2000 Mitsubishi Mirage Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2000 Mitsubishi Mirage 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 2000 Mitsubishi Mirage 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 2000 Mitsubishi Mirage 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 throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2000 Mitsubishi Mirage?

When faced with a non-functional cruise control in a 2000 Mitsubishi Mirage, it's crucial to adopt a systematic diagnostic approach. Begin by checking the fuse associated with the cruise control system, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the wiring for any signs of damage, loose connections, or corrosion, as these issues can disrupt the electrical flow necessary for the system to operate. Following this, test the cruise control switch itself; a faulty switch may require replacement to restore functionality. Given that older vehicles like the Mirage often utilize vacuum lines for cruise control, examine these lines for any leaks or blockages that could hinder performance. Additionally, using a diagnostic scanner to check for error codes can provide valuable insights into specific problems affecting the system. Finally, inspect the cruise control module for any signs of damage or malfunction, as this component is critical for the system's operation and may need to be replaced if found defective. By methodically following these steps, you can effectively troubleshoot and potentially resolve the issues with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2000 Mitsubishi Mirage?

When troubleshooting the cruise control system in a 2000 Mitsubishi Mirage, it's essential to understand the common problems that may lead to its failure. One of the primary culprits could be a faulty cruise control switch, which is responsible for engaging the system; if this switch malfunctions, the cruise control may not activate at all. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to function, making it another likely issue to check. Vacuum leaks are also a significant concern, as they can interfere with the system's operation by preventing it from maintaining the desired speed. Furthermore, a defective speed sensor can hinder the cruise control's ability to regulate speed effectively, while problems with the brake light switch can prevent the system from engaging when the brakes are applied. Lastly, a malfunctioning throttle cable can impact the cruise control's performance, leading to erratic behavior or complete failure. By systematically examining these components, DIY enthusiasts can identify and potentially resolve the issues affecting their vehicle's cruise control system.

How urgent is it to repair the non-functioning cruise control in a 2000 Mitsubishi Mirage?

When contemplating the urgency of repairing the non-functioning cruise control in a 2000 Mitsubishi Mirage, it's essential to weigh several factors that can influence your decision. Although cruise control is primarily a convenience feature, its absence can lead to increased driver fatigue, especially on long journeys, which may compromise safety indirectly. Additionally, if you plan to sell or trade in your vehicle, a functioning cruise control system can enhance its resale value, making it a worthwhile investment. Furthermore, the malfunctioning cruise control could be a symptom of more significant underlying issues within the vehicle, which could lead to further complications if left unaddressed. Therefore, while the repair may not be immediately urgent, considering the potential impacts on comfort, resale value, and overall vehicle health can guide you in determining the appropriate timing for the repair.

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