2012 Scion XB Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2012 Scion xB

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Reviewed by
Aisha
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 Scion xB 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 Scion xB 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2012 Scion xB?

When troubleshooting the non-functional cruise control in a 2012 Scion xB, it's essential to adopt a systematic diagnostic approach that begins with the simplest checks before progressing to more complex assessments. Start by inspecting the cruise control fuse located in the vehicle's fuse box; a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are operational and not stuck, as this can prevent engagement. It's also crucial to verify that the brake lights are functioning correctly, since malfunctioning brake lights can inadvertently disable the cruise control. Utilizing a diagnostic scanner to check for any error codes can provide valuable insights into specific issues affecting the system. Additionally, inspect the vehicle speed sensor, as a faulty sensor may hinder the cruise control from activating. Thoroughly examine the wiring and connections associated with the cruise control system for any signs of damage or corrosion, which could lead to connectivity issues. Finally, test the cruise control module to confirm it is receiving power and sending signals appropriately. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Scion xB.

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

When the cruise control in a 2012 Scion xB ceases to function, it is essential to consider several common issues that may be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging properly. Additionally, a blown fuse within the cruise control circuit can disrupt its operation, making it imperative to check the vehicle's fuse box for any damaged fuses. Another potential issue is a defective speed sensor, which is responsible for relaying the vehicle's speed to the cruise control system; if this sensor fails, the system may struggle to maintain a set speed. Problems with the throttle, such as a stuck throttle or issues with the throttle position sensor, can also hinder cruise control functionality. Lastly, any electrical problems, including wiring issues or a malfunctioning control module, can lead to the cruise control not working as intended. By systematically addressing these common problems, DIYers can effectively diagnose and resolve cruise control issues in their Scion xB.

How urgent is it to address the malfunctioning cruise control in a 2012 Scion xB?

When it comes to a malfunctioning cruise control system in your 2012 Scion xB, urgency is key. Ignoring this issue can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. The unpredictability of a faulty cruise control can increase the risk of accidents, making it crucial to address the problem as soon as possible. Additionally, delaying repairs may result in further damage to the vehicle's systems, leading to more extensive and costly repairs down the line. To ensure your safety and the longevity of your vehicle, it is advisable to have the cruise control system inspected and repaired by a qualified mechanic or dealership without delay. Taking prompt action not only safeguards your driving experience but also helps maintain the overall health of your vehicle.

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