2008 INFINITI G37 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 INFINITI G37 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 2008 INFINITI G37 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 2008 INFINITI G37 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.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2008 INFINITI G37?

When faced with a non-functional cruise control in your 2008 INFINITI G37, start by checking the cruise control fuse located in the fuse box; a blown fuse can often be the simplest fix. Next, examine the cruise control switch on the steering wheel to ensure it is operational and free from damage, as a malfunctioning switch can prevent engagement. It's also crucial to inspect the brake pedal switch, since a faulty switch can interrupt the cruise control system's functionality. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control. Lastly, verify that the vehicle speed sensor is working correctly, as it is essential for the cruise control system to function properly. By systematically following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2008 INFINITI G37?

When dealing with cruise control issues in a 2008 INFINITI G37, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake pedal switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake is pressed. Additionally, problems with the speed sensor can disrupt the system's ability to maintain speed, as it relies on accurate readings to function correctly. A blown fuse in the cruise control circuit can also lead to a complete failure of the system, necessitating a simple fuse replacement. If these components check out, the cruise control module itself may be at fault, requiring repair or replacement. Lastly, issues with the throttle actuator can hinder the system's performance, making it crucial to inspect this part as well. By systematically addressing these potential issues, DIYers can effectively diagnose and restore the cruise control functionality in their vehicle.

How urgent is it to address the malfunctioning cruise control in a 2008 INFINITI G37?

When it comes to a malfunctioning cruise control system in a 2008 INFINITI G37, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to unpredictable acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only compromises the driver's ability to maintain a steady speed but also affects overall vehicle control, increasing the risk of accidents. Moreover, delaying repairs can exacerbate the problem, potentially leading to more severe mechanical failures and costly repairs down the line. Ignoring these symptoms may also result in higher fuel consumption, further impacting your vehicle's efficiency. For those considering a DIY approach, it is crucial to recognize that timely diagnosis and repair are essential not just for safety but also for preserving the vehicle's performance and longevity. Therefore, if you notice any signs of cruise control malfunction, it is advisable to act quickly and seek professional assistance to ensure safe driving conditions.

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