2008 INFINITI EX35 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 INFINITI EX35 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 EX35 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 EX35 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-functioning cruise control in a 2008 INFINITI EX35?

When troubleshooting the non-functioning cruise control in a 2008 INFINITI EX35, start with the simplest checks to avoid unnecessary complexity. Begin by inspecting the cruise control fuse in the fuse box; a blown fuse can easily disrupt the system's functionality. Next, test the cruise control switch located on the steering wheel to ensure it is operational, as a faulty switch can prevent activation. It's also essential to examine the brake pedal switch, which should not be stuck or malfunctioning, since the cruise control disengages when the brake is applied. Additionally, verify the vehicle speed sensor, as it is critical for the cruise control system to function correctly. Finally, if the issue persists, consider using a diagnostic scanner to check for any error codes that may indicate deeper problems within the system. By following these steps, you can systematically identify and address the root cause of the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2008 INFINITI EX35?

When dealing with cruise control issues in a 2008 INFINITI EX35, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Additionally, speed sensor issues can disrupt the cruise control's functionality, as the system relies on accurate speed readings to maintain the desired speed. Another potential problem is a blown fuse within the cruise control system; checking and replacing any blown fuses can often restore functionality. Furthermore, vacuum leaks in the engine can interfere with the cruise control operation, so identifying and repairing these leaks is vital. Lastly, a malfunctioning cruise control module may require replacement to resolve the issue. By understanding these common problems, DIYers can effectively diagnose and address the cruise control issues in their INFINITI EX35, potentially saving time and money on repairs.

How urgent is it to address the malfunctioning cruise control in my 2008 INFINITI EX35?

Addressing the malfunctioning cruise control in your 2008 INFINITI EX35 is crucial for several reasons. First and foremost, a malfunctioning system can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. This safety concern should not be taken lightly, as it can endanger not only your life but also the lives of other drivers and passengers. Additionally, a faulty cruise control can make long drives uncomfortable and stressful, detracting from the overall driving experience. Beyond immediate safety and comfort, neglecting this issue can lead to increased fuel consumption due to inconsistent speed control, which can add unnecessary costs to your driving expenses. Furthermore, delaying repairs may result in more extensive damage to your vehicle's systems, leading to costly repairs down the line. Therefore, it is imperative to address any cruise control malfunctions promptly to ensure your safety, enhance your driving experience, and prevent further complications.

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