2005 Hyundai Accent Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2005 Hyundai Accent 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 2005 Hyundai Accent 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 2005 Hyundai Accent 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.

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.

What are the first steps to diagnose cruise control issues in a 2005 Hyundai Accent?

When diagnosing cruise control issues in a 2005 Hyundai Accent, it's essential to adopt a systematic diagnostic approach. Start by checking the fuses related to the cruise control system, as a blown fuse can often be the simplest fix. Next, assess the condition of the brake pedal and throttle body, since any malfunction in these components can directly impact cruise control functionality. Utilizing a scanner to verify the operation of the speed sensor is also crucial, as it can reveal underlying problems that may not be immediately apparent. Pay attention to any warning messages or lights on the dashboard, such as "Check driver assistance system," which may indicate a need for professional inspection. If the cruise control light is illuminated but the system fails to engage when the "set" button is pressed, this could signal a fuse issue or other component failure. Additionally, ensure that the brake lights are functioning properly, as faulty bulbs can disrupt cruise control operation. By following these steps, you can effectively troubleshoot and potentially resolve cruise control issues, making your DIY experience more successful.

What common issues cause cruise control failure in a 2005 Hyundai Accent?

When diagnosing cruise control failure in a 2005 Hyundai Accent, it's important to consider several common problems that could be at play. Start by checking the fuses related to the cruise control system, as a blown fuse can disrupt the power supply and lead to malfunction. Next, inspect the brake pedal sensor, which plays a critical role in the engagement of cruise control; if this sensor is faulty, it may prevent the system from activating. Additionally, examine the brake lights and the brake switch, as issues here can also interfere with cruise control functionality. Lastly, be aware that the presence of a check engine light or other engine-related issues can impact the operation of the cruise control system. By systematically addressing these potential problems, you can effectively troubleshoot and restore the cruise control functionality in your Hyundai Accent.

How urgent is it to repair the non-functioning cruise control in a 2005 Hyundai Accent?

When considering the urgency of repairing the non-functioning cruise control in a 2005 Hyundai Accent, it's essential to recognize the potential consequences of neglecting this issue. While it may not seem critical at first glance, a malfunctioning cruise control system can lead to safety concerns, particularly during long drives where maintaining a consistent speed is crucial. The inconvenience of having to manually adjust your speed can distract you from the road, increasing the risk of accidents. Additionally, a faulty cruise control system can impact other vehicle performance aspects, such as acceleration and speedometer accuracy, which could lead to more significant mechanical issues if left unaddressed. By prioritizing the repair, you not only enhance your driving comfort but also engage in preventive maintenance that can save you from costly repairs in the future. Therefore, while it may not be an immediate emergency, addressing the cruise control malfunction promptly is advisable to ensure your vehicle operates safely and efficiently.

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