2007 Cadillac STS Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Cadillac STS 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 2007 Cadillac STS 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 2007 Cadillac STS 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.

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 2007 Cadillac STS?

When diagnosing a cruise control issue in a 2007 Cadillac STS, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control switch located on the steering wheel; a malfunctioning switch can prevent the cruise control from engaging properly. If these initial checks do not resolve the issue, utilize an OBD-II scanner to identify any error codes that may indicate specific problems within the cruise control system. Following this, examine the vacuum lines for any leaks or damage, as these can significantly affect the system's ability to maintain speed. Additionally, testing the cruise control module is crucial to ensure it is correctly sending and receiving signals. Finally, inspect the speed sensors, as any issues here can also hinder the cruise control's performance. By following this structured diagnostic approach, you can effectively identify and address the underlying causes of cruise control malfunctions in your Cadillac STS.

What are the common problems that could cause the cruise control to stop working in a 2007 Cadillac STS?

When troubleshooting cruise control issues in a 2007 Cadillac STS, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is designed to deactivate the cruise control when the brake is pressed; if this switch malfunctions, it can prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain the desired speed, as it relies on accurate readings to function correctly. Another potential issue is a blown fuse related to the cruise control system; checking and replacing any blown fuses can often resolve the problem. If these components are functioning properly, the cruise control module itself may be faulty and could require repair or replacement. Furthermore, vacuum leaks in the engine can affect the system's performance, leading to inconsistent speed maintenance. Lastly, electrical issues, such as wiring problems or a malfunctioning control switch, can also hinder the cruise control operation. By systematically addressing these common issues, you can effectively troubleshoot and restore the cruise control functionality in your Cadillac STS.

How urgent is it to address the non-functioning cruise control in a 2007 Cadillac STS?

When it comes to the non-functioning cruise control in a 2007 Cadillac STS, understanding the urgency of the situation is crucial for both safety and convenience. A malfunctioning cruise control system can lead to serious safety hazards, such as the inability to cancel the system when needed, which could result in loss of vehicle control. Common culprits behind cruise control failures include blown fuses, defective brake pedal switches, and issues with the throttle control system, all of which can be diagnosed and potentially repaired by a DIY enthusiast. Additionally, electrical problems or faulty components may require troubleshooting to restore functionality. Ignoring these issues not only compromises safety but can also lead to inconvenient driving experiences, especially during long trips where cruise control is essential for maintaining speed and reducing fatigue. Therefore, while it may not seem like an immediate emergency, addressing the cruise control problem promptly is advisable to ensure a safe and enjoyable driving experience.

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