2016 BMW 340i Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 BMW 340i 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 2016 BMW 340i 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 2016 BMW 340i 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 common problems that could cause the cruise control to stop working in a 2016 BMW 340i?

When troubleshooting the cruise control system in a 2016 BMW 340i, it's essential to understand the common problems that may lead to its failure. One frequent issue is the presence of failed or dirty speed sensors, which are crucial for relaying information to the vehicle's computer. If these sensors are not functioning correctly, the cruise control may not engage. Another common culprit is a blown fuse; if the fuse associated with the cruise control system has blown, it will prevent the system from operating altogether, necessitating a simple fuse replacement. Additionally, intermittent issues with the cruise control actuator, such as bad solder joints, can disrupt functionality, particularly in high-temperature conditions under the hood. Steering wheel malfunctions can also play a role, as turning the wheel may temporarily restore functionality, indicating a potential wiring issue. Lastly, accidental activation of the cruise set button can trigger a "cruise control malfunction" message, which may be resolved by restarting the vehicle. By identifying these common problems, DIY enthusiasts can effectively diagnose and address cruise control issues in their BMW 340i.

How urgent is it to address the non-functioning cruise control in a 2016 BMW 340i?

When it comes to a non-functioning cruise control in your 2016 BMW 340i, addressing the issue promptly is crucial for both safety and driving convenience. A malfunctioning cruise control system can lead to dangerous situations, especially if it fails to disengage when needed, potentially resulting in loss of vehicle control. Common indicators of a problem, such as warning lights on the dashboard, should not be ignored, as they signal underlying issues that could escalate if left unaddressed. The causes of cruise control failure can range from simple fixes like blown fuses or faulty brake switches to more complex problems involving the vehicle's speed sensor or throttle control system. Given that the cruise control system is designed to enhance your driving experience by maintaining speed without constant pedal pressure, any malfunction can detract from that benefit and may even compromise your safety on the road. Therefore, while it may not seem like an immediate emergency, prioritizing the diagnosis and repair of your cruise control system is essential to ensure your vehicle operates safely and efficiently.

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