2006 Saab 9-3 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Saab 9-3 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2006 Saab 9-3 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 2006 Saab 9-3 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2006 Saab 9-3?

When troubleshooting the non-functioning cruise control in a 2006 Saab 9-3, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the cruise control switch located on the steering wheel; ensure it is not stuck or damaged, as this can prevent the system from engaging. Following this, examine the brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; a faulty switch can lead to the system not activating. Additionally, review the vehicle speed sensor, as it must send accurate speed signals to the cruise control module for proper functionality. Finally, consider using a diagnostic scanner to check for any error codes that may provide further insight into the issue. By following these steps in order, you can effectively narrow down the potential causes of the cruise control malfunction and take appropriate action to resolve it.

What are the common problems that could cause the cruise control to stop working in a 2006 Saab 9-3?

When troubleshooting the cruise control system in a 2006 Saab 9-3, it's essential to understand the common problems that may lead to its failure. One of the primary culprits could be a faulty cruise control switch, which may prevent the system from engaging or disengaging as intended. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to operate, while a defective speed sensor can hinder its ability to maintain a consistent speed. Vacuum leaks are another issue that can affect the system's performance, as they can interfere with the engine's capacity to sustain a steady pace. Furthermore, problems with the brake light switch can cause the cruise control to disengage unexpectedly when the brakes are applied, and a malfunctioning throttle cable can also prevent the system from functioning correctly. Identifying these issues can help you effectively diagnose and address the problem, ensuring your cruise control operates smoothly once again.

How urgent is it to repair the non-functioning cruise control on a 2006 Saab 9-3?

When evaluating the urgency of repairing the non-functioning cruise control on a 2006 Saab 9-3, it is crucial to recognize that while it may not pose an immediate safety threat, neglecting this issue can lead to significant consequences. A malfunctioning cruise control system can result in erratic speed changes, which may compromise driving safety, particularly on long highway journeys where maintaining a steady speed is essential. Additionally, the absence of this feature can detract from the overall driving experience, making long trips more tiring and less enjoyable. Furthermore, addressing the cruise control issue promptly can positively impact the vehicle's resale value; potential buyers are often wary of cars with unresolved mechanical problems. Therefore, while the repair may not be urgent in the traditional sense, taking action sooner rather than later can enhance safety, improve comfort, and preserve the car's market value.

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