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NHTSA vehicle safety data

2003 GMC Suburban Recalls & Complaints

The 2003 GMC Suburban has 1 NHTSA recall campaign and 7 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized GMC dealer.

NHTSA recall and complaint data for the 2003 GMC Suburban. Recall data is refreshed daily from NHTSA.

2003 GMC Suburban owner complaints

Owners have filed 7 complaints with NHTSA about the 2003 GMC Suburban, describing incidents dated February 2, 2003 to January 19, 2009.

Most-cited components

  • Equipment 3 complaints
  • Service Brakes 3 complaints
  • Engine 1 complaint
  • Fuel/Propulsion System 1 complaint
  • Power Train 1 complaint
  • Steering 1 complaint

Of the 7 complaints on file, 1 reports a crash (owner-reported, not verified by NHTSA).

Newest complaints

  • ODI #10258477 · Filed

    JUNE 2006 THE FUEL PUMP STOPPED WORKING WHEN I WAS DRIVING ON THE FREEWAY, I WAS TOWED TO THE GARAGE WE NORMALLY USE FOR MAINTENANCE. THEY REPLACED THE FUEL PUMP WE DID NOT PURSUE THIS UNDER THE ORIGINAL WARRANTY ON THE VEHICLE - BIG MISTAKE! IN JANUARY 2009 THE FUEL GAUGE STOPPED WORKING AND AGAIN…

  • ODI #10199419 · Filed

    TL*THE CONTACT OWNS A 2003 GMC SUBURBAN. THE CONTACT STATED THAT HE PURCHASED HIS VEHICLE BRAND NEW AND HAS CURRENTLY SPENT OVER $5,000 IN REPAIRS. HE HAS BEEN TO THE DEALER FOUR DIFFERENT TIMES CONCERNING THE STEERING WHEEL VIBRATING, SHAKING, AND ROCKING WHILE DRIVING THE VEHICLE. EACH TIME HE…

  • ODI #10190355 · Filed

    DEFECTIVE REBUILT TRANSMISSION. I PURCHASED A FACTORY REBUILT 4L80E HD GMC TRANSMISSION FROM SHARP'S TRANSMISSION AND AUTO, INC OF TUCSON, AZ, FOR GMC SUBURBAN TOW VEHICLE . IT HAS A DEFECT THAT A GM MECHANIC SAYS IS HIGHLY PROBABLE TO CAUSE A TRANSMISSION FAILURE. THERE IS A GOOD PROBABILITY THAT I…

Read all 7 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2003 GMC Suburban in 2 investigations. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations

SOUTHERN COMFORT/RUNNING BOARDS

NHTSA #03V094000 · Structure · NHTSA notice

Reported March 7, 2003 · SOUTHERN COMFORT CONVERSIONS

Potentially affected: 3,674 vehicles

Owners notified March 7, 2003 · Vehicles built August 1, 2000 – March 3, 2003 (per NHTSA)

Defect description

CERTAIN PICKUP TRUCK, VAN, AND MINI VAN CONVERSIONS EQUIPPED WITH SOUTHERN COMFORT BUILT RUNNING BOARDS THAT CONTAIN CERTAIN COURTESY LIGHTS MANUFACTURED BY AMERICAN TECHNOLOGY COMPONENTS, INC. THESE UNITS CONTAIN A COURTESY LIGHT OR LIGHTS THAT MIGHT OVERHEAT WHEN THE WIRE HARNESS IS EXPOSED TO EXCESSIVE MOISTURE AND ROAD SALT.

Safety consequence

THIS OVERHEATING CONDITION CAN CAUSE THE RUNNING BOARD TO MELT OR CAUSE A FIRE.

Manufacturer remedy

DEALERS WILL REPLACE THE WIRING HARNESS ON THESE RUNNING BOARDS. OWNER NOTIFICATION BEGAN MARCH 7, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT SOUTHERN COMFORT AT 1-800-745-6096.

Notes

CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

Other GMC Suburban model years

Check your 2003 GMC Suburban VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your GMC Suburban at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

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