2001 Saturn L300 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Saturn L300 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2001 Saturn L300 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 2001 Saturn L300 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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the steps to diagnose the cruise control issue in a 2001 Saturn L300?

To effectively diagnose the cruise control issue in your 2001 Saturn L300, start by ensuring that you reach a minimum speed of 25 mph, as this is essential for the cruise control system to engage. Once at speed, activate the cruise control by pressing the designated button and observe whether the system responds as expected. If it fails to engage, the next step involves using a scan tool to check the CRUISE BRAKE SWITCH and other related components for any intermittent faults that may be affecting functionality. Additionally, it’s important to consider potential reasons for the cruise control malfunction, such as electrical issues or mechanical failures, which can guide your troubleshooting process. By following this structured approach, you can systematically identify and address the underlying problems with your vehicle's cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2001 Saturn L300?

When troubleshooting the cruise control system in a 2001 Saturn L300, it's essential to consider several common problems that could be causing the malfunction. One of the first things to check is the fuse associated with the cruise control; a blown fuse is a straightforward issue that can easily be resolved. Additionally, defective switches, particularly the cruise control switch, can lead to operational failures, so inspecting these components is crucial. Electrical problems, which may stem from the engine or transmission, can also disrupt the cruise control functionality, making it necessary to examine the vehicle's wiring and connections. Faulty sensors, which play a vital role in the system's operation, should be tested for proper function, as their failure can prevent the cruise control from engaging. Furthermore, issues with the vacuum actuator or damaged vacuum hoses can hinder the system's performance, so checking these parts is advisable. Lastly, brake-related problems, such as malfunctioning brake lights or switches, can inadvertently disable the cruise control, necessitating a thorough inspection of the braking system. By systematically addressing these potential issues, DIYers can effectively diagnose and resolve cruise control problems in their Saturn L300.

How urgent is it to repair the non-functioning cruise control in a 2001 Saturn L300?

When it comes to the urgency of repairing the non-functioning cruise control in a 2001 Saturn L300, several critical factors come into play. First and foremost, safety should be the primary concern; a malfunctioning cruise control system can lead to dangerous situations, particularly on long drives where driver fatigue is a significant risk. Ensuring that all vehicle systems, including cruise control, are operational is essential for safe driving. Additionally, the convenience factor cannot be overlooked. Cruise control enhances the driving experience, especially on highways, by allowing drivers to maintain a steady speed without constant pedal pressure, thereby reducing fatigue during extended trips. Lastly, addressing the cruise control issue can positively influence the vehicle's resale value. Prospective buyers are likely to be wary of a car with malfunctioning features, which could deter them from making a purchase or lead to lower offers. Therefore, it is advisable to prioritize the repair of the cruise control system not only for immediate safety and comfort but also for the long-term value of the vehicle.

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