2008 Mitsubishi Lancer Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Mitsubishi Lancer and How to Fix Them

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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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2008 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 2008 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 2008 Mitsubishi Lancer?

To effectively diagnose a cruise control issue in a 2008 Mitsubishi Lancer, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start 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 and not stuck, as this can prevent engagement. Following this, check the speed sensors, which play a crucial role in the cruise control system; any malfunction here can lead to issues. Utilizing a diagnostic scanner to identify any error codes can provide valuable insights into specific problems affecting the cruise control. Additionally, inspect the vacuum lines for leaks, as these are vital for the system's operation. Testing the cruise control module is also important, as a faulty module can hinder communication within the system. Finally, ensure that all wiring connections are secure and undamaged, as loose or damaged wires can significantly impact performance. By following this structured diagnostic approach, you can effectively identify and address the cruise control issues in your Mitsubishi Lancer.

What are the common problems that could cause the cruise control to stop working in a 2008 Mitsubishi Lancer?

When troubleshooting the cruise control system in a 2008 Mitsubishi Lancer, it's essential to understand the common problems that may lead to its failure. One of the first things to check is the fuse; a blown fuse can easily disrupt the cruise control's functionality, and replacing it is a straightforward fix. Additionally, the brake pedal switch plays a crucial role in the system's operation; if this switch is faulty, it may prevent the cruise control from engaging, as it fails to send the necessary signal. Another critical component is the speed sensor, which ensures the vehicle maintains a constant speed; any issues here can lead to erratic behavior or complete failure of the cruise control. Furthermore, inspect the throttle cable and linkage for any obstructions or damage, as these can hinder the system's performance. Lastly, consider the electronic control module (ECM), which oversees various vehicle functions, including cruise control; a malfunction in this module can significantly impact the system. By systematically checking these components, you can effectively diagnose and potentially resolve the cruise control issues in your Mitsubishi Lancer.

How urgent is it to address the non-functioning cruise control in a 2008 Mitsubishi Lancer?

Addressing the non-functioning cruise control in your 2008 Mitsubishi Lancer is more urgent than it may initially seem. A malfunctioning cruise control system can pose significant safety risks, such as unexpected acceleration or deceleration, which could lead to dangerous driving situations or accidents. Additionally, the absence of this feature can detract from your driving comfort, especially during long trips where maintaining a steady speed is crucial for a relaxed experience. Furthermore, diagnosing the underlying cause of the issue may require professional assistance, which can be time-consuming and may delay your ability to drive safely. Lastly, neglecting this maintenance issue could negatively impact your vehicle's resale value, as potential buyers may be deterred by unresolved problems. Therefore, it is advisable to prioritize the repair of your cruise control system to ensure both your safety and the overall performance of your vehicle.

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