Jeep Gladiator Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Jeep Gladiator and How to Fix Them

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Reviewed by
Devin Cabugcal
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 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 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.

Troubleshooting Cruise Control Issues in a Jeep Gladiator

When troubleshooting cruise control issues in your Jeep Gladiator, it's essential to adopt a systematic diagnostic approach. Begin by checking the simplest components first, such as the control module, sensors, and switches. Look for any visible signs of damage or wear, as these can often be the culprits behind malfunctioning cruise control. Next, inspect the throttle actuation to ensure it operates smoothly; any restrictions here can hinder the cruise control's performance. Following this, verify the condition of the fuses associated with the cruise control system and confirm that your brake lights are functioning correctly, as a blown fuse or faulty brake switch can disrupt the system. If you notice a check engine light or any engine-related issues, prioritize diagnosing these problems, as they can significantly impact cruise control functionality. By methodically addressing these potential issues, you can effectively narrow down the cause of the problem and restore your Jeep Gladiator's cruise control system to optimal working condition. If these steps do not yield results, seeking professional assistance may be necessary for a more thorough diagnosis.

What Could Cause Cruise Control Issues in a Jeep Gladiator?

When troubleshooting cruise control issues in a Jeep Gladiator, it's essential to understand the common problems that may arise within the system. A failed control module, sensor, or switch can often be the culprit behind malfunctioning cruise control. Additionally, throttle actuation problems, particularly those stemming from a faulty throttle position sensor, can lead to erratic fuel delivery, which may manifest as black exhaust. If you encounter an OBDII code P0570, it typically indicates a Cruise Control Accel Signal Malfunction, which could be due to a faulty brake switch, damaged wiring, or issues with the vehicle's ECM. It's also crucial to check for blown fuses, as these can disrupt the power supply to the cruise control system. Ensuring that the brake pedal sensor is functioning correctly is vital, as it directly impacts the engagement of cruise control. Other potential issues include a defective brake pedal switch, problems with the throttle control system, ABS-related complications, or even a broken vacuum line in older systems. By systematically addressing these factors, you can effectively diagnose and resolve cruise control malfunctions in your Jeep Gladiator.

Why is the Cruise Control Not Working in a Jeep Gladiator?

When the cruise control in your Jeep Gladiator malfunctions, it’s crucial to address the issue without delay. Ignoring symptoms such as unresponsive controls or erratic behavior can lead to more significant problems, including compromised safety while driving. A failed control module, sensor, or switch can disrupt the cruise control system, making it unreliable and potentially dangerous on the road. Additionally, a defective brake light switch or throttle actuation problems can not only hinder the cruise control's functionality but also affect your vehicle's overall performance. If left unresolved, these issues may escalate, leading to costly repairs or even accidents due to unexpected vehicle behavior. Therefore, it’s essential to diagnose the root cause of the malfunction promptly, whether it’s a blown fuse, a faulty actuator, or a simple connection issue. Taking swift action not only restores your cruise control but also ensures a safer driving experience in your Jeep Gladiator.

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