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Exterior lightingPart report

1999 GMC Sierra Exterior lighting Problems

Complaints
8about this part
Share
1%of 600 total for the year
Median mileage
57,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the exterior lighting of the 1999 GMC Sierra, 1% of the 600 complaints for this model year. Where a mileage was given, the median is 57,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While driving vehicle ABS and parking brake light illuminated. When this happened it caused brakes to lock up. Could be very dangerous in a sudden stop. Please provide any further information. Ts.”

NHTSA complaint #10004484, filed 2003-01, 57,000 miles

“Engine will turn over but never start, security lamp will come on-taken to dealer they said it was the security sensor was going out and that the truck thought I was stealing it, wait 10 minutes & truck will start. That works, but left stranded for over 40 minutes waiting for the sensor to let me start truck. Took 4 tries at 10 minutes each for the truck to finally start. Dealer knew right off what the problem was with out hooking up the vehicle to determine the problem.”

NHTSA complaint #764520, filed 2002-07

“I am not sure if this is the correct forum for voicing these concerns but I hope and can be enlightened about these problems. I am not sure of the exact mileage or dates of any of these incidents without further study. The seatbelts on this truck will lock up intermittently while driving down the street with no braking. The right windshield wiper has broken free from the mechanism twice. The daytime lighting does not work though the lamps and fuses are in working condtion. The power steering pump sheared a shaft in two and was replaced under warranty. …”

NHTSA complaint #766994, filed 2002-09

“I have experienced excessive wearing of the front brakes, which has resulted in the rotors being replaced first, then the pads replaced 2 weeks later, and upon replacing the pads the new rotors required resurfacing. Since then after driving approx 5k miles, I was told that the new pads are appox 40% worn. I required the right front balljoint to be replaced when the rotors were done. When applying the brakes & hitting a bump in the road, the brake pedal goes down to the floor and has a complete lose of braking. It failed the annual inspection, due to a leaking donnut gasket. …”

NHTSA complaint #725736, filed 2000-07

“While driving in snow speedometer started moving back and forth. Then consumer smelled rubber burning, and headlights popped out. Took to dealer and they said something overheated on the outside. But consumer said it was on the inside. Dealer put a module in, and made the problem worse. Consumer fears loosing lights on the road.”

NHTSA complaint #861144, filed 2000-04

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
201723%
20153057%
20146362%
201313%
201213%
201112%
200913%
200612%
200432%
200310%
200221%
200131%
2000123%
199981%
199821%
199742%
1996125%
199583%
199432%
199118%
1989213%

Other parts of the 1999 GMC Sierra

Brakes
338 complaints
Suspension
39 complaints
Vehicle speed control
39 complaints
Transmission and drivetrain
37 complaints
Tires
31 complaints
Body and structure
30 complaints
Fuel system
26 complaints
Seats
23 complaints
Steering
18 complaints
Visibility (wipers, defrost, mirrors)
18 complaints
Engine cooling
17 complaints
Seat belts
15 complaints

← All problems reported for the 1999 GMC Sierra

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology