DRIVER'S ELECTRIC SEAT HEATER TURNS ON BY ITSELF, SWITCH DOES NOT TURN IT OFF. INTERMITENT PROBLEM. REPEATED SERVICE ATTEMPTS BY GM HAVE NOT CORRECTED PROBLEM. VERY DISTRACTING TO THE DRIVER. THE SEAT GETS UNCOMFORTABLY HOT. *CN
2003 Chevrolet Suburban 1500
Owner reports · Recalls · Investigations
More warning signs than most Suburban 1500 years
Owner complaints for the 2003 Chevrolet Suburban 1500 are substantially higher than the model-year median of 53.
About this comparison →How this year compares
Owner complaints by model year
Compare all Suburban 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
151 reports with mileage · 24 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 60 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Seats complaints
1 reportsOfficial recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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