INFINITI M35h Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your INFINITI M35h 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 INFINITI M35h 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 INFINITI M35h 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

Troubleshooting Cruise Control Issues in an INFINITI M35h

When troubleshooting cruise control issues in your INFINITI M35h, start by checking the basics to identify the problem efficiently. Begin with the fuse box; a blown fuse can easily disrupt the cruise control system, so inspect and replace any faulty fuses as needed. Next, examine the brake lights and brake switch, as a malfunctioning brake light can signal to the cruise control system that the brakes are engaged, preventing it from activating. If these initial checks do not resolve the issue, look for any warning lights on the dashboard, particularly the check engine light, which may indicate underlying engine problems affecting cruise control functionality. If the cruise control still fails to operate, consider inspecting the control module, sensors, and throttle actuation components, as these are more complex issues that may require professional assistance. By following this diagnostic approach, you can systematically eliminate potential causes and restore your cruise control system to proper working order.

Troubleshooting Cruise Control Issues in an INFINITI M35h

When dealing with cruise control issues in your INFINITI M35h, it's essential to understand the common problems that may arise within the system. One frequent culprit is a blown fuse, which can disrupt the electrical flow necessary for the cruise control to function. Additionally, the condition of the brake pedal and throttle body plays a significant role; if either component is malfunctioning, it can prevent the cruise control from engaging properly. Another critical aspect to consider is the speed sensor, as it provides vital information about the vehicle's speed to the cruise control system. If the speed sensor is faulty, the system may not operate as intended. Utilizing a diagnostic scanner can also be beneficial, as it can reveal error codes that point to specific issues within the cruise control system. By being aware of these common problems, you can take a more informed approach to troubleshooting and potentially resolve the issues affecting your cruise control.

Why is the Cruise Control Not Working in an INFINITI M35h?

When the cruise control in your INFINITI M35h fails, it’s crucial to understand the urgency of the situation. Ignoring symptoms such as sudden deceleration or the inability to set the cruise control can pose significant safety risks, not only to you but also to other road users. A malfunctioning cruise control system may stem from various issues, including a faulty control module, sensor problems, or even a defective brake pedal switch. These components are integral to the system's operation, and if left unaddressed, they could lead to more severe damage or costly repairs. Additionally, if the brake release switch fails, it may prevent the cruise control from functioning altogether, which can be particularly dangerous during highway driving. Therefore, it is essential to diagnose and resolve any cruise control issues promptly to ensure your vehicle operates safely and efficiently.

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INFINITI M35h Cruise Control Not Working