2016 Acura MDX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Acura MDX 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 2016 Acura MDX 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 2016 Acura MDX 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 steps should I take to diagnose the non-functioning cruise control in my 2016 Acura MDX?

To effectively diagnose the non-functioning cruise control in your 2016 Acura MDX, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can restore functionality. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the operation of the speed sensor, as a malfunction here can disrupt the cruise control's performance. It's also essential to check the brake pedal switch, which must function correctly to allow the cruise control to operate. If these initial checks do not resolve the issue, use an OBD-II scanner to identify any error codes that may indicate deeper problems. Additionally, inspect the vacuum lines connected to the cruise control actuator for leaks or damage, as these can significantly impact system performance. If you still cannot diagnose the problem after these steps, consulting a mechanic or dealership is advisable for professional assistance. By following this structured diagnostic approach, you can efficiently 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 2016 Acura MDX?

When dealing with a malfunctioning cruise control system in a 2016 Acura MDX, it's essential to consider several common problems that could be at play. One of the first things to check is the fuse associated with the cruise control system; a blown fuse can easily disrupt its functionality. Additionally, the brake pedal switch is another critical component that may fail, as it signals the cruise control system to disengage when the brakes are applied. If this switch is defective, it can prevent the cruise control from operating correctly. Furthermore, issues with the throttle, such as a stuck or malfunctioning throttle body, can also lead to cruise control failure. For those with adaptive cruise control, be aware that control system failures and problems with lane departure features can further complicate the situation. By systematically checking these components, DIYers can often identify and resolve the underlying issues affecting their vehicle's cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2016 Acura MDX?

When it comes to a malfunctioning cruise control system in a 2016 Acura MDX, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only endangers the driver and passengers but also poses risks to other road users. Moreover, delaying repairs can exacerbate the problem, potentially leading to increased fuel consumption and further damage to the vehicle's components. By prioritizing the diagnosis and repair of the cruise control system, you not only enhance your driving experience but also safeguard against more serious mechanical or electrical issues that could arise from neglect. Therefore, if you notice any irregularities with your cruise control, it is crucial to take action promptly to ensure both your safety and the longevity of your vehicle.

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2016 Acura MDX Cruise Control Not Working: Causes & Repairs