2020 Toyota 86 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Toyota 86 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 2020 Toyota 86 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 2020 Toyota 86 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 are the steps to diagnose the cruise control issue in a 2020 Toyota 86?

To effectively diagnose a cruise control issue in a 2020 Toyota 86, it's essential to adopt a systematic approach that begins with the simplest potential problems before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel for any signs of sticking or malfunction, as these can prevent the system from engaging properly. Utilizing an OBD-II scanner to check for error codes is a crucial step, as these codes can provide insights into specific issues affecting the cruise control system. Following this, verify the functionality of the vehicle's speed sensors, which are vital for the cruise control to operate correctly. Additionally, examine the wiring connections associated with the cruise control system for any damage or loose connections that could hinder performance. Finally, test the cruise control module to ensure it is receiving power and functioning as intended. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control issue in your Toyota 86.

What are the common problems that could cause the cruise control to stop working in a 2020 Toyota 86?

When the cruise control in your 2020 Toyota 86 ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty cruise control switch, which may prevent the system from engaging or disengaging as intended. Additionally, a blown fuse within the cruise control circuit can disrupt its operation, so checking the fuses is a good first step. Another potential issue lies with the speed sensor; if it malfunctions, it can lead to inaccurate speed readings, causing the cruise control to fail. Furthermore, a malfunctioning brake light switch can inadvertently disengage the cruise control when the brakes are applied, creating an unexpected driving experience. Lastly, problems with the throttle actuator, which controls the engine's throttle response, can also hinder the cruise control's performance. By systematically examining these components, you can identify the root cause of the cruise control issue and take the necessary steps to restore its functionality.

How urgent is it to address the malfunctioning cruise control in my 2020 Toyota 86?

When it comes to your 2020 Toyota 86, addressing a malfunctioning cruise control system is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunctioning cruise control can lead to unexpected acceleration or deceleration, which significantly increases the risk of accidents on the road. Moreover, this issue can adversely affect your vehicle's fuel efficiency, making long drives or highway commutes less economical and more frustrating. Ignoring these symptoms can also lead to further complications, resulting in additional wear and tear on other components of your vehicle, which may culminate in costly repairs down the line. By promptly addressing the cruise control malfunction, you not only enhance your driving experience but also help maintain the resale value and longevity of your Toyota 86. Therefore, it is essential to prioritize this issue to ensure both your safety and the optimal performance of your vehicle.

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2020 Toyota 86 Cruise Control Issues & Repair Costs