2012 Acura RL Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Acura RL and How to Fix Them

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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 2012 Acura RL 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 RL 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2012 Acura RL?

When troubleshooting the non-functioning cruise control in a 2012 Acura RL, it's important to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's operation. Next, inspect the cruise control switch located on the steering wheel for any signs of wear or damage, as this component is crucial for activating the system. Additionally, ensure that the brake lights are functioning properly; a faulty brake light switch can inadvertently disable the cruise control. It's also essential to examine the vehicle speed sensor, which provides critical data for the cruise control system to operate effectively. Finally, using a diagnostic scanner to check for any stored error codes can reveal underlying issues that may not be immediately visible. By following these steps, you can effectively diagnose and address the problems affecting your cruise control system, making your DIY repair efforts more successful.

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

When the cruise control in a 2012 Acura RL ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first areas to check is the cruise control switch, as a faulty switch can prevent the system from engaging or disengaging properly. Additionally, a blown fuse in the cruise control circuit can disrupt its operation, so inspecting the fuses is a crucial step. Speed sensor issues are another frequent culprit; if the speed sensor is malfunctioning, it can hinder the cruise control's ability to maintain a set speed. Furthermore, a malfunctioning brake light switch can cause the cruise control to disengage unexpectedly when the brakes are applied, which is essential to check for safety reasons. Other potential issues include vacuum leaks in the engine that can affect performance, problems with the throttle cable that may impede operation, and even failures in the electronic control module (ECM) that oversees various vehicle functions, including cruise control. By systematically examining these areas, you can identify and address the underlying issues, potentially restoring the functionality of your cruise control system.

How urgent is it to address the malfunctioning cruise control in my 2012 Acura RL?

Addressing the malfunctioning cruise control in your 2012 Acura RL is of utmost importance due to the safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can be dangerous while driving, especially on highways. Additionally, a malfunctioning cruise control can create discomfort during long trips, making it difficult to maintain a consistent speed and enjoy a smooth driving experience. Ignoring these symptoms not only compromises your safety but can also lead to increased fuel consumption, as the vehicle struggles to maintain a steady pace. Furthermore, delaying repairs may result in more extensive damage to the vehicle's systems, leading to costly repairs down the line. Therefore, it is crucial to address any issues with your cruise control promptly to ensure your safety, enhance your driving comfort, and prevent further complications.

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