2002 Acura RSX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2002 Acura RSX and How to Fix Them

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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 2002 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 2002 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 steps to diagnose the cruise control issue in a 2002 Acura RSX?

To effectively diagnose a cruise control issue in your 2002 Acura RSX, begin with the simplest solutions before progressing to more intricate checks. Start by inspecting the cruise control fuse; a blown fuse can often be the root of the problem. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent the system from engaging. Following this, check the speed sensors, which are vital for the cruise control's functionality. Utilizing an OBD-II scanner can help you identify any error codes that may indicate specific issues within the system. Additionally, inspect the vacuum lines for any leaks or damage, as these can disrupt the cruise control operation. It’s also important to test the brake and clutch switches, as malfunctioning switches can inadvertently disable the cruise control. Lastly, ensure that all wiring connections related to the cruise control system are secure and free from corrosion. If these steps do not resolve the issue, consulting a mechanic with experience in Acura vehicles may be necessary for a thorough diagnosis and repair. By following this structured approach, you can efficiently troubleshoot and potentially fix cruise control problems in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2002 Acura RSX?

When troubleshooting cruise control issues in a 2002 Acura RSX, it's essential to consider several common problems that could 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 in the cruise control circuit can lead to complete system failure, so inspecting the fuses is a crucial step. Another potential culprit is vacuum leaks, which can disrupt the system's operation by affecting the pressure needed for proper functionality. The speed sensor also plays a vital role; if it's defective, it can provide inaccurate speed readings, causing the cruise control to malfunction. Furthermore, the brake light switch should be examined, as a faulty switch can prevent the cruise control from engaging, given that the system is designed to disengage when the brake pedal is pressed. Lastly, issues with the throttle cable, such as fraying or stretching, can hinder the cruise control's ability to maintain a steady speed. By systematically checking these components, you can effectively diagnose and resolve the cruise control problems in your Acura RSX.

How urgent is it to address the malfunctioning cruise control in a 2002 Acura RSX to ensure safety and prevent further damage?

Addressing a malfunctioning cruise control in a 2002 Acura RSX is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When cruise control fails, it can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms can result in more than just a dangerous driving experience; it can also lead to extensive damage to the vehicle's components, ultimately resulting in costly repairs. Regular maintenance and prompt repairs are essential to ensure the vehicle operates safely and efficiently. Therefore, if you notice any issues with your cruise control, it is imperative to address them without delay to protect both your safety and the integrity of your vehicle.

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