2006 Pontiac GTO Cruise Control Isn't Working

Diagnosing Common Issues with the Cruise Control System in Your 2006 Pontiac GTO 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 2006 Pontiac GTO 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 2006 Pontiac GTO 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2006 Pontiac GTO?

When faced with a non-functional cruise control in your 2006 Pontiac GTO, start by checking the fuse associated with the cruise control system. A blown fuse can often be the simplest explanation for the malfunction. Next, inspect the cruise control switch located on the steering wheel; ensure it is operational and not stuck or damaged. It's also crucial to verify that your brake lights are functioning correctly, as a faulty brake light switch can disrupt the cruise control's operation. Additionally, examine the throttle cable and linkage for any obstructions or wear that might hinder performance. Finally, consider scanning your vehicle's onboard computer for error codes that could provide insights into any underlying issues. By systematically following these steps, you can effectively diagnose and potentially resolve the cruise control problem in your Pontiac GTO.

What are the common problems that could cause the cruise control to stop working in a 2006 Pontiac GTO?

When troubleshooting the cruise control system in a 2006 Pontiac GTO, it's essential to understand the common problems that could lead to its failure. One of the primary culprits is a malfunctioning control module, sensor, or switch, which can disrupt the system's functionality. Additionally, throttle actuation issues may prevent the cruise control from engaging properly, while problems with the vacuum actuator or damaged vacuum hoses can also impede its operation. It's important to inspect the cable that connects the actuator to other components, as a faulty cable can result in a complete failure of the cruise control system. Furthermore, a blown fuse or a defective brake pedal switch are frequent issues that can cause the cruise control to stop working altogether. By systematically checking these components, you can effectively diagnose and repair the cruise control problem in your Pontiac GTO, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2006 Pontiac GTO?

When it comes to the non-functioning cruise control in a 2006 Pontiac GTO, addressing the problem should not be overlooked, even if it may not seem as urgent as other mechanical failures. While the immediate safety risks may not be as pronounced as those associated with brake or engine malfunctions, a malfunctioning cruise control can significantly detract from your driving experience, especially on long trips where comfort is paramount. Ignoring this issue could lead to increased driver fatigue and frustration, as you may find yourself constantly adjusting your speed. Moreover, a faulty cruise control system might be indicative of deeper electrical problems within the vehicle, which could escalate if left unaddressed. Therefore, it is advisable to have the system inspected and repaired by a qualified mechanic promptly, ensuring that your driving remains both enjoyable and safe.

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