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Electrical systemPart report

2003 Mitsubishi Montero Sport Electrical system Problems

Complaints
5about this part
Share
16%of 31 total for the year
Median mileage
40,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the electrical system of the 2003 Mitsubishi Montero Sport, 16% of the 31 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.

“Takata recall when a oil leek accor in due time it automatically drips directly on one of the spark plugs.also the emissions control system doesn't function a reading electronic diagnostic when finding issue”

NHTSA complaint #10992777, filed 2017-06, 100 miles

“While driving at any speed dashboard lights reflected on the external rear view mirror at night. Consumer considered the reflection very distracting while driving. Speedometer reflects off driver side window and onto the exterior rear view mirror.”

NHTSA complaint #10056040, filed 2004-03, 1,400 miles

“The contact owns a 2003 Mitsubishi Montero Sport. The contact stated that the horn worked sporadically. In addition, the horn would continue to sound unless the fuse was disconnected. The contact replaced the fuse; however, the failure continued to occur. As of january 3, 2008, the dealer or manufacturer had not inspected the vehicle. The current and failure mileages were 66,280.”

NHTSA complaint #10213570, filed 2008-01, 66,280 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2003516%
2002713%
20011117%
200066%
199913%
1998411%
199727%

Other parts of the 2003 Mitsubishi Montero Sport

Air bags
5 complaints
Engine
5 complaints
Transmission and drivetrain
5 complaints
Brakes
4 complaints
Engine cooling
4 complaints
Fuel system
4 complaints
Suspension
3 complaints
Vehicle speed control
3 complaints
Seat belts
1 complaints
Steering
1 complaints
Body and structure
1 complaints
Wheels
1 complaints

← All problems reported for the 2003 Mitsubishi Montero Sport

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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