2025 Subaru Legacy Speedometer Isn't Working

Common Causes of a Malfunctioning Speedometer in Your 2025 Subaru Legacy and How to Fix It

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Reviewed by
Aisha
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 2025 Subaru Legacy 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 2025 Subaru Legacy?

To effectively diagnose a non-functioning speedometer in your 2025 Subaru Legacy, begin with the simplest solutions before progressing to more complex diagnostics. Start by checking the fuse associated with the speedometer in the fuse box, as a blown fuse is a common and easily fixable issue. If the fuse is intact, move on to inspect the speed sensor located on the transmission; ensure it is not damaged or disconnected, as this component is crucial for relaying speed data. Next, examine the wiring connections linked to the speedometer for any signs of looseness, damage, or corrosion, as faulty wiring can disrupt the signal. If these preliminary checks do not resolve the problem, you may need to test the speedometer cluster itself for internal faults. Should you find that these steps do not lead to a solution, it may be time to consult a professional mechanic for a comprehensive diagnosis. By following this structured approach, you can systematically identify and address the issue with your speedometer.

What are the common problems that could cause the speedometer to stop working in a 2025 Subaru Legacy?

When your 2025 Subaru Legacy's speedometer stops working, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty vehicle speed sensor, which is responsible for relaying speed information to the speedometer. If this sensor malfunctions, it can result in inaccurate readings or a complete failure of the speedometer. Additionally, the speedometer itself may be defective, requiring repair or replacement. It's also important to check for bad wiring or connections, as any disruptions in the electrical system can hinder the speedometer's functionality. A blown fuse related to the speedometer can also cause it to stop working, so inspecting the vehicle's fuse box is a crucial step. Lastly, issues with the instrument cluster, where the speedometer is housed, can lead to failure as well. By systematically checking these components, you can identify the root cause of the problem and take the necessary steps to restore your speedometer's functionality.

How urgent is it to repair the non-functioning speedometer in a 2025 Subaru Legacy?

Repairing a non-functioning speedometer in your 2025 Subaru Legacy is an urgent matter that should not be overlooked. Firstly, from a legal standpoint, driving without a functioning speedometer can lead to fines and penalties, as it is a requirement for safe driving on public roads. Additionally, the safety risks associated with a malfunctioning speedometer are significant; without accurate speed readings, you may inadvertently exceed speed limits or drive at unsafe speeds, increasing the likelihood of accidents. Furthermore, the speedometer plays a crucial role in monitoring your vehicle's performance, and ignoring this issue could mask other underlying problems that may affect your car's overall functionality. Lastly, if you plan to sell your vehicle in the future, a non-working speedometer can diminish its resale value, making it less appealing to potential buyers. Therefore, addressing the speedometer issue promptly is essential for ensuring compliance, safety, and maintaining the integrity of your vehicle's performance and value.

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