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EquipmentPart report

2003 Chevrolet Avalanche 1500 Equipment Problems

Complaints
1about this part
Share
1%of 182 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the equipment of the 2003 Chevrolet Avalanche 1500, 1% of the 182 complaints for this model year.

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.

“2004 Chevrolet avalanche broken manifold bolts on both sides of the 5.3 engine this is a safety and environmental issue GM should recall this issue instead of turning there back and sticking there loyal customers with the bill!”

NHTSA complaint #10445963, filed 2012-01

Related service bulletins

Equipment: other model years

YearComplaintsShare of year
200711%
200613%
200543%
200421%
200311%

Other parts of the 2003 Chevrolet Avalanche 1500

Electrical system
84 complaints
Brakes
53 complaints
Air bags
12 complaints
Vehicle speed control
11 complaints
Steering
9 complaints
Body and structure
8 complaints
Other or unknown
7 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Fuel system
4 complaints
Suspension
4 complaints
Transmission and drivetrain
4 complaints
Engine
3 complaints

← All problems reported for the 2003 Chevrolet Avalanche 1500

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