2003 Chevrolet Suburban 1500 Engine Problems
- Complaints
- 2about this part
- Share
- 1%of 175 total for the year
- Median mileage
- 154,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2003 Chevrolet Suburban 1500, 1% of the 175 complaints for this model year. Where a mileage was given, the median is 154,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving on the highway and I lost all power. It said (reduced engine power) on the dash. This has happened several times and I haven't found a mechanic who can fix it. I've looked all over the internet and there are many other people with the same problem. This is very dangerous and almost caused an accident. It comes out of nowhere and for this to happen to someone for the first time, it's going to cause some deadly crashes.”
NHTSA complaint #10668397, filed 2014-12, 114,000 miles“Just finished driving vehicle for 1 hour at highway speeds without incident. Parked car for 5 minutes, upon trying to restart, the car displayed reduced engine power on the driver information console. Approximately 8 restarts and the message did not display. Drove car 5 minutes and parked it for 1 hour, upon restart displayed same message, car was virtually undriveable. 3 restarts later message no longer displayed. This message has now intermittently occurred ever since seemingly without any pattern. …”
NHTSA complaint #10495328, filed 2013-01, 195,000 milesRelated service bulletins
- 11012907Dec 18, 2024This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- 11010544Oct 7, 2024This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10082869Aug 29, 2016This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
- 10082814Aug 2, 2016This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
- 10201098Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10190503Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 9 | 50% |
| 2025 | 14 | 44% |
| 2023 | 10 | 59% |
| 2011 | 2 | 3% |
| 2010 | 2 | 4% |
| 2009 | 6 | 11% |
| 2008 | 8 | 8% |
| 2007 | 12 | 6% |
| 2005 | 1 | 1% |
| 2004 | 3 | 2% |
| 2003 | 2 | 1% |
| 2002 | 5 | 4% |
| 2001 | 3 | 3% |
| 2000 | 1 | 1% |
| 1999 | 1 | 1% |
Other parts of the 2003 Chevrolet Suburban 1500
65 complaintsElectrical system
60 complaintsFuel system
14 complaintsBody and structure
14 complaintsVisibility (wipers, defrost, mirrors)
10 complaintsSteering
9 complaintsVehicle speed control
7 complaintsEngine cooling
6 complaintsTransmission and drivetrain
6 complaintsOther or unknown
4 complaintsSeat belts
4 complaintsExterior lighting
3 complaints
← All problems reported for the 2003 Chevrolet Suburban 1500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology