BMW 328d XDrive Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your BMW 328d xDrive 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a BMW 328d 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 328d 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 328d xDrive

When troubleshooting cruise control issues in your BMW 328d xDrive, it's essential to follow a structured diagnostic approach to effectively identify and resolve the problem. Begin by checking the simplest potential causes, such as a blown fuse, which is often a straightforward fix. Inspect the fuse box for any damaged fuses associated with the cruise control system. If the fuses are intact, move on to evaluate the battery's condition, as a weak or faulty battery can disrupt the operation of electronic systems, including cruise control. Should these initial checks not yield results, focus on the speed sensor; a dirty or malfunctioning sensor can hinder cruise control functionality, so cleaning or replacing it may be necessary. Additionally, examine the wiring and connections for any signs of damage or looseness, as these can lead to intermittent issues. If the throttle control mechanism is dirty or damaged, cleaning or repairing it could restore proper operation. If problems persist, particularly if they are intermittent, this may indicate a more complex issue that requires professional diagnosis. Timely attention to these issues is crucial for ensuring the safe operation of your vehicle, so if DIY troubleshooting does not resolve the problem, seeking help from a qualified mechanic or BMW service center is advisable.

What Could Cause Cruise Control Malfunctions in a BMW 328d xDrive?

When troubleshooting cruise control malfunctions in a BMW 328d xDrive, it's essential to understand the common problems that may arise within the system. A primary concern often lies with the control module, which can fail and disrupt the entire cruise control functionality. Additionally, sensors such as the throttle position sensor and speed sensors play a critical role; if these components are dirty or malfunctioning, they can lead to erratic behavior or complete failure of the cruise control system. Throttle actuation issues may also manifest, where the engine's computer compensates incorrectly, potentially causing excessive fuel consumption and black exhaust. Furthermore, it's important to inspect for blown fuses, battery issues, and wiring problems, as these can also contribute to cruise control failures. By systematically checking these components, DIY enthusiasts can effectively diagnose and address the underlying issues, restoring the cruise control functionality in their BMW 328d xDrive.

Why is the Cruise Control Not Working in a BMW 328d xDrive?

When your BMW 328d xDrive's cruise control malfunctions, it’s crucial to address the issue without delay. Ignoring symptoms like erratic behavior or complete failure can lead to unsafe driving conditions, as cruise control is designed to maintain speed and reduce driver fatigue on long journeys. Common causes such as a failed control module, faulty sensors, or blown fuses can escalate into more significant problems if left unchecked, potentially affecting other vehicle systems. For instance, a malfunctioning throttle position sensor not only disrupts cruise control but may also lead to engine performance issues, such as excessive fuel consumption and black exhaust. Additionally, a defective brake pedal switch can inadvertently disable cruise control, posing a risk during highway driving. Therefore, it’s essential to diagnose and resolve these issues promptly to ensure your vehicle operates safely and efficiently, preventing further complications and costly repairs down the line.

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