2007 Pontiac G5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Pontiac G5 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2007 Pontiac G5 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 2007 Pontiac G5 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.

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-functional cruise control in a 2007 Pontiac G5?

When troubleshooting the non-functional cruise control in a 2007 Pontiac G5, it's essential to adopt a systematic diagnostic approach that begins with the simplest potential issues before progressing to more complex ones. Start by checking the fuses associated with the cruise control system, as a blown fuse can often be the culprit behind electrical malfunctions. Next, assess the condition of the brake pedal and throttle body, since any irregularities here can interfere with cruise control functionality. It's also crucial to inspect the vehicle speed sensor and its circuit, as these components play a vital role in the system's operation. If the check engine light is illuminated, utilizing an OBD2 scan tool can help pinpoint specific issues that may be affecting the cruise control. Finally, keep an eye out for any electrical problems or faulty components that could be contributing to the malfunction. By following this structured approach, you can effectively identify and address the underlying causes of the cruise control issue in your Pontiac G5.

What are the common problems that could cause the cruise control to stop working in a 2007 Pontiac G5?

When dealing with a malfunctioning cruise control system in a 2007 Pontiac G5, it's essential to understand the common problems that could be at play. One of the first areas to check is the brake pedal switch, as a faulty switch can prevent the cruise control from engaging, since it is designed to deactivate when the brake is pressed. Additionally, the speed sensor plays a crucial role in maintaining a constant speed; if it is defective, the cruise control may fail to function properly. Another potential issue is a blown fuse, which can completely disable the cruise control system. It's also important to inspect for vacuum leaks in the engine, as these can disrupt the performance of the cruise control, leading to unexpected disengagement. Lastly, a malfunctioning cruise control module could be the root cause of the problem. By systematically examining these components, DIYers can effectively troubleshoot and potentially restore the cruise control functionality in their Pontiac G5.

How urgent is it to address the malfunctioning cruise control in a 2007 Pontiac G5?

When it comes to the malfunctioning cruise control in a 2007 Pontiac G5, the urgency of addressing this issue cannot be overstated. While it may not seem like an immediate emergency, neglecting the problem can lead to significant safety risks and inconvenience during long drives. A malfunctioning cruise control system can prevent the driver from maintaining a steady speed, which is particularly problematic on highways where consistent speed is crucial for safe driving. Moreover, the underlying causes of cruise control failure, such as faulty brake lights, engine issues, or problems with the vehicle's control module, can escalate if left unaddressed. This not only compromises safety but can also lead to more extensive and costly repairs down the line. Regular maintenance and prompt attention to such issues are essential to ensure the overall functionality of your vehicle, making it imperative to address cruise control malfunctions as soon as they arise.

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