2012 Cadillac CTS Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Cadillac CTS and How to Fix Them

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Reviewed by
Bo Fader
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 2012 Cadillac CTS 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 2012 Cadillac CTS 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.

What are the steps to diagnose the cruise control issue in a 2012 Cadillac CTS?

When diagnosing a cruise control issue in a 2012 Cadillac CTS, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by examining the cruise control fuse, as a blown fuse can often be the simplest explanation for malfunction. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning properly and not obstructed, as this can hinder system engagement. Utilizing an OBD-II scanner to check for error codes can provide critical information about any faults within the system, guiding your troubleshooting efforts. It's also important to assess the speed sensors, which are vital for the cruise control's operation, and to test the brake pedal switch, as it must be in working order for the cruise control to activate. Additionally, inspect the wiring and connections for any signs of wear, damage, or corrosion that could affect performance. If these preliminary steps do not resolve the issue, seeking assistance from a professional mechanic experienced with Cadillac vehicles is recommended for a thorough diagnosis and repair. By systematically addressing these areas, you can effectively troubleshoot and potentially resolve cruise control issues in your Cadillac CTS.

What are the common problems that could cause the cruise control to stop working in a 2012 Cadillac CTS?

When the cruise control in your 2012 Cadillac CTS ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system as it disengages the system when the brakes are applied. If this switch is malfunctioning, it may prevent the cruise control from engaging altogether. Another potential issue could be related to the speed sensor; if this component is not accurately relaying speed information, the cruise control may fail to maintain a constant speed. Additionally, a blown fuse associated with the cruise control system can disrupt its operation, so checking and replacing any blown fuses is a straightforward first step. Problems with the throttle actuator control can also hinder the cruise control's ability to function properly, as this component is responsible for regulating engine speed. Lastly, a malfunctioning cruise control module can be a significant factor in cruise control failure. By systematically checking these components, you can effectively troubleshoot and potentially resolve the issues with your vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2012 Cadillac CTS?

When considering the urgency of repairing a non-functioning cruise control in a 2012 Cadillac CTS, it is crucial to recognize that while it may not seem as pressing as other mechanical failures, the implications of inaction can be significant. A malfunctioning cruise control system can indicate deeper electronic issues that, if left unresolved, may compromise the vehicle's overall safety and performance. This feature is designed to enhance driving comfort and efficiency, particularly on long journeys, and its absence can lead to increased driver fatigue and reduced fuel economy. Moreover, neglecting this repair could escalate into more severe problems, potentially affecting other vehicle components and leading to higher repair costs down the line. Therefore, addressing the cruise control issue promptly not only ensures a safer driving experience but also protects your investment in the vehicle, making it a priority for any conscientious DIY enthusiast.

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2012 Cadillac CTS Cruise Control Issues & Repair Costs