1999 Chevrolet S10 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1999 Chevrolet S10 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 1999 Chevrolet S10 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 1999 Chevrolet S10 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 steps to diagnose the cruise control issue in a 1999 Chevrolet S10?

To effectively diagnose cruise control issues in a 1999 Chevrolet S10, begin with a methodical approach that emphasizes simplicity and efficiency. Start by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable problem that can disrupt functionality. Next, inspect the cruise control switch to ensure it is operating correctly; a malfunctioning switch can prevent the system from engaging. Following this, examine the brake pedal switch, which is crucial for disengaging cruise control when the brakes are applied; if this switch is faulty, it can lead to persistent issues. Additionally, test the vehicle speed sensor, as it provides essential data for the cruise control system; a malfunction here can significantly impact performance. Finally, utilize a diagnostic scanner to check for any error codes that may indicate specific problems within the cruise control system. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting your vehicle's cruise control functionality.

What are the common problems that could cause the cruise control to stop working in a 1999 Chevrolet S10?

When dealing with a malfunctioning cruise control system in a 1999 Chevrolet S10, it's essential to understand the common problems that could be at play. One of the first things to check is the fuse; a blown fuse can easily disrupt the entire system, so inspecting and replacing any damaged fuses is a straightforward first step. If the fuse is intact, the next likely culprit could be the cruise control switch itself, which may need replacement if it's faulty. Additionally, the brake pedal switch plays a crucial role in the system's operation, as it disengages cruise control when the brakes are applied. A defective brake pedal switch can prevent the cruise control from functioning correctly, so testing this component is vital. Another common issue is vacuum leaks within the cruise control system; inspecting the vacuum lines for any signs of wear or damage can help identify leaks that may be affecting performance. Furthermore, a faulty speed sensor can hinder the cruise control's ability to maintain speed, necessitating its replacement if found defective. Lastly, electrical issues, including wiring problems or a malfunctioning cruise control module, can also cause the system to fail. By systematically checking these components, DIYers can effectively troubleshoot and potentially restore the cruise control functionality in their Chevrolet S10.

How urgent is it to repair the non-functioning cruise control in a 1999 Chevrolet S10?

When considering the urgency of repairing the non-functioning cruise control in a 1999 Chevrolet S10, it's essential to weigh the implications of delaying this repair. Although cruise control is not a critical safety feature, its absence can lead to increased driver fatigue during long trips, which may indirectly compromise safety. Additionally, a malfunctioning cruise control system could indicate underlying electrical issues that, if ignored, might escalate into more significant problems, potentially leading to costly repairs down the line. For those who plan to sell or trade in their vehicle, having a fully operational cruise control system can enhance the vehicle's resale value, making it a smart investment. Therefore, while the repair may not be immediately urgent, addressing it promptly can enhance driving comfort, prevent future complications, and help maintain the vehicle's market appeal.

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