Electrical System Related Problems of the 2003 Mitsubishi Montero

Table 1 shows four common electrical system related problems of the 2003 Mitsubishi Montero. The number one most common problem is related to the horn assembly (one problem). The second most common problem is related to the instrument panel (one problem).

Table 1. Electrical System related problems of Mitsubishi Montero


Recently reported Electrical System problems of the 2003 Mitsubishi Montero

The Horn Assembly problem

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.   Read details...

The Instrument Panel problem

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.   Read details...

The Electrical System problem

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.   Read details...


Electrical System related problems in other Mitsubishi Montero model year vehicles:



Fuel Economy of Montero Vehicles
Montero Service Bulletins
Montero Safety Recalls
Montero Defect Investigations