1997 Chevrolet K2500 Suburban Cruise Control Isn't Working

Fixing Cruise Control Malfunctions in 1997 Chevrolet K2500 Suburban

Find Repair Location
Reviewed by
Aisha
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 1997 Chevrolet K2500 Suburban 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 1997 Chevrolet K2500 Suburban 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 throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

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.

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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial steps to diagnose the non-functioning cruise control in a 1997 Chevrolet K2500 Suburban?

To effectively diagnose the non-functioning cruise control in your 1997 Chevrolet K2500 Suburban, begin with a methodical approach that emphasizes simplicity and accessibility. Start by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily rectifiable issue. Next, inspect the cruise control module for any visible damage or corrosion, which could hinder its performance. Given the age of the vehicle, it’s also crucial to verify the integrity of the vacuum lines, as leaks or damage in these lines can disrupt the system's functionality. Following this, test the cruise control switch to ensure it is properly sending signals; a malfunctioning switch can prevent the system from engaging altogether. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that may provide insight into underlying problems. Finally, consulting the vehicle manual can offer specific troubleshooting guidance tailored to your model, ensuring you have all the necessary information at your fingertips. By following these steps, you can systematically address the cruise control issue and enhance your DIY troubleshooting skills.

What are the common problems that could cause the cruise control to stop working in a 1997 Chevrolet K2500 Suburban?

When troubleshooting the cruise control system in a 1997 Chevrolet K2500 Suburban, it's essential to consider several common issues that could be at play. A blown fuse is often the first suspect, as it can easily disrupt the electrical flow necessary for the cruise control to function. Additionally, the brake pedal switch plays a crucial role; if it's faulty, it may prevent the cruise control from engaging, since the system is designed to disengage when the brake is applied. Another potential culprit is the speed sensor, which is responsible for relaying the vehicle's speed to the cruise control system; if this sensor is defective, it can hinder the system's ability to maintain a steady speed. Furthermore, vacuum leaks within the cruise control system can lead to a loss of pressure, causing the system to malfunction. Lastly, a faulty cruise control module itself can be a significant factor in cruise control failure. By systematically checking these components, you can effectively diagnose and resolve the issue, restoring functionality to your vehicle's cruise control system.

How urgent is it to repair the non-functioning cruise control in a 1997 Chevrolet K2500 Suburban?

When evaluating the urgency of repairing the non-functioning cruise control in your 1997 Chevrolet K2500 Suburban, it is essential to recognize the potential safety risks associated with a malfunctioning system. A faulty cruise control can lead to unexpected acceleration or deceleration, which may compromise your ability to maintain control of the vehicle, especially during long drives where fatigue is a factor. Additionally, the convenience that cruise control offers during highway travel cannot be overlooked; it significantly enhances driving comfort and reduces the physical strain on the driver during extended trips. Furthermore, from a financial perspective, ensuring that all vehicle features are operational can positively influence the resale value of your Suburban. Prospective buyers are often more inclined to purchase a vehicle that has all systems functioning properly. Therefore, while the cruise control issue may not seem immediately critical, addressing it promptly is advisable to ensure safety, enhance driving comfort, and protect your investment in the long run.

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.

1997 Chevrolet K2500 Suburban Cruise Control Issues & Fixes