2008 Suzuki Grand Vitara Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Suzuki Grand Vitara and How to Fix Them

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Reviewed by
Devin Cabugcal
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 2008 Suzuki Grand Vitara 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 2008 Suzuki Grand Vitara 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 steps to diagnose the cruise control issue in a 2008 Suzuki Grand Vitara?

To effectively diagnose a cruise control issue in a 2008 Suzuki Grand Vitara, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse to ensure it is intact, as a blown fuse can easily disrupt functionality. Next, verify the operation of the cruise control switch; any malfunction here can prevent the system from engaging. It's also crucial to check the brake lights, as they are linked to the cruise control system; if they are not functioning, the cruise control may not activate. Following these initial checks, examine the speed sensor located underneath the vehicle, as it plays a vital role in maintaining the set speed. Additionally, keep an eye out for any warning lights on the instrument cluster, particularly the "SET" indicator, which can provide clues about the system's status. Finally, once these components are confirmed to be in working order, turn on the cruise control system, accelerate to your desired speed, and attempt to set the cruising speed using the "SET/COAST" switch. By following this structured diagnostic approach, you can efficiently identify and resolve cruise control issues in your vehicle.

What causes cruise control failure in a 2008 Suzuki Grand Vitara?

When dealing with cruise control failure in a 2008 Suzuki Grand Vitara, it's crucial to understand the various common problems that could be at fault. One of the primary suspects is the control module, which can malfunction and disrupt the cruise control system's operation. Additionally, issues with sensors, particularly the throttle position sensor, can lead to erratic behavior; a failing sensor may cause the engine to receive incorrect signals, resulting in performance issues such as black exhaust. Other potential culprits include a blown fuse, which can cut power to the cruise control system, or a defective brake pedal switch that may prevent the system from engaging. Furthermore, problems with the throttle control system, ABS, or even a broken vacuum line in older models can contribute to cruise control failure. To effectively address these issues, a thorough diagnostic process is essential, allowing DIYers to pinpoint the exact cause and implement the necessary repairs.

How urgent is it to address the malfunctioning cruise control in a 2008 Suzuki Grand Vitara?

Addressing a malfunctioning cruise control in a 2008 Suzuki Grand Vitara is not just a matter of convenience; it is a critical safety issue that demands immediate attention. A faulty cruise control system can lead to erratic speed changes, increasing the risk of accidents, particularly on highways where maintaining a consistent speed is essential for safe driving. Moreover, neglecting this issue can have broader implications for your vehicle's performance, potentially affecting acceleration and the accuracy of your speedometer. If the cruise control malfunction is accompanied by a check engine light, it may signal deeper mechanical problems that could escalate if left unresolved. Timely intervention not only ensures your safety but also helps prevent further damage to your vehicle, making it imperative to address any cruise control issues as soon as they arise.

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2008 Suzuki Grand Vitara Cruise Control Issues & Repairs