2001 Saturn LW300 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Saturn LW300 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 LW300 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 LW300 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 non-functioning cruise control in a 2001 Saturn LW300?

To effectively diagnose the non-functioning cruise control in your 2001 Saturn LW300, start with a systematic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for malfunction. Next, evaluate the condition of the brake pedal and throttle body, since any irregularities here can directly impact cruise control functionality. It's also crucial to monitor the voltage at the brake light bulbs; when the brakes are not engaged, this voltage should be close to zero. This step is essential because the cruise control system relies on this feedback to determine whether the brakes are applied. To confirm that the brake lights are functioning correctly, enlist the help of a friend to press the brake pedal while you observe the lights. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2001 Saturn LW300?

When dealing with a malfunctioning cruise control system in a 2001 Saturn LW300, it's essential to understand the common problems that could be at play. One of the first areas to check is the cruise control switch, as a faulty switch can prevent the system from engaging. Additionally, inspecting the vehicle's fuse box for a blown fuse is crucial, as this can disrupt the entire cruise control operation. Another potential issue is vacuum leaks within the cruise control system, which can lead to a loss of functionality. It's also important to consider the speed sensor; if it's defective, it may provide inaccurate speed readings, hindering the cruise control's ability to maintain a set speed. Furthermore, problems with the brake light switch can inhibit the cruise control from activating, while a malfunctioning throttle cable can interfere with speed adjustments. By systematically checking these components, DIYers can effectively troubleshoot and potentially resolve cruise control issues in their Saturn LW300.

How urgent is it to repair the non-functioning cruise control in a 2001 Saturn LW300?

When evaluating the urgency of repairing the non-functioning cruise control in a 2001 Saturn LW300, it is crucial to recognize the potential consequences of neglecting this issue. A malfunctioning cruise control system can compromise safety by increasing driver fatigue and distraction, particularly during long drives where maintaining a consistent speed is essential. Additionally, the convenience of cruise control enhances the overall driving experience, making it less tiring and more enjoyable. From a financial perspective, having all features operational can positively influence the vehicle's resale value, making it more appealing to potential buyers. Furthermore, a non-functioning cruise control may indicate underlying mechanical problems that could escalate if left unaddressed. Therefore, while the urgency may vary based on personal circumstances, it is generally advisable to prioritize the repair of cruise control to ensure safety, comfort, and the long-term health of the vehicle.

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2001 Saturn LW300 Cruise Control Not Working | RepairPal