1992 Dodge D150 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1992 Dodge D150 and How to Fix Them

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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 1992 Dodge D150 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 1992 Dodge D150 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 1992 Dodge D150?

When troubleshooting the non-functioning cruise control in a 1992 Dodge D150, it's essential to adopt a systematic diagnostic approach. Start by checking the fuse associated with the cruise control system, as a blown fuse can often be the simplest issue to resolve. Next, inspect the cruise control switch located on the steering wheel; ensure it is functioning correctly, as a faulty switch can prevent the system from engaging. Following this, verify the condition of the cruise control module, which is crucial for the system's operation. Additionally, examine the vacuum lines connected to the cruise control system for any signs of leaks or damage, as these can significantly impact performance. Finally, test the cruise control servo to ensure it is responding appropriately to commands. By methodically working through these steps, you can effectively diagnose and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1992 Dodge D150?

When troubleshooting the cruise control system in a 1992 Dodge D150, it's essential to identify the common problems that may be causing it to malfunction. Start by checking the fuse, as a blown fuse can completely disable the cruise control, making it an easy fix. Next, examine the cruise control switch; if it's faulty, the system may not engage or disengage as intended. Additionally, inspect the vacuum lines for leaks, as any disruption in the vacuum system can hinder cruise control operation. The speed sensor is another critical component; if it fails, the cruise control may struggle to maintain a steady speed. It's also important to verify the functionality of the brake light switch, as issues here can prevent the cruise control from engaging or disengaging properly. Lastly, check the throttle cable for any malfunctions, as this can significantly impact the cruise control's ability to maintain speed. By methodically assessing these components, you can effectively diagnose and resolve the cruise control issues in your Dodge D150, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 1992 Dodge D150 to ensure safe driving?

While the non-functioning cruise control in a 1992 Dodge D150 may not seem like an urgent issue, it is essential to recognize the potential consequences of delaying repairs. Cruise control, although a convenience feature, plays a significant role in enhancing the driving experience, especially during long trips. A malfunctioning system can lead to distractions or unexpected speed changes, which could compromise safety on the road. Common causes of cruise control failure include blown fuses, faulty switches, or issues with the speed sensor, all of which can escalate if left unaddressed. Therefore, while you can still operate your vehicle safely without cruise control, it is advisable to resolve the issue promptly to avoid any inconveniences or safety concerns in the future. Taking proactive steps to repair the cruise control system not only ensures a smoother driving experience but also mitigates the risk of more significant problems down the line.

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1992 Dodge D150 Cruise Control Issues & Repair Costs