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Latches, locks and linkagesPart report

2003 Chevrolet Trailblazer Latches, locks and linkages Problems

Complaints
9about this part
Share
1%of 901 total for the year
Median mileage
101,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the latches, locks and linkages of the 2003 Chevrolet Trailblazer, 1% of the 901 complaints for this model year. Where a mileage was given, the median is 101,000 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.

“I have a 2003 Chevrolet Trailblazer lt model. The rear hatch latch fails to lock or unlock due to corrosion. I found online that there is a recall covering certain gmc vehicles. The site I found listed the 2003 Chevrolet vehicle as part of this recall. The campaign # is 05v494000 and the GM recall # is 05v494000. The recall stated the following:certain sport utility vehicles have a rear side closure latch that may not latch or unlatch due to corrosion caused by road splash, such as water and road salt. …”

NHTSA complaint #10280144, filed 2009-08, 101,000 miles

“When using the remote control to lock or unlock the vehicle the mirrors moved and it changed the position of the mirrors. Consumer drove the vehicle and noticed the mirrors were facing the ground or the sky. Vehicle were taken to the dealer, and nothing was done to correct the problem.”

NHTSA complaint #10115228, filed 2005-03, 13,571 miles

“Raised rear lightgate heard a crunching sound. On inspection the plastic piece on the top of the lightgate was cracked & lifted up. It was a fairly warm day & I had washed the truck early in the day & it sat in the sun all day. Ice build up was not a possibility. Took the truck in for repair of this piece, bodyshop states that there are 2 bushings missing from the hinges where the rear glass pivots on the hinges. Dealer parts dept. Confirms that bushings should be there. Parts dept. …”

NHTSA complaint #10259782, filed 2009-02, 68,000 miles

“The contact owns a 2003 Chevrolet Trailblazer. The contact stated that the driver side door lock malfunctioned and the driver was unable to open the door from the outside. The vehicle was taken to an independent mechanic, who diagnosed that a clip inside the door locking mechanism fractured. The clip was replaced and the failure was remedied. The VIN was not available. The failure mileage was 156,000.”

NHTSA complaint #10683887, filed 2015-02, 156,000 miles

“The contact owns a 2003 Chevrolet Trailblazer. After the contact stopped at a stop sign, the rear passenger side door opened and would not shut. The contact took the vehicle to the dealer and purchased a new rear door lock component. On two other occasions, the driver side and rear doors would not remain shut. The dealer stated that there were recalls available on the defects. The vehicle has not been repaired. The failure mileage was 160,000 and current mileage was 350,000. Updated 07/29/08 updated 07/29/08.”

NHTSA complaint #10233797, filed 2008-07, 160,000 miles

Latches, locks and linkages: other model years

YearComplaintsShare of year
202211%
200811%
200741%
2006111%
200540%
200481%
200391%
2002161%
200028%

Other parts of the 2003 Chevrolet Trailblazer

Electrical system
285 complaints
Fuel system
180 complaints
Transmission and drivetrain
103 complaints
Exterior lighting
77 complaints
Visibility (wipers, defrost, mirrors)
70 complaints
Engine cooling
65 complaints
Air bags
57 complaints
Body and structure
43 complaints
Brakes
36 complaints
Suspension
33 complaints
Equipment
26 complaints
Steering
26 complaints

← All problems reported for the 2003 Chevrolet Trailblazer

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