2018 Nissan 370Z Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Nissan 370Z 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 2018 Nissan 370Z cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 2018 Nissan 370Z 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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.

How to troubleshoot cruise control issues in a 2018 Nissan 370Z?

When troubleshooting cruise control issues in your 2018 Nissan 370Z, it's essential to adopt a systematic diagnostic approach that prioritizes simpler fixes before delving into more complex problems. Begin by checking the fuses and relays, as these are often the easiest components to inspect and replace if faulty. Next, focus on the brake pedal switch, which is a common culprit for cruise control malfunctions; ensure it is functioning correctly to avoid interference with the system. After that, examine the throttle control system, as any issues here can directly impact cruise control performance. Don’t overlook the ABS system, as faults within it can also disrupt cruise control functionality. If your vehicle has an older cruise control system, inspect the vacuum lines for any damage or leaks, as these can significantly affect operation. Finally, check the cruise control sensor to ensure it is properly connected and functioning. By following this structured approach, you can effectively identify and resolve the issues affecting your cruise control system.

What common issues cause cruise control failure in a 2018 Nissan 370Z?

When dealing with cruise control failure in a 2018 Nissan 370Z, several common problems may be at play. One of the first things to check is the fuse and the brake pedal switch, as a blown fuse or a defective switch can disrupt the system's operation. Additionally, issues with the throttle control system or the anti-lock braking system (ABS) can also lead to malfunctioning cruise control. It's essential to inspect the brake pedal and throttle body for any irregularities, as these components play a crucial role in the system's functionality. Furthermore, a faulty speed sensor or low brake fluid levels can hinder the cruise control's performance. In more severe cases, total brake failure can occur, which not only affects cruise control but poses significant safety risks. By understanding these common issues, DIY enthusiasts can take the necessary steps to diagnose and potentially resolve cruise control problems in their vehicle.

How urgent is it to address the malfunctioning cruise control in my 2018 Nissan 370Z?

While a malfunctioning cruise control system in your 2018 Nissan 370Z may not seem urgent, it is essential to understand the potential implications of neglecting this issue. Although cruise control failures typically do not pose immediate safety risks, they can significantly impact your driving comfort and convenience, especially on long trips. If the malfunction is linked to critical components such as the front radar system or a faulty crankshaft position sensor, it becomes increasingly important to address the problem promptly to prevent further complications. Additionally, issues like a blown fuse or a malfunctioning brake pedal switch can disrupt the cruise control functionality and should be investigated without delay. By taking the time to diagnose and repair these issues, you not only enhance your vehicle's performance but also improve fuel efficiency and reduce driver fatigue, making your driving experience more enjoyable. Therefore, while it may not be an emergency, addressing cruise control malfunctions in a timely manner is advisable to maintain the overall functionality of your vehicle.

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