BMW I3s Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your BMW i3s 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 BMW i3s 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 BMW i3s 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.

Troubleshooting Cruise Control Issues in a BMW i3s

When troubleshooting cruise control issues in your BMW i3s, begin by checking the fuse associated with the cruise control system. A blown fuse is a straightforward fix that can often resolve the problem quickly. If the fuse is intact, proceed to ensure that your vehicle is up to date with regular maintenance, including software updates and the replacement of any faulty components, as these are crucial for the proper functioning of the cruise control system. Next, inspect the cruise control components, especially if your vehicle features Adaptive Cruise Control (ACC). If the system fails to activate despite having the necessary buttons, there may be a deeper issue within the cruise control system itself. Additionally, consider environmental factors such as temperature sensitivity; for instance, a malfunctioning solder joint in the cruise control actuator may lead to operational failures when the engine bay overheats. By systematically addressing these areas, you can effectively diagnose and potentially resolve cruise control issues in your BMW i3s.

What Could Cause Cruise Control Malfunctions in a BMW i3?

When diagnosing cruise control malfunctions in a BMW i3, it's essential to consider several common problems that may arise. One of the primary culprits is the failure or dirt accumulation on sensors, particularly speed sensors, which are crucial for relaying information to the vehicle's computer. If these sensors are compromised, the cruise control system may not function correctly, leading to warning indicators. Additionally, any internal issues within the cruise control system itself can trigger malfunctions, signaling that the system is unsafe for use. Environmental factors also play a significant role; conditions such as heavy rain, fog, or even direct sunlight can interfere with sensor performance, while dirt on the windscreen can obstruct the camera system that the i3 relies on for adaptive cruise control. Understanding these potential issues allows BMW i3 owners to take proactive steps in diagnosing and resolving cruise control problems, ensuring a safer and more reliable driving experience.

Why is the Cruise Control Not Working in a BMW i3s?

When the cruise control in your BMW i3s malfunctions, it’s crucial to address the issue promptly to ensure your safety and the vehicle's performance. Ignoring symptoms such as unresponsive controls or erratic behavior can lead to more significant problems, including potential accidents if the system fails while driving. Common culprits like a failed control module, faulty sensors, or a blown fuse can disrupt the cruise control functionality, and if left unchecked, these issues may escalate, resulting in costly repairs or even compromising your vehicle's overall safety. Additionally, problems with the throttle actuation or brake pedal switch can further complicate the situation, making it imperative to diagnose the root cause quickly. By taking immediate action, you not only enhance your driving experience but also prevent further damage to your BMW i3s, ensuring it remains reliable and safe on the road.

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