2009 Acura TL Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2009 Acura TL 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 2009 Acura TL 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 2009 Acura TL 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 2009 Acura TL?

When diagnosing a cruise control issue in a 2009 Acura TL, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse to ensure it is intact, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent proper engagement. Once these initial checks are complete, test the cruise control while driving to see if it activates and maintains speed; if it fails to engage, this indicates a deeper issue. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into specific malfunctions within the system. Additionally, inspect the cruise control module for any visible damage or loose connections, as these can affect performance. The vehicle speed sensor is another critical component to assess, as it directly influences the cruise control's ability to detect and maintain speed. If these steps do not resolve the issue, consulting a professional mechanic with experience in Acura vehicles is advisable for a thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address cruise control problems in your Acura TL.

What are the common problems that could cause the cruise control to stop working in a 2009 Acura TL?

When dealing with a malfunctioning cruise control system in a 2009 Acura TL, it's crucial to understand the common problems that may be at play. One of the first areas to check is the cruise control switch, as a faulty switch can hinder the system's ability to engage or disengage. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to function, making it a simple yet often overlooked issue. The speed sensor is another critical component; if it is defective, the cruise control may struggle to maintain a consistent speed. Furthermore, vacuum leaks within the system can significantly impact performance, leading to erratic behavior or complete failure. It's also important to inspect the brake light switch, as any issues here can prevent the cruise control from activating altogether. Lastly, a malfunctioning throttle cable can interfere with the system's operation, making it essential to ensure that all components are in good working order. By systematically checking these areas, DIYers can effectively diagnose and potentially resolve the cruise control issues in their Acura TL.

How urgent is it to address the non-functioning cruise control in a 2009 Acura TL?

Addressing the non-functioning cruise control in a 2009 Acura TL is an urgent matter that should not be overlooked. The safety implications of a malfunctioning cruise control system are significant; it can lead to erratic speed control, increasing the risk of accidents on the road. Moreover, the absence of this feature can detract from the overall driving experience, particularly during long trips where maintaining a steady speed is crucial for comfort. Additionally, neglecting this issue can adversely affect the vehicle's resale value, as potential buyers often look for fully functional features. Therefore, it is essential to prioritize the repair of the cruise control system to ensure safe driving, enhance comfort, and protect the investment in your vehicle.

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