SAFETY RISK INVOLVE.THIS VEHICLE IS AVAILABLE FOR INSPECTION ANYTIME. *TR”
Fuel system, gasoline
2 reports1 related recall
“GAS TANK STRAPS RUSTED THROUGH AND TANK IS FALLING OUT. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.