2002 Chevrolet Corvette Cruise Control Isn't Working

Diagnosing Common Issues with Cruise Control in Your 2002 Chevrolet Corvette and How to Fix Them

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Reviewed by
Andrew Hajjar
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 Corvette 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 Corvette 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.

What are the steps to diagnose the cruise control issue in a 2002 Chevrolet Corvette?

When diagnosing a cruise control issue in a 2002 Chevrolet Corvette, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by testing the cruise control system using basic tools like a test light and multimeter to identify any obvious electrical faults. During a test drive, try holding the brake pedal up with your left foot while engaging the cruise control; this can help determine if the brake switch is overly sensitive and causing the system to disengage unexpectedly. Pay attention to common symptoms such as speed surges or an inability to maintain speed, as these can provide clues about underlying problems. Next, verify the functionality of the cruise control On/Off switch and the throttle actuator control (TAC) module to ensure they are sending the correct signals. Additionally, inspect the cruise control vacuum reservoir for any leaks or damage that could impair performance. Finally, check the clutch switch circuit to confirm that the powertrain control module (PCM) is receiving the appropriate voltage when the switch is engaged. By following this structured diagnostic approach, you can effectively identify and address the cruise control issues in your Corvette.

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

When dealing with cruise control issues in a 2002 Chevrolet Corvette, it's essential to understand the common problems that may be at play. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, a defective cruise control module can significantly impair the system's functionality, leading to complete failure. Another potential issue is vacuum leaks within the cruise control system, which can disrupt its ability to maintain speed. Furthermore, a malfunctioning speed sensor can hinder the cruise control's performance, making it difficult to sustain a consistent speed. Lastly, electrical problems, such as blown fuses or wiring issues, can also contribute to the cruise control's malfunction. By identifying and addressing these common issues, DIYers can effectively troubleshoot and restore the cruise control functionality in their Corvette.

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

When it comes to the non-functioning cruise control in a 2002 Chevrolet Corvette, understanding the urgency of the situation is crucial for any DIY enthusiast. While the immediate safety of the vehicle may not be compromised, neglecting this issue can lead to a less enjoyable driving experience, particularly on long trips where cruise control is most beneficial. The convenience of maintaining a steady speed without constant foot pressure on the accelerator is a significant advantage, and its absence can lead to driver fatigue and frustration. Moreover, postponing repairs could allow underlying electrical problems to escalate, potentially resulting in more extensive and costly repairs down the line. Therefore, while it may not seem like an emergency, addressing the cruise control malfunction promptly is advisable to maintain both the functionality of your Corvette and the overall enjoyment of your driving experience.

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