2021 Jeep Gladiator Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2021 Jeep Gladiator 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 2021 Jeep Gladiator 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 Jeep Gladiator 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 cruise control issue in my 2021 Jeep Gladiator?

When diagnosing the cruise control issue in your 2021 Jeep Gladiator, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining 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 to ensure they are operational, since faulty buttons can lead to malfunctions. Following this, verify the speed sensor's performance, as it is integral to the cruise control system's operation. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. If your vehicle employs a vacuum-based cruise control system, inspect the vacuum lines for leaks or damage that could hinder performance. Additionally, examine the wiring connections associated with the cruise control system for any loose or damaged wires. If these initial checks do not resolve the issue, consulting a professional mechanic or dealership may be necessary for a more thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address the cruise control problem in your Jeep Gladiator.

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

When troubleshooting cruise control issues in a 2021 Jeep Gladiator, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. A blown fuse in the cruise control circuit can also halt its operation entirely, while problems with the throttle control system may further complicate functionality. Lastly, any underlying electrical issues, such as wiring faults or poor connections, can significantly impact the cruise control system. By identifying and addressing these potential problems, you can effectively troubleshoot and restore the cruise control functionality in your Jeep Gladiator.

How urgent is it to address the malfunctioning cruise control in my 2021 Jeep Gladiator?

Addressing a malfunctioning cruise control in your 2021 Jeep Gladiator is crucial for maintaining both safety and vehicle efficiency. A malfunction can lead to unexpected acceleration or deceleration, which poses a significant risk while driving. This unpredictability can distract the driver, leading to fatigue as they constantly adjust their speed manually. Moreover, neglecting this issue can result in increased fuel consumption due to inconsistent speed control, ultimately affecting your wallet. Additionally, delaying repairs may cause further damage to the vehicle's systems, leading to more extensive and costly repairs down the line. Therefore, it is essential to prioritize fixing your cruise control to ensure a safe and smooth driving experience.

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