2001 Saturn SL2 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Saturn SL2 and How to Fix Them

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Reviewed by
Aisha
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 SL2 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 SL2 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 throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

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 initial steps to diagnose the non-functioning cruise control in a 2001 Saturn SL2?

To effectively diagnose the non-functioning cruise control in your 2001 Saturn SL2, start by checking the control module, as this component is often the culprit behind cruise control failures. Ensure that the module is receiving power and is free from any visible damage or corrosion. Next, confirm whether the cruise control system has been engaged properly; sometimes, it may be inadvertently disabled due to a malfunction or user error. Look for any warning lights on the dashboard that could indicate related issues. By systematically addressing these areas, you can narrow down the potential causes and take the necessary steps to restore functionality to your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2001 Saturn SL2?

When dealing with a non-functional cruise control system in a 2001 Saturn SL2, it's crucial to understand the potential issues that could be at play. One of the primary culprits is a failed control module, which can disrupt the entire cruise control operation. Additionally, sensor or switch malfunctions, particularly with the brake pedal position sensor or throttle body, can prevent the system from engaging properly. Throttle actuation problems, such as a faulty throttle or damaged vacuum hoses, may also hinder functionality. Lastly, electrical issues, ranging from a blown fuse to defective switches or sensors, can complicate matters further. By systematically diagnosing these common problems, DIYers can identify the root cause of the cruise control failure and take the necessary steps to restore its functionality.

How urgent is it to repair the non-functioning cruise control in a 2001 Saturn SL2?

When evaluating the urgency of repairing the non-functioning cruise control in your 2001 Saturn SL2, it's essential to consider both your driving habits and the potential risks associated with neglecting the issue. If you often embark on long highway drives, the convenience of cruise control can significantly enhance your comfort and reduce fatigue, making timely repairs more critical. Conversely, if your driving primarily consists of short city trips, the urgency may be less pronounced. However, it's crucial to recognize that a malfunctioning cruise control system can sometimes indicate underlying problems that could affect vehicle safety. For instance, issues like a blown fuse or a faulty brake switch are relatively minor but should be addressed quickly to restore functionality. On the other hand, if the malfunction stems from more complex components like the control module or ECM, delaying repairs could lead to more significant damage and costly repairs down the line. Ultimately, assessing the role of cruise control in your daily driving and understanding the potential safety implications will guide you in determining how urgently you should address the repair.

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