2008 INFINITI M35 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 INFINITI M35 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 M35 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 M35 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 steps to diagnose the cruise control issue in a 2008 INFINITI M35?

When diagnosing a cruise control issue in a 2008 INFINITI M35, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, verify that the cruise control buttons on the steering wheel are operational and not stuck, as this can prevent engagement. Following this, check the speed sensors, which are essential for the cruise control system; any malfunction here can lead to significant issues. Utilizing a diagnostic scanner to identify any error codes can provide valuable insights into specific problems affecting the cruise control. Additionally, inspect the vacuum lines for leaks, as these are vital for the system's operation. Testing the cruise control module is also important, as a faulty module can hinder performance. Finally, ensure that all wiring connections are secure and undamaged, as loose or damaged wires can disrupt the signals necessary for the cruise control to function properly. By adhering to this structured diagnostic approach, you can effectively identify and resolve the underlying issues with the cruise control system in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2008 INFINITI M35?

When troubleshooting the cruise control system in a 2008 INFINITI M35, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, a defective speed sensor can disrupt the system's ability to maintain a constant speed, resulting in malfunction. It's also wise to check for a blown fuse, as this can completely disable the cruise control system; replacing the fuse may be a simple fix. Furthermore, vacuum leaks in the engine can adversely affect the cruise control's performance, causing it to disengage unexpectedly. Lastly, a malfunctioning cruise control module may require replacement to restore proper functionality. By systematically addressing these issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2008 INFINITI M35?

When dealing with a malfunctioning cruise control in a 2008 INFINITI M35, it is crucial to recognize the urgency of the situation. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk to both the driver and others on the road. Additionally, a malfunction can hinder the vehicle's ability to maintain a steady speed, negatively impacting fuel efficiency and overall driving comfort. Promptly addressing these issues not only enhances safety but also helps prevent further damage to the vehicle's systems, potentially saving on costly repairs down the line. Regular maintenance and timely repairs are essential for the optimal performance of your vehicle, making it imperative to take action as soon as you notice any symptoms of cruise control malfunction.

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2008 INFINITI M35 Cruise Control Issues & Repair Costs