BMW 335i GT XDrive Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your BMW 335i GT xDrive and How to Fix Them

Find Repair Location
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 BMW 335i GT xDrive 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 335i GT xDrive 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 335i GT xDrive

When faced with cruise control issues in your BMW 335i GT xDrive, it's essential to adopt a systematic diagnostic approach. Start by checking for any error messages displayed on your dashboard, as these can provide crucial insights into the malfunction. If a cruise control error appears, it’s a sign that the system may not be safe to use, and addressing this warning should be your first priority. Next, consider performing some simple DIY fixes, such as inspecting the fuses related to the cruise control system. A blown fuse is a common issue that can often be resolved without professional assistance. If these initial steps do not rectify the problem, it may be time to consult online BMW forums, where fellow enthusiasts share troubleshooting tips and experiences that could guide you further. Should the issue persist despite your efforts, seeking help from a qualified mechanic is advisable, as they can provide a thorough diagnosis and recommend necessary repairs. By following this structured approach, you can effectively troubleshoot and potentially resolve cruise control issues, ensuring a smoother driving experience in your BMW.

What Could Cause Cruise Control Issues in a BMW 335i GT xDrive?

When dealing with cruise control issues in a BMW 335i GT xDrive, it's essential to understand the common problems that may arise. One frequent culprit is a malfunctioning control module, which can disrupt the entire cruise control system. Additionally, sensor failures, particularly with the throttle position sensor, can lead to erratic engine behavior, such as excessive fuel consumption and black exhaust emissions. DIY enthusiasts should also be aware of the importance of checking the vehicle's fuse box for any blown fuses related to the cruise control system, as this is a straightforward fix that can restore functionality. Furthermore, inspecting the speed sensor for dirt or damage, as well as examining the wiring and throttle control components, can help identify underlying issues. Intermittent malfunctions, such as sporadic error messages on the dashboard, may indicate deeper problems like a faulty actuator or bad solder joints, particularly if the issues arise during prolonged engine operation. By systematically addressing these potential failure modes, DIYers can effectively troubleshoot and resolve cruise control problems in their BMW 335i GT xDrive.

Why is the Cruise Control Not Working in a BMW 335i GT xDrive?

When the cruise control in your BMW 335i GT xDrive is not functioning, it’s crucial to understand the urgency of diagnosing and resolving the issue. A malfunctioning cruise control system can not only lead to an inconvenient driving experience but also pose significant safety risks, especially during long drives where maintaining a consistent speed is essential. Common culprits include failed or dirty speed sensors, which are vital for the system's communication with the vehicle's computer. Additionally, problems with the control module, throttle, or other components can disrupt the cruise control's operation. It's also worth noting that the system may not engage until the engine reaches a specific temperature, which can take time. Ignoring these symptoms could lead to more severe mechanical issues or even unsafe driving conditions. Therefore, if you notice your cruise control is not working, it’s advisable to investigate the problem promptly or seek professional assistance to ensure your vehicle remains safe and reliable on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.