2003 Chevrolet Suburban 1500: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"WHILE DRIVING THE VEHICLE I NOTICED THE AIR CONDITIONING COMPRESSOR WAS AUDIBLE WHILE RUNNING. I AM NOT THE PRIMARY DRIVER, SO I WROTE THE NOISE OFF AS NORMAL. A FEW DAYS LATER HOME MY WIFE STARTED THE VEHICLE AND TURNED THE AIR CONDITIONING ON AND SMELLED SOMETHING BURNING. THE COMPRESSOR HAD SE..."
"WHILE DRIVING THE VEHICLE I NOTICED THE AIR CONDITIONING COMPRESSOR WAS AUDIBLE WHILE RUNNING. I AM NOT THE PRIMARY DRIVER, SO I WROTE THE NOISE OFF AS NORMAL. A FEW DAYS LATER HOME MY WIFE STARTED THE VEHICLE AND TURNED THE AIR CONDITIONING ON AND SMELLED SOMETHING BURNING. THE COMPRESSOR HAD SE..."
"DT*: THE CONTACT STATED WHILE DRIVING VARIOUS SPEEDS, THE CHECK ENGINE LIGHT ILLUMINATED WITHOUT INCIDENT. THE VEHICLE WAS INSPECTED BY A DEALER WHO DETERMINED THE LEFT REAR STRUT HAD WORN INTO THE REAR FUEL LINE ASSEMBLY AND MADE A PINHOLE SIZED PUNCTURE. THE DEALER REPLACED THE PUNCTURED FUEL LI..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Chevrolet Suburban 1500 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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