2005 Mitsubishi Montero Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2005 Mitsubishi Montero and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2005 Mitsubishi Montero cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2005 Mitsubishi Montero cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What are the steps to diagnose the cruise control issue in a 2005 Mitsubishi Montero?

To effectively diagnose cruise control issues in your 2005 Mitsubishi Montero, begin with the simplest solutions. Start by checking the cruise control fuse; a blown fuse is often the culprit behind malfunctioning systems. Next, inspect the cruise control switch located on the steering wheel, as a faulty switch can prevent engagement. If these initial checks do not resolve the issue, examine the vacuum lines for any leaks or damage, as these can disrupt the necessary vacuum pressure for operation. Following this, test the cruise control module to ensure it is sending the correct signals; a malfunctioning module can hinder functionality. Additionally, using a diagnostic scanner to check for error codes can provide insights into any underlying problems. Finally, inspect the speed sensor, as a faulty sensor can prevent the cruise control from maintaining a steady speed. By following this structured approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2005 Mitsubishi Montero?

When troubleshooting the cruise control system in a 2005 Mitsubishi Montero, it's essential to identify and address several common problems that may be affecting its performance. Start by examining the cruise control switch, as a malfunction here can prevent the system from engaging properly. Next, check the fuses associated with the cruise control circuit; a blown fuse can lead to a complete system failure. Additionally, look for vacuum leaks, which can disrupt the necessary pressure for the cruise control to function effectively. The speed sensor is another critical component; if it's defective, it may cause the system to malfunction or disengage unexpectedly. Don't overlook the brake light switch, as issues with this component can prevent the cruise control from activating altogether. Lastly, inspect the throttle cable for any malfunctions, as problems in this area can hinder the cruise control's ability to maintain speed. By systematically evaluating these components, you can effectively diagnose and resolve the cruise control issues in your Montero, ensuring a smoother driving experience.

How urgent is it to repair the non-functioning cruise control in a 2005 Mitsubishi Montero?

When evaluating the urgency of repairing the non-functioning cruise control in a 2005 Mitsubishi Montero, it is crucial to recognize the implications for both safety and convenience. A malfunctioning cruise control system can lead to increased driver fatigue, particularly on long journeys, as it requires constant manual speed adjustments. This not only detracts from the driving experience but can also heighten the risk of distractions, potentially compromising safety on the road. Furthermore, neglecting this issue may result in more significant problems within the vehicle's electrical system, leading to costly repairs down the line. While it may not be an immediate emergency, addressing the cruise control malfunction promptly is advisable to maintain a comfortable driving experience and safeguard against future complications. Taking action now can enhance your driving safety and preserve the overall integrity of your vehicle.

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2005 Mitsubishi Montero Cruise Control Issues & Repairs