2012 Acura RDX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Acura RDX 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 RDX 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 RDX 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.

What are the steps to diagnose the cruise control issue in a 2012 Acura RDX?

When diagnosing a cruise control issue in a 2012 Acura RDX, it's crucial to follow a structured diagnostic approach that prioritizes simpler solutions before delving into more complex ones. Begin by utilizing an OBD-II scanner to retrieve any error codes that may provide insight into the specific malfunction within the cruise control system. Next, check the fuses associated with the cruise control; a blown fuse is a common and easily fixable issue that could be causing the problem. After that, inspect the signals being sent to both the controller and the actuator, as any irregularities in these signals can disrupt the system's functionality. Additionally, keep an eye out for warning lights on the dashboard, such as the Check Engine Light (CEL) or Anti-lock Braking System (ABS) indicators, as these may point to underlying issues with the ABS module that could also impact cruise control performance. If these initial steps do not yield results or if you encounter more complex issues, seeking assistance from a qualified mechanic or an Acura dealership is recommended to ensure a thorough diagnosis and prevent further complications. This systematic approach will help you effectively pinpoint and resolve the cruise control issue in your Acura RDX.

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

When troubleshooting cruise control issues in a 2012 Acura RDX, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. Another potential issue is a blown fuse within the cruise control system, which can easily be checked and replaced to restore functionality. Furthermore, the throttle actuator, responsible for controlling engine speed, may also malfunction, hindering the cruise control's performance. Lastly, problems with the Electronic Control Module (ECM) can affect various vehicle functions, including cruise control, and may require diagnostic testing to identify and resolve. By systematically addressing these common issues, you can effectively troubleshoot and potentially fix the cruise control problems in your Acura RDX.

How urgent is it to repair the non-functioning cruise control on a 2012 Acura RDX?

Addressing the non-functioning cruise control on your 2012 Acura RDX is not just a matter of convenience; it is a critical safety concern that should be prioritized. A malfunctioning cruise control system can lead to dangerous situations, such as the inability to cancel the cruise control when necessary, which could result in loss of vehicle control. Additionally, if the cruise control fails to engage properly, it may be indicative of underlying issues like a stuck brake pedal, which poses further safety risks. Common culprits behind cruise control malfunctions, such as blown fuses or faulty brake switches, can significantly impact the system's performance and reliability. Moreover, if your vehicle displays an OBD C1183 error code related to the adaptive cruise control sensor, it is essential to troubleshoot this promptly to avoid further complications. Given these factors, it is crucial to address any cruise control issues without delay to ensure both your safety and the optimal functioning of your vehicle.

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2012 Acura RDX Cruise Control Issues & Repair Costs