2018 Mitsubishi Outlander PHEV Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2018 Mitsubishi Outlander PHEV

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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 2018 Mitsubishi Outlander PHEV 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 2018 Mitsubishi Outlander PHEV 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.

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 steps should I take to diagnose the non-functioning cruise control in my 2018 Mitsubishi Outlander PHEV?

To effectively diagnose the non-functioning cruise control in your 2018 Mitsubishi Outlander PHEV, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is a straightforward fix that could resolve the issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can disrupt the system. Following this, verify the speed sensor's functionality, as it is essential for the cruise control to operate correctly. Additionally, check the brake pedal switch, which should be functioning properly to prevent unintended disengagement of the cruise control. If these initial checks do not yield results, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the system. Finally, inspect the wiring and connections associated with the cruise control for any signs of damage or corrosion, ensuring that everything is securely connected. By following this methodical approach, you can effectively identify and address the root cause of the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2018 Mitsubishi Outlander PHEV?

When troubleshooting the cruise control system in a 2018 Mitsubishi Outlander PHEV, it's essential to understand the common problems that may lead to its malfunction. One prevalent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, the brake light switch plays a crucial role; if it malfunctions, the cruise control may fail to activate or disengage properly when the brake pedal is pressed. Another potential culprit is the throttle control system, where a defective throttle position sensor or electronic throttle control unit can hinder the cruise control's performance. Electrical problems, such as wiring issues or blown fuses, can also interfere with the cruise control module's operation. Lastly, software glitches within the vehicle's onboard computer may cause the cruise control to stop working, which can often be resolved by resetting the system or updating the software. By identifying and addressing these common issues, you can effectively troubleshoot and restore the functionality of the cruise control in your Outlander PHEV.

How urgent is it to address the malfunctioning cruise control in a 2018 Mitsubishi Outlander PHEV?

Addressing a malfunctioning cruise control in a 2018 Mitsubishi Outlander PHEV is of utmost importance due to the potential safety risks and performance issues it can cause. When cruise control fails, it can hinder the driver’s ability to maintain a steady speed, increasing the likelihood of accidents on the road. Moreover, such malfunctions may signal deeper electronic system or sensor problems, which could compromise other vehicle functions. Ignoring these symptoms not only diminishes fuel efficiency but also detracts from the overall driving experience, as cruise control is designed to enhance comfort during long journeys. By promptly diagnosing and repairing the issue, you can prevent further damage to your vehicle, ultimately saving on costly repairs down the line. Therefore, it is crucial to take action as soon as you notice any irregularities with your cruise control system to ensure both safety and optimal vehicle performance.

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