2011 Cadillac DTS Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2011 Cadillac DTS

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Reviewed by
Devin Cabugcal
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 2011 Cadillac DTS 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 2011 Cadillac DTS 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 vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 2011 Cadillac DTS?

To effectively diagnose a cruise control issue in your 2011 Cadillac DTS, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by checking if the check engine light is illuminated, as this could indicate a broader issue affecting the cruise control system. Utilizing an OBD2 scan tool will allow you to retrieve any error codes that can guide your troubleshooting efforts. Next, inspect the fuses associated with the cruise control; a blown fuse can easily disrupt its functionality. Following this, examine the brake pedal and throttle body, as any malfunction in these components can directly impact the cruise control's operation. Finally, employing a diagnostic scanner can provide deeper insights into the system, helping you pinpoint any underlying problems. By adhering to this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2011 Cadillac DTS?

When diagnosing why the cruise control in a 2011 Cadillac DTS has stopped functioning, it's essential to consider several common problems that could be at play. One frequent issue is a failure in the control module, which can disrupt the entire system's operation. Additionally, sensor or switch malfunctions can prevent the cruise control from engaging or maintaining speed. Throttle actuation problems may also arise, affecting the vehicle's ability to respond to cruise control commands. Another critical area to inspect is the rear brake controller switch; if this component is faulty, it can inadvertently disengage the cruise control. Furthermore, a malfunctioning vacuum actuator or damaged vacuum hoses can lead to a loss of pressure, rendering the system ineffective. It's also important to check the cable that connects the actuator to the cruise control system, as any damage here can impede functionality. Lastly, a blown fuse or a defective brake pedal switch can cause the cruise control to fail, as can issues with the brake lights themselves. By systematically examining these components, you can identify and address the root cause of the cruise control malfunction in your Cadillac DTS.

How urgent is it to address the non-functioning cruise control in a 2011 Cadillac DTS?

Addressing the non-functioning cruise control in a 2011 Cadillac DTS should be considered a priority, even if it may not seem like an immediate emergency. The convenience of cruise control is particularly valuable during long drives, as it helps maintain a steady speed and reduces driver fatigue. However, a malfunctioning system could signal deeper issues within the vehicle's control module, sensors, or throttle actuation, which may affect other critical systems. Ignoring this problem could lead to safety risks, especially on highways where cruise control is frequently utilized. Moreover, delaying repairs can result in more significant complications down the line, potentially leading to costly repairs and diminished vehicle performance. Therefore, it is advisable to address the cruise control malfunction promptly to ensure both safety and optimal functionality of your Cadillac DTS.

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