2012 Acura TSX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Acura TSX 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 2012 Acura TSX 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 Acura TSX 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 Acura TSX?

When diagnosing a cruise control issue in a 2012 Acura TSX, it's crucial to follow a structured diagnostic approach that prioritizes simpler checks before moving on to more complex assessments. Begin by inspecting the cruise control fuse, as a blown fuse can often be the simplest explanation for malfunction. Next, check the cruise control buttons on the steering wheel to ensure they are operational and not stuck, as this can hinder system engagement. After that, examine the speed sensors, which are essential for the cruise control's functionality, to confirm they are working correctly. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any potential issues. Additionally, inspect the vacuum lines for leaks or damage, as these can significantly impact the system's performance. Testing the cruise control module is also important, as it must accurately send and receive signals for the system to function properly. Lastly, ensure that all wiring connections related to the cruise control system are secure and free from corrosion. By systematically following these steps, you can effectively diagnose and resolve the issues affecting the cruise control system in your Acura TSX.

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

When dealing with cruise control issues in a 2012 Acura TSX, it's essential to understand the common problems that may arise. One frequent culprit is a faulty cruise control switch, which can hinder the system's ability to engage or disengage as intended. Additionally, a blown fuse within the cruise control circuit can disrupt functionality, making it a straightforward fix for DIYers. Another critical component to check is the speed sensor; if it malfunctions, it can prevent the cruise control from maintaining the desired speed. Furthermore, vacuum leaks in the engine can compromise the system's performance, as they affect the ability to sustain a constant speed. Lastly, a malfunctioning brake light switch can cause the cruise control to disengage unexpectedly when the brakes are applied, leading to potential safety concerns. By systematically examining these areas, you can effectively diagnose and resolve cruise control issues in your Acura TSX.

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

When considering the urgency of fixing a non-functioning cruise control in a 2012 Acura TSX, it's essential to recognize that while this issue may not pose an immediate safety risk like malfunctioning brakes or steering, it should not be overlooked. A malfunctioning cruise control can indicate deeper problems within the vehicle's electronic systems or sensors, which could lead to more significant issues if left unaddressed. Moreover, timely repairs can prevent further damage and potentially save on costly repairs down the line. For DIY enthusiasts, understanding the importance of addressing this issue promptly can enhance the overall safety and performance of the vehicle, ensuring that all systems function harmoniously. Therefore, while the urgency may not be as high as other critical components, taking action sooner rather than later is advisable to maintain the vehicle's integrity and reliability.

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