2003 Mitsubishi Montero Electrical system Problems
- Complaints
- 4about this part
- Share
- 10%of 39 total for the year
- Median mileage
- 57,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2003 Mitsubishi Montero, 10% of the 39 complaints for this model year. Where a mileage was given, the median is 57,500 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.
“An electrical system failure was causing all electrical operated components to malfunction or inoperative. For example, automatic door locks/interior lights/radio and etc. The cause of the failure had not been determined although vehicle had been serviced several times for this problem.”
NHTSA complaint #10037616, filed 2003-08, 50,000 miles“The contact owns a 2003 Mitsubishi Montero. While parked, the horn began to sound continuously. The contact disconnected the battery in order to stop the horn. The failure recurred different twice, both times during colder weather. The vehicle was not taken to the dealer for diagnostics or repairs. The VIN was not available. The approximate failure mileage was 168,000.”
NHTSA complaint #10433766, filed 2011-11, 168,000 miles“The contact owns a 2003 Mitsubishi Montero. The contact stated that the temperature gauge needle would fluctuate from warm to hot when the vehicle was started. A local repair shop and the dealer were both able to duplicate the failure, but could not determine the cause. The current mileage is 59,082 and failure mileage was 57,500.”
NHTSA complaint #10196197, filed 2007-07, 57,500 miles“While driving at any speed and turning the steering wheel to the left or right the vehicle always swayed to the right. The dealer replaced many parts but the problem is still occurring. The vehicle also made noise while driving over bumps and while making turns. While driving the front passenger axle and wheel hub broke. The 4x4 hi light was flashing. The dealer replaced the shifter switch.”
NHTSA complaint #10044205, filed 2003-11Related service bulletins
- 10170096Mar 5, 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170100Feb 6, 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170087Dec 7, 2012This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10018379Dec 1, 2004Rv meter temperature display update. Mitsubishi. Tech talk.
- 10013783Oct 1, 2004Rv meter temperature display. 8eh
- 10013703Aug 1, 2004Intermittent diagnostic trouble code p2100.
- 10013681Aug 1, 2004Astc code 35 or 37. Mitsubishi tech talk.
- 10014388Jun 1, 2004Rv meter reading incorrect.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 4 | 10% |
| 2002 | 7 | 6% |
| 2001 | 22 | 13% |
| 2000 | 6 | 12% |
| 1999 | 2 | 5% |
| 1997 | 8 | 13% |
| 1996 | 1 | 4% |
| 1995 | 5 | 6% |
| 1993 | 1 | 7% |
| 1992 | 1 | 8% |
| 1991 | 1 | 6% |
Other parts of the 2003 Mitsubishi Montero
11 complaintsFuel system
6 complaintsTransmission and drivetrain
6 complaintsAir bags
3 complaintsEngine cooling
3 complaintsSuspension
3 complaintsSeat belts
2 complaintsTires
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsWheels
2 complaintsElectronic stability control
1 complaintsEquipment
1 complaints
← All problems reported for the 2003 Mitsubishi Montero
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