2009 INFINITI M35 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2009 INFINITI M35 and How to Fix Them

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Reviewed by
Aisha
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 2009 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 2009 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 2009 INFINITI M35?

When diagnosing a cruise control issue in a 2009 INFINITI M35, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, assess the functionality of the cruise control buttons on the steering wheel, ensuring they are not stuck or damaged, which could hinder their performance. Utilizing an OBD-II scanner to check for error codes can reveal any underlying issues affecting the cruise control system. It's also important to examine the speed sensors, as they are integral to the system's functionality. Additionally, the brake pedal switch must be tested, as it plays a critical role in engaging the cruise control. Finally, inspect the wiring connections related to the cruise control system for any signs of damage or loose connections. If these preliminary steps do not resolve the issue, seeking assistance from a mechanic experienced with INFINITI vehicles may be necessary for a comprehensive diagnosis and repair. By adhering to this structured approach, you can effectively troubleshoot and potentially resolve cruise control problems in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2009 INFINITI M35?

When troubleshooting the cruise control system in a 2009 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 pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. Another potential issue is a blown fuse within the cruise control circuit, which can easily be checked in the fuse box. Furthermore, a malfunctioning throttle actuator can hinder the system's performance, as it directly controls engine speed. Problems with the Electronic Control Module (ECM) can also affect cruise control operation, given its role in managing various vehicle functions. Lastly, vacuum leaks in the engine can interfere with the cruise control system's functionality, making it crucial to inspect for any leaks. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your INFINITI M35.

How urgent is it to address the malfunctioning cruise control in a 2009 INFINITI M35?

When dealing with a malfunctioning cruise control in a 2009 INFINITI M35, it is essential to recognize the urgency of the situation, even if it may not seem as critical as other mechanical failures. While the cruise control system primarily enhances driving comfort by maintaining a steady speed, neglecting its malfunction can lead to a less enjoyable driving experience, particularly on long trips or highways. If left unaddressed, the issue could potentially escalate, leading to more complex problems that may affect other vehicle systems. Therefore, it is advisable to prioritize the repair of the cruise control system to ensure that your vehicle operates smoothly and efficiently. Consulting a qualified mechanic or an INFINITI dealership can provide the necessary expertise to diagnose and resolve the issue promptly, helping you maintain the vehicle's overall functionality and your driving comfort.

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