2021 Chrysler Pacifica Cruise Control Isn't Working

Fixing cruise control issues in the 2021 Chrysler Pacifica

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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 2021 Chrysler Pacifica 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 2021 Chrysler Pacifica 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2021 Chrysler Pacifica?

When faced with a non-functioning cruise control in a 2021 Chrysler Pacifica, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown fuse is a common and easily fixable issue that can disrupt the system. Next, verify that the cruise control settings are correctly configured according to the owner's manual, as incorrect settings can prevent engagement. Inspect the cruise control buttons on the steering wheel for any signs of malfunction, as faulty buttons may hinder operation. If these initial checks do not resolve the issue, utilize a diagnostic scanner to scan for error codes that could indicate specific problems within the cruise control system. Finally, examine the vehicle speed sensor, as a malfunction here can significantly impact the cruise control's ability to maintain speed. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control issue in your Chrysler Pacifica.

What are the common problems that could cause the cruise control to stop working in a 2021 Chrysler Pacifica?

When the cruise control in your 2021 Chrysler Pacifica 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 brake light switch, which is crucial for the cruise control system as it disengages the cruise when the brake pedal is pressed. If this switch malfunctions, it may prevent the cruise control from engaging at all. Another potential issue could be related to the speed sensor; if this component fails, the vehicle may struggle to maintain a constant speed, leading to cruise control failure. Additionally, a blown fuse in the cruise control circuit can disrupt its operation, making it essential to check and replace any damaged fuses. Problems with the throttle control system can also hinder cruise control functionality, as an improper throttle response can prevent the system from maintaining speed. Lastly, issues with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can lead to operational failures. By systematically checking these components, you can identify and resolve the issues affecting your cruise control system, allowing for a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2021 Chrysler Pacifica?

When it comes to a malfunctioning cruise control system in your 2021 Chrysler Pacifica, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. This unpredictability not only endangers your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the vehicle's components, which could result in costly repairs down the line. Therefore, it is crucial to prioritize the diagnosis and repair of the cruise control system. Consulting with a certified mechanic or an authorized service center ensures that the issue is addressed correctly and efficiently, restoring your vehicle's functionality and safety. Taking prompt action not only safeguards your well-being but also helps maintain the overall performance of your Chrysler Pacifica.

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