2021 Mitsubishi Outlander PHEV Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2021 Mitsubishi Outlander PHEV

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Reviewed by
Andrew Hajjar
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 2021 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 2021 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 2021 Mitsubishi Outlander PHEV?

To effectively diagnose the non-functioning cruise control in your 2021 Mitsubishi Outlander PHEV, begin with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect 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, since it is essential for the cruise control to engage properly. Additionally, examine the brake pedal switch, which should disengage the cruise control when the brakes are applied; any malfunction here can prevent the system from working correctly. If these initial checks do not resolve the issue, use an OBD-II scanner to look for error codes that may indicate deeper problems within the cruise control system. Should you still be unable to identify the issue, it may be time to consult a professional mechanic or an authorized Mitsubishi service center for a comprehensive diagnosis and repair. By systematically addressing these areas, you can efficiently pinpoint the cause of the cruise control malfunction and take the necessary steps to restore its functionality.

What are the common problems that could cause the cruise control to stop working in a 2021 Mitsubishi Outlander PHEV?

When troubleshooting the cruise control system in a 2021 Mitsubishi Outlander PHEV, it's essential to understand the common problems that may lead to its failure. One of the primary culprits 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, issues with the brake light switch can interfere with cruise control functionality, as the system is designed to disengage when the brake pedal is pressed. Another potential issue is a malfunction in the throttle control system, particularly with the throttle position sensor, which can hinder the cruise control's ability to sustain a constant speed. Electrical problems, such as blown fuses or wiring issues, can also be significant factors, as can software glitches within the vehicle's onboard computer system. By identifying and addressing these common problems, you can effectively troubleshoot and potentially restore the cruise control functionality in your Outlander PHEV.

How urgent is it to address the malfunctioning cruise control in my 2021 Mitsubishi Outlander PHEV?

Addressing the malfunctioning cruise control in your 2021 Mitsubishi Outlander PHEV is of utmost importance due to the safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions for you and others on the road. Additionally, a faulty cruise control system can detract from your driving experience, especially during long trips, where consistent speed is crucial for comfort. Ignoring these symptoms not only compromises your safety but may also lead to further complications within the vehicle's electronic systems, resulting in more significant and costly repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure a safe and enjoyable driving experience.

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