2002 Chevrolet Avalanche 1500 Cruise Control Isn't Working

Fix Cruise Control Malfunctions in Your 2002 Chevrolet Avalanche 1500

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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 2002 Chevrolet Avalanche 1500 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 2002 Chevrolet Avalanche 1500 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 diagnostic steps to troubleshoot the non-functional cruise control in a 2002 Chevrolet Avalanche 1500?

When faced with a non-functional cruise control in a 2002 Chevrolet Avalanche 1500, it's crucial to adopt a systematic diagnostic approach. Start by checking the fuse associated with the cruise control system; a blown fuse is a common and easily fixable issue that can disrupt functionality. Next, verify the cruise control switch to ensure it is operational, as a malfunctioning switch can prevent the system from engaging. It's also important to examine the brake lights, since a faulty brake light switch can interfere with cruise control operation. Additionally, inspect the vehicle's speed sensors, as these components are vital for the cruise control system to function correctly. Finally, using a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control problem in your Avalanche, saving time and money on professional repairs.

What are the common problems that could cause the cruise control to stop working in a 2002 Chevrolet Avalanche 1500?

When troubleshooting the cruise control system in a 2002 Chevrolet Avalanche 1500, it's essential to consider several common problems that may be at play. A failed control module, sensor, or switch can disrupt the system's functionality, so checking these components should be a priority. Additionally, throttle actuation issues can prevent the cruise control from engaging properly, while problems with the vacuum actuator or damaged vacuum hoses can also lead to malfunctions. Inspecting the cable that links the actuator is crucial, as any damage here can impede performance. Furthermore, mechanical issues, blown fuses, or a faulty speed sensor may contribute to the problem, along with electrical issues stemming from failed brake or clutch switches and broken wires. By systematically examining these areas, DIYers can effectively identify and address the root cause of their cruise control issues.

How urgent is it to address the non-functioning cruise control in a 2002 Chevrolet Avalanche 1500?

When it comes to the non-functioning cruise control in a 2002 Chevrolet Avalanche 1500, understanding the urgency of the situation is crucial for any DIY enthusiast. While the malfunction may not pose an immediate safety risk, it can significantly detract from the overall driving experience, especially during long trips where maintaining a steady speed is beneficial. Ignoring this issue could lead to more complex problems down the line, as the underlying cause of the malfunction may worsen if left unaddressed. Additionally, without cruise control, drivers may find themselves inadvertently accelerating, which can lead to increased fuel consumption and unnecessary wear on the vehicle. Therefore, it is wise to prioritize a thorough inspection of the cruise control system by a qualified mechanic. This proactive approach not only ensures the convenience of this feature but also helps maintain the vehicle's overall performance and efficiency, making it a worthwhile endeavor for any owner.

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