2018 Ford Transit-150 Speedometer Isn't Working

Speedometer Not Working in 2018 Ford Transit-150: Causes and Solutions

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Vehicle Speed Sensor (VSS)
0%
28% chance it's the
Speedometer
0%
23% chance it's the
Electrical Issue
0%
14% chance it's
Something else
The most common reasons a 2018 Ford Transit-150 speedometer isn't working are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
  • Vehicle Speed Sensor (VSS): A faulty vehicle speed sensor can result in inaccurate speed readings and erratic transmission shifting.
  • Speedometer: A faulty speed sensor or a broken connection in the speedometer circuit can result in inaccurate speed readings.
  • Electrical Issue: A blown fuse or a short circuit in the wiring can cause various electrical issues in the vehicle's systems.
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.

What are the steps to diagnose a non-functioning speedometer in a 2018 Ford Transit-150?

To effectively diagnose a non-functioning speedometer in a 2018 Ford Transit-150, begin with the simplest potential issues. Start by checking the fuse associated with the speedometer in the fuse box, as a blown fuse can easily disrupt its operation. If the fuse is intact, proceed to inspect the speed sensor located on the transmission; this component is crucial for relaying speed data to the speedometer. Look for any signs of damage or disconnection. Next, examine the wiring connections to both the speed sensor and the speedometer itself, ensuring that all wires are secure and free from damage. If everything appears intact, utilize an OBD-II scanner to check for any error codes that may indicate underlying issues with the speedometer or its sensor system. Finally, take the vehicle for a test drive to observe the speedometer's response; if the needle remains stuck or fails to register speed accurately, it may suggest an internal malfunction within the speedometer. By following this structured approach, you can systematically identify and address the root cause of the speedometer issue.

What are the common problems that could cause the speedometer to stop working in a 2018 Ford Transit-150?

When the speedometer in a 2018 Ford Transit-150 ceases to function, several common problems may be at play. One of the primary culprits is a faulty vehicle speed sensor, which can disrupt accurate speed readings or cause the speedometer to fail entirely. Additionally, a broken speedometer cable can prevent the gauge from displaying the correct speed, making it essential to check for any visible damage. Another potential issue is a blown fuse in the instrument panel, which can easily be inspected and replaced if necessary. Furthermore, problems within the instrument cluster itself, such as wiring issues or malfunctioning gauges, can also lead to a non-operational speedometer. Lastly, in some cases, the speedometer unit may be defective and require replacement. For those looking to tackle this issue themselves, a thorough inspection of these components can help identify the root cause and guide the necessary repairs.

How urgent is it to repair the non-functioning speedometer in a 2018 Ford Transit-150?

When considering the urgency of repairing a non-functioning speedometer in a 2018 Ford Transit-150, it is crucial to recognize the potential consequences of neglecting this issue. A malfunctioning speedometer not only compromises your ability to adhere to legal speed limits, which can result in fines or penalties, but it also poses significant safety risks. Without accurate speed readings, you may inadvertently exceed safe driving speeds, increasing the likelihood of accidents. Furthermore, the speedometer is linked to various vehicle systems; thus, its failure could indicate deeper mechanical problems that, if left unaddressed, may lead to costly repairs or even complete vehicle failure. Additionally, for those considering selling their vehicle, a broken speedometer can deter potential buyers and diminish resale value. Therefore, addressing this repair promptly is essential for ensuring compliance, safety, and the overall integrity of your vehicle.

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2018 Ford Transit-150 Speedometer Malfunction Guide