2006 Acura RSX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Acura RSX and How to Fix Them

Find Repair Location
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 2006 Acura RSX 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 2006 Acura RSX 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.

If the cruise control refuses to turn on at all, the actuator could be at fault. Likewise, if the cruise control stays on but does not maintain a consistent speed, the problem could be a bad actuator. In extreme cases, a malfunctioning actuator could cause the throttle to stick and prevent the vehicle from slowing down. These symptoms may point to a bad actuator. They may also point to other problems with the cruise control and related systems.

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 initial steps to diagnose the non-functioning cruise control in a 2006 Acura RSX?

To effectively diagnose the non-functioning cruise control in your 2006 Acura RSX, begin with a methodical approach that focuses on the most accessible components. Start by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily rectifiable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can prevent the system from engaging. Following this, verify the speed sensor's functionality, as it is integral to the cruise control system's operation. Utilizing an OBD-II scanner can help you identify any error codes that may indicate specific problems within the system. Additionally, examine the vacuum lines connected to the cruise control actuator for any leaks or damage, as these can significantly impact performance. Finally, ensure that all wiring connections related to the cruise control system are secure and free from corrosion, as loose or damaged connections can disrupt functionality. By following these steps, you can systematically identify and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2006 Acura RSX?

When troubleshooting the cruise control system in a 2006 Acura RSX, it's essential to consider several common problems that may be at play. One of the first areas to check is the cruise control switch, as a malfunction here can prevent the system from engaging or disengaging properly. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to function, so inspecting the fuses is a crucial step. Another potential issue is vacuum leaks within the engine, which can hinder the system's ability to maintain a consistent speed. The speed sensor also plays a vital role; if it's defective, it may provide inaccurate speed readings, leading to cruise control malfunctions. Furthermore, the brake light switch should be examined, as a faulty switch can prevent the cruise control from activating, given that the system is designed to disengage when brakes are applied. Lastly, issues with the throttle cable, such as fraying or stretching, can significantly impact the cruise control's performance. By systematically checking these components, DIYers can effectively diagnose and address the issues affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2006 Acura RSX?

While a non-functioning cruise control in a 2006 Acura RSX may not present an immediate safety hazard, it is crucial to address the issue without delay. Ignoring this problem can lead to more significant complications down the line, potentially affecting other vehicle systems and overall performance. The convenience of cruise control, especially during long drives, cannot be overstated, as it enhances driving comfort and reduces fatigue. By postponing repairs, you risk not only the inconvenience of a malfunctioning feature but also the possibility of incurring higher repair costs if the underlying issue worsens. Therefore, while the urgency may not be as pronounced as with critical safety components, timely attention to the cruise control system is advisable to maintain the vehicle's functionality and value.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.