2003 Mitsubishi Diamante Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 2%of 56 total for the year
- Median mileage
- 40,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the exterior lighting of the 2003 Mitsubishi Diamante, 2% of the 56 complaints for this model year. Where a mileage was given, the median is 40,000 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.
“Car doors are locking by themselves, the alarm for keys being left in the ignition no longer sounds, the automatic unlock when keys left in the ignition no longer works, and the headlights do not turn off when the car is turned off and door opened. Have been stranded several times due to keys locked in the car, and a dead battery due to headlights being left on.”
NHTSA complaint #10117995, filed 2005-04, 40,000 milesRelated service bulletins
- 10211530Apr 7, 2022This Technical Service Bulletin was sent to dealers to explain the difference between normal dew condensation, which is a natural phenomenon, and water penetration caused by…
- 10170074Aug 28, 2015This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10019918Apr 1, 2006Loose center high mount stop lamp.
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 1 | 2% |
| 1994 | 2 | 7% |
Other parts of the 2003 Mitsubishi Diamante
28 complaintsEngine cooling
17 complaintsBrakes
5 complaintsTransmission and drivetrain
4 complaintsEquipment
3 complaintsSuspension
3 complaintsTires
3 complaintsElectrical system
2 complaintsFuel system
2 complaintsAir bags
1 complaintsLatches, locks and linkages
1 complaintsSeats
1 complaints
← All problems reported for the 2003 Mitsubishi Diamante
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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