2010 INFINITI M45 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 INFINITI M45 and How to Fix Them

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Reviewed by
Bo Fader
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 2010 INFINITI M45 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 2010 INFINITI M45 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 2010 INFINITI M45?

When diagnosing a cruise control issue in a 2010 INFINITI M45, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by examining the cruise control fuse, as a blown fuse can disrupt the entire system. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning properly, since faulty buttons can lead to operational issues. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying problems, helping to streamline your troubleshooting process. Additionally, verify the functionality of the speed sensors, which are essential for the cruise control system's operation. It's also wise to inspect the wiring and connections for any signs of damage or corrosion, as these can significantly affect performance. Finally, test the cruise control module to ensure it is functioning correctly, as a malfunctioning module can prevent the system from engaging. By adhering to this structured approach, you can effectively identify and resolve the cruise control issue in your INFINITI M45, ensuring a smoother driving experience.

What are the common problems that could cause the cruise control to stop working in a 2010 INFINITI M45?

When dealing with cruise control issues in a 2010 INFINITI M45, it's essential to recognize the common problems that could be at play. One of the primary culprits 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, the speed sensor plays a vital role in the cruise control's operation; if it fails to provide accurate speed readings, the system may not function as intended. Another potential issue is a blown fuse within the cruise control circuit, which can halt its operation entirely and is often a straightforward fix. Furthermore, the throttle actuator, responsible for maintaining engine speed, can also malfunction, disrupting the cruise control's ability to hold a set speed. Lastly, problems with the Electronic Control Module (ECM) can lead to broader system failures, including cruise control issues. For those looking to troubleshoot these problems, a careful inspection of these components can help identify the root cause and guide necessary repairs.

How urgent is it to address the malfunctioning cruise control in a 2010 INFINITI M45, considering potential safety risks and further damage?

Addressing a malfunctioning cruise control system in a 2010 INFINITI M45 is of utmost importance due to the significant safety risks it poses. A faulty cruise control can lead to unintended acceleration or deceleration, creating hazardous driving conditions, especially on highways where maintaining a consistent speed is crucial. Ignoring these symptoms not only jeopardizes the safety of the driver and passengers but also increases the likelihood of accidents that could affect other road users. Furthermore, neglecting the issue can result in more extensive damage to the vehicle's components, leading to costly repairs down the line. Therefore, it is essential to prioritize the inspection and repair of the cruise control system, ideally by a qualified mechanic or dealership, to ensure safe and reliable vehicle operation. Taking prompt action can prevent dangerous situations and protect your investment in the vehicle.

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