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Chevrolet C4500Model year report

2003 Chevrolet C4500 Problems

Complaints
5filed with NHTSA
Median mileage
57,000miles, 3 complaints with mileage
Recalls
1campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2003 Chevrolet C4500 (complaints, recalls, investigations). Report an error

NHTSA recorded 5 consumer complaints for the 2003 Chevrolet C4500. The part named most often is engine cooling, with 3 complaints (60% of the total), followed by electrical system (2) and fuel system (1). 3 of the complaints include a mileage, and 33% of those were filed for vehicles with under 50,000 miles; the median is 57,000 miles. Of all complaints, 1 involved a crash, according to the filers. NHTSA lists 1 recall campaign and 90 technical service bulletins for this model year. Engine cooling complaints overlap with 22 technical service bulletins filed under the same part. Electrical system complaints overlap with 12 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Engine cooling: “Consumer complained about an engine problem. It did not maintain the throttle. Engine went into neutral without a cause. Also, a suspension problem due to bolts placed in upside down position which caused vehicle to flip. Wires and plastic bolt holders melted.”

NHTSA complaint #10048790, filed 2003-11, 38,000 miles

Electrical system: “While driving 60 MPH vehicle stalled. Consumer was unable to restart vehicle, and had it towed to the dealer for inspection. Mechanic determined that the temperature sensor needed to be replaced, and replaced it. However, the problem recurred, and vehicle was taken back to the dealer . Mechanic replaced the computer sensor, and the problem recurred again.”

NHTSA complaint #10091633, filed 2004-09

Fuel system: “After months of hard starting the engine, thinking it was the cold weather, older glow plugs, it turned out to be not enough pressure in the fuel system. The fuel injectors are leaking diesel fuel into the crankcase. Chevy has know of this problem for some time. They want 4500.00 to replace the injectors. The oil is contaminated and can catch on fire. I do not know if there is further damage to the cylinders or pistons or other components due to driving with contaminated oil. Chevy says to bad. Roll the dice on the repair or buy a new truck. …”

NHTSA complaint #10424221, filed 2011-09, 65,000 miles

Mileage when problems were reported

33% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 38,000 and 65,000 miles.

0%0–100%10–2533%25–5067%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (3 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 57,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

2003120041200512006120111
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

Recall details for the 2003 Chevrolet C4500 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 90 on record; the latest 10 are shown.

See all 90 bulletins →

Other model years of the Chevrolet C4500

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2006631,0001———Not enough data
2003557,0001———Not enough data

All Chevrolet C4500 model years

Frequently asked questions

How many NHTSA complaints does the 2003 Chevrolet C4500 have?

NHTSA recorded 5 consumer complaints for the 2003 Chevrolet C4500 as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2003 Chevrolet C4500 is reported most often?

Engine cooling is named most often, in 3 complaints (60% of the total), followed by electrical system with 2.

Has the 2003 Chevrolet C4500 been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2003 Chevrolet C4500 reported?

Among the 3 complaints that include a mileage, the median is 57,000 miles and the middle half falls between 38,000 and 65,000 miles; 33% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.