2006 Chevrolet Impala Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Chevrolet Impala 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 2006 Chevrolet Impala 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 Chevrolet Impala 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the steps to diagnose the cruise control issue in a 2006 Chevrolet Impala?

When diagnosing a cruise control issue in a 2006 Chevrolet Impala, it's essential to adopt a systematic diagnostic approach that begins with the simplest solutions before progressing to more complex assessments. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the culprit behind malfunctioning systems. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can prevent engagement. Following this, examine the vacuum lines connected to the cruise control system for any leaks or damage, as these can significantly impact performance. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific issues affecting the cruise control system. Additionally, verify the functionality of the vehicle's speed sensors, as malfunctioning sensors can hinder the system's ability to maintain speed. It's also crucial to inspect the brake and clutch switches, which are designed to disengage the cruise control when necessary. Finally, test the cruise control module to ensure it is sending and receiving signals correctly. By methodically following these steps, you can effectively identify and address the root cause of cruise control issues in your Impala, making the troubleshooting process more efficient and manageable.

What are the common problems that could cause the cruise control to stop working in a 2006 Chevrolet Impala?

When troubleshooting the cruise control system in a 2006 Chevrolet Impala, it's essential to consider several common problems that may be at play. One frequent issue is a failed control module, which can prevent the cruise control from engaging or functioning correctly. Additionally, sensor or switch malfunctions can disrupt the system's operation, as these components are crucial for relaying information about vehicle speed and driver inputs. Throttle actuation problems may also arise, where the throttle body does not respond as expected, leading to erratic or non-functional cruise control. Furthermore, the powertrain control module (PCM) can inhibit cruise control if it detects related issues, such as engine performance problems or fault codes. By understanding these potential failure modes, DIYers can systematically diagnose the issue, check relevant components, and take appropriate steps to restore functionality to the cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2006 Chevrolet Impala?

Addressing a malfunctioning cruise control in a 2006 Chevrolet Impala is of utmost importance due to the significant safety risks it poses. When cruise control fails, it can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which can be particularly hazardous during highway driving. Maintaining full control of your vehicle is essential, especially on long trips where cruise control is frequently utilized. Delaying repairs not only jeopardizes your safety but can also exacerbate the problem, potentially leading to more extensive and costly repairs down the line. Therefore, prioritizing the resolution of cruise control issues is crucial for ensuring a safe driving experience and protecting the integrity of your vehicle.

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2006 Chevrolet Impala Cruise Control Issues & Repairs