2018 Toyota Camry Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Toyota Camry 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2018 Toyota Camry 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 2018 Toyota Camry 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 steps to diagnose the cruise control issue in a 2018 Toyota Camry?

To effectively diagnose a cruise control issue in your 2018 Toyota Camry, begin with the simplest solutions. Start by checking the cruise control fuse to ensure it is intact, as a blown fuse can easily disrupt the system. Next, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these controls are essential for operation. If these initial checks do not reveal the problem, use an OBD-II scanner to identify any error codes that may indicate specific issues within the cruise control system. Following this, examine the speed sensors, which are critical for the cruise control's functionality, and ensure they are operating correctly. Additionally, test the brake pedal switch, as this component is vital for disengaging cruise control when the brakes are applied. Lastly, inspect the wiring connections associated with the cruise control system for any loose or damaged wires that could be causing the malfunction. If you have completed these steps and the issue persists, it may be time to consult a professional mechanic for further assistance. By following this structured diagnostic approach, you can efficiently identify and potentially resolve cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2018 Toyota Camry?

When the cruise control in your 2018 Toyota Camry ceases to function, it can be frustrating, but understanding the common problems can guide you in troubleshooting the issue. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, it may prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a constant speed, leading to erratic behavior or complete failure. A blown fuse is another simple yet often overlooked problem that can disable the cruise control system entirely. Furthermore, if the cruise control module itself is faulty, it may fail to communicate effectively with other vehicle systems, resulting in a non-responsive cruise control. Lastly, a malfunctioning throttle actuator can hinder the system's ability to control engine speed, further complicating the issue. By identifying these potential problems, you can take the necessary steps to diagnose and resolve the cruise control issues in your Camry, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2018 Toyota Camry?

When it comes to a malfunctioning cruise control system in a 2018 Toyota Camry, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. For DIY enthusiasts, it’s crucial to recognize that neglecting these symptoms not only increases the risk of accidents but can also result in more extensive damage to the vehicle’s systems, leading to costly repairs down the line. Therefore, if you notice any irregularities with your cruise control, it is advisable to conduct a thorough inspection or consult a qualified mechanic. Taking prompt action ensures not only your safety but also the longevity of your vehicle, making it essential to prioritize repairs and maintenance of this critical feature.

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