2012 Mitsubishi Lancer Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2012 Mitsubishi Lancer

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Reviewed by
Bo Fader
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 2012 Mitsubishi Lancer 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 2012 Mitsubishi Lancer 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.

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 steps to diagnose the cruise control issue in a 2012 Mitsubishi Lancer?

To effectively diagnose a cruise control issue in a 2012 Mitsubishi Lancer, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. Following this, check the speed sensors, as they play a crucial role in maintaining the set speed; any malfunction here can hinder the cruise control's performance. Utilizing a diagnostic scanner to scan for error codes can provide valuable insights into specific issues affecting the system. Additionally, inspect the vacuum lines for any leaks, as compromised lines can result in a loss of vacuum pressure, further impacting cruise control operation. Finally, test the cruise control module to confirm it is communicating effectively with the vehicle's engine. By following this structured diagnostic approach, you can identify and address the root cause of the cruise control issue in your Mitsubishi Lancer.

What are the common problems that could cause the cruise control to stop working in a 2012 Mitsubishi Lancer?

When dealing with cruise control issues in a 2012 Mitsubishi Lancer, it's essential to understand the common problems that may be at play. One of the first things to check is the fuse; a blown fuse can easily disrupt the cruise control system, and replacing it is a straightforward fix. Another critical component is the brake pedal switch; if this switch is faulty, it may prevent the cruise control from engaging, as the system relies on it to know when the brakes are applied. Additionally, the speed sensor plays a vital role in maintaining a constant speed, and any malfunction here can lead to erratic behavior of the cruise control. It's also important to inspect the throttle cable for any signs of wear or damage, as issues like fraying can hinder the system's performance. Lastly, vacuum leaks in the engine can significantly affect the cruise control's ability to function properly, so checking for these leaks is crucial. By systematically addressing these potential issues, DIY enthusiasts can effectively troubleshoot and restore the cruise control functionality in their Mitsubishi Lancer.

How urgent is it to address the non-functioning cruise control in a 2012 Mitsubishi Lancer?

When it comes to the non-functioning cruise control in a 2012 Mitsubishi Lancer, understanding the urgency of the situation is crucial for maintaining a safe and enjoyable driving experience. While this issue may not pose an immediate threat to the vehicle's overall drivability, it can significantly impact comfort, especially during long drives where cruise control is particularly beneficial. Ignoring the problem could lead to increased frustration for the driver, particularly on extended trips where maintaining a steady speed is desirable. Moreover, delaying repairs might allow underlying issues to escalate, potentially resulting in more complex and costly repairs down the line. Therefore, while the urgency may not rival that of critical systems like brakes or engine performance, addressing the cruise control malfunction promptly is advisable to enhance driving convenience and prevent future complications.

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2012 Mitsubishi Lancer Cruise Control Issues & Repairs