1995 Saturn SC1 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 1995 Saturn SC1

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Reviewed by
Devin Cabugcal
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 1995 Saturn SC1 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 1995 Saturn SC1 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 1995 Saturn SC1?

When troubleshooting the non-functioning cruise control in a 1995 Saturn SC1, it's essential to adopt a systematic diagnostic approach. Begin by checking the fuse associated with the cruise control system, as a blown fuse can easily disrupt its operation. Next, inspect the cruise control switch to ensure it is functioning correctly; a faulty switch can often be the culprit behind the issue. Following this, examine the brake pedal switch, which is vital for disengaging the cruise control when the brakes are applied; make sure it is operational and not stuck. Additionally, assess the speed sensor, as it provides critical data to the cruise control system, and any malfunction here can lead to functionality problems. Lastly, check for vacuum leaks in the system, as these can significantly impact the cruise control's performance. By methodically working through these steps, you can effectively diagnose and potentially resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1995 Saturn SC1?

When troubleshooting the cruise control system in a 1995 Saturn SC1, it's essential to consider several common problems that could lead to its failure. One of the first things to check is the fuse; a blown fuse can easily disrupt the entire system. If the fuse is intact, the next step is to inspect the cruise control switch, as a faulty switch may prevent the system from engaging or disengaging properly. Additionally, vacuum leaks can significantly impact the cruise control's functionality, as they can lead to a loss of necessary vacuum pressure. Another critical component to examine is the speed sensor; if it is defective, the cruise control may struggle to maintain a constant speed. Furthermore, issues with the brake light switch can also interfere with the system, as it is designed to disengage when the brakes are applied. Lastly, don’t overlook the throttle cable, as any malfunction here can hinder the cruise control's ability to maintain the desired speed. By systematically checking these components, you can effectively diagnose and address the issue, restoring the cruise control functionality in your Saturn SC1.

How urgent is it to repair the non-functioning cruise control in a 1995 Saturn SC1?

When evaluating the urgency of repairing the non-functioning cruise control in your 1995 Saturn SC1, it's essential to recognize that while it may not be as critical as other systems like brakes or steering, it still warrants prompt attention. A malfunctioning cruise control system can compromise safety by causing erratic speed changes, which may lead to dangerous driving conditions. Additionally, the absence of this feature can significantly detract from the convenience of long drives, increasing driver fatigue as you constantly manage speed manually. Furthermore, a properly functioning cruise control can enhance fuel efficiency by maintaining a steady speed, potentially saving you money at the pump over time. Lastly, if you ever consider selling your vehicle, having all features operational, including cruise control, can positively influence its resale value. Therefore, while it may not be an immediate emergency, addressing the cruise control issue is advisable to ensure a safer, more comfortable driving experience and to protect your investment in the vehicle.

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