2003 GMC C4500 Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the exterior lighting of the 2003 GMC C4500, 17% of the 6 complaints for this model year.
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.
“When the vehicle reached a speed of 50 MPH, the head lights dimmed. When the lights are adjusted properly, they do not allow the proper light on the road at speeds greater than 50 MPH. Dealer did not see the problem. Scc”
NHTSA complaint #10012110, filed 2003-03Related service bulletins
- 10249011Jan 12, 2024This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
- 10232136Feb 15, 2023This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 1 | 17% |
Other parts of the 2003 GMC C4500
2 complaintsTransmission and drivetrain
2 complaintsEngine cooling
1 complaintsTires
1 complaints
← All problems reported for the 2003 GMC C4500
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