Lincoln Blackwood Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Lincoln Blackwood and How to Fix Them

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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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a Lincoln Blackwood 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 Lincoln Blackwood 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.

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.

Troubleshooting Cruise Control Issues in a Lincoln Blackwood

When troubleshooting cruise control issues in your Lincoln Blackwood, it's essential to adopt a methodical diagnostic approach. Begin by inspecting the fuses associated with the cruise control system, as a blown fuse is often the simplest and most common issue. Next, examine the brake pedal and throttle body for any signs of wear or malfunction, since these components directly influence cruise control functionality. Utilizing an OBD-II scanner can help you identify any error codes, particularly those related to the speed sensor, which is crucial for the system's operation. If these initial checks do not resolve the issue, consider the condition of the cruise control switches and the brake pedal switch, as faults here can disrupt the system. Additionally, inspect the throttle control system and the ABS for any irregularities. For older models, don’t overlook the possibility of a broken vacuum line, which can also lead to cruise control failure. Lastly, be aware that a check engine light or other engine-related problems may inhibit cruise control operation, so addressing these issues is vital for restoring functionality. By following this structured approach, you can effectively diagnose and resolve cruise control problems in your Lincoln Blackwood.

What Could Cause the Cruise Control to Malfunction in a Lincoln Blackwood?

When dealing with cruise control malfunctions in a Lincoln Blackwood, it's essential to consider several common problems that could be affecting the system. One of the first things to check is the fuses, as a blown fuse can interrupt the power supply to the cruise control, rendering it inoperative. Additionally, the brake pedal position sensor plays a crucial role; if it is faulty, it may prevent the cruise control from engaging. Throttle body issues can also disrupt the system, as can problems with the PRNDL or shifter position switch. For older models, a broken vacuum line is a frequent culprit that can lead to cruise control failure. Other potential issues include defective brake pedal switches, speed sensor malfunctions, and control module or ECM problems. By systematically checking these components, DIYers can effectively diagnose and address the underlying issues, ensuring the cruise control system operates safely and efficiently.

Why is the Cruise Control Not Working in a Lincoln Blackwood?

When the cruise control in your Lincoln Blackwood fails, it’s crucial to address the issue promptly to avoid potential safety hazards and costly repairs. Ignoring symptoms such as unresponsive controls or unexpected disengagement can lead to dangerous driving situations, especially on long trips where maintaining speed is essential. Common culprits like a blown fuse or a faulty brake pedal switch can not only prevent the cruise control from functioning but may also indicate deeper electrical issues that could affect other systems in your vehicle. Additionally, problems with the control module, sensors, or throttle actuator can escalate if left unchecked, potentially leading to more significant engine or transmission damage. Therefore, it’s advisable to conduct a thorough inspection and troubleshooting process as soon as you notice any irregularities in your cruise control system. Taking swift action not only enhances your driving safety but also helps maintain the overall health of your Lincoln Blackwood.

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