2002 Hyundai Santa Fe Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2002 Hyundai Santa Fe and How to Fix Them

Find Repair Location
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 Hyundai Santa Fe cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 Hyundai Santa Fe 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 non-functioning cruise control in a 2002 Hyundai Santa Fe?

To effectively diagnose the non-functioning cruise control in your 2002 Hyundai Santa Fe, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control switch, as a faulty switch can often be the root cause of the problem. Next, verify the brake pedal switch, since a malfunction here can disrupt the cruise control system's operation. Following this, check the cruise control button for any faults that may prevent it from engaging properly. It's also essential to examine the control module, sensor, and throttle, as these components are frequently implicated in cruise control failures. Don’t forget to check for a blown fuse, as this can easily disable the system. If you’ve recently installed a remote starter, ensure there are no conflicts between the two systems. Finally, if all else fails, consider resetting the system or replacing the radar module if necessary. By following this structured diagnostic approach, you can efficiently identify and resolve the issues affecting your cruise control system.

What common issues cause cruise control failure in a 2002 Hyundai Santa Fe?

When diagnosing cruise control failure in a 2002 Hyundai Santa Fe, it's essential to consider several common problems that could be affecting the system. One of the primary culprits is a malfunctioning control module, which can disrupt the entire cruise control operation. Additionally, issues with the throttle actuation can prevent the system from maintaining speed, while a faulty throttle position sensor may lead to erratic engine behavior, such as excessive fuel consumption and black exhaust. The brake light switch is another critical component; if it fails, it can inadvertently signal the cruise control to disengage. Furthermore, blown fuses or defective brake pedal switches can also hinder functionality. In older models, a broken vacuum line may be a hidden issue that affects the cruise control system's performance. By systematically checking these components, DIYers can effectively troubleshoot and potentially resolve cruise control issues in their Hyundai Santa Fe.

How urgent is it to address the non-functioning cruise control in a 2002 Hyundai Santa Fe?

When evaluating the urgency of fixing a non-functioning cruise control in a 2002 Hyundai Santa Fe, it's crucial to weigh the implications of neglecting the issue. While a malfunctioning cruise control may not present an immediate safety hazard, it can significantly impact your driving experience, especially during long trips where maintaining speed becomes a chore. Ignoring the problem could lead to increased fatigue and discomfort, which may distract you from the road. Additionally, the underlying causes of cruise control failure—such as faulty sensors, blown fuses, or electrical issues—could potentially escalate into more severe problems if left unaddressed. Therefore, while it may not be an emergency, timely diagnostics and repairs are advisable to ensure your vehicle remains safe and comfortable for all driving conditions. Taking proactive steps can help you avoid more extensive repairs down the line and maintain the convenience that cruise control offers.

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.