MotorDeets

2003 GMC Suburban: Recalls, Problems & MPG

Here are the deets on the 2003 GMC Suburban: 1 recall, 5 owner complaints.

1vehicle recalls
5owner complaints
1mention a crash
–best combined mpg
2003 GMC Suburban
Photo: Jorby guy · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Body & structure Vehicle recall #03V094000 · 2003 · 3,674 vehicles

What's wrong: 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.

Why it matters: This overheating condition can cause the running board to melt or cause a fire.

The fix: Dealers will replace the wiring harness on these running boards. Owner notification began March 7, 2003.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.

Brakes (hydraulic)2
Tires1
Steering1
Engine & cooling1
Fuel system1
Equipment1

What owners describe

The 2003 GMC Suburban has 5 owner complaints, ranking #14 of 15 Suburban model years for complaints (well below the 118 average). Complaints peaked in 2004 (2 filed that year). The typical problem showed up when the car was about 1 year old, at a median of 30,000 miles. Neighboring years: 2002 (7 complaints, 1 recalls), 2004 (1 complaints, 0 recalls).

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2003 GMC Suburban.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2003 GMC Suburban manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check 2003 GMC Suburban manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check 2003 GMC Suburban manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2003 GMC Suburban manual

Heads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure

FAQ

Does the 2003 GMC Suburban have any recalls?

Yes. NHTSA lists 1 vehicle recall for the 2003 GMC Suburban. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2003 GMC Suburban problems?

Owners have filed 5 complaints with NHTSA. The most-reported areas are brakes (hydraulic) (2), tires (1), steering (1).

Where can I get a 2003 GMC Suburban repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Suburban years

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