2017 Subaru Outback Speedometer Isn't Working

Diagnosing the Causes of a Malfunctioning Speedometer in Your 2017 Subaru Outback and How to Fix It

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Reviewed by
Devin Cabugcal
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 2017 Subaru Outback 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 2017 Subaru Outback?

To diagnose a non-functioning speedometer in your 2017 Subaru Outback, begin with the simplest solutions before progressing to more intricate assessments. Start by checking the fuse associated with the speedometer; a blown fuse can easily disrupt its operation. If the fuse is intact, inspect the speed sensor, as it plays a crucial role in relaying speed data to the speedometer. Look for any signs of damage or disconnection. Next, examine the wiring and connections linked to both the speedometer and the speed sensor, ensuring they are secure and undamaged, as loose or frayed wires can lead to signal loss. If these initial checks do not reveal the issue, utilize an OBD-II scanner to identify any error codes that may indicate a malfunction. Should the problem persist, testing the speedometer cluster itself may be necessary to determine if it requires replacement. If all else fails, seeking assistance from a professional mechanic with Subaru expertise can provide the final diagnostic clarity needed to resolve the issue effectively. By following this structured approach, you can systematically identify and address the cause of your speedometer's malfunction.

What are the common problems that could cause the speedometer to stop working in a 2017 Subaru Outback?

When dealing with a non-functioning speedometer in a 2017 Subaru Outback, it's essential to understand the common problems that could be at play. 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 lead to inaccurate readings or a complete failure of the speedometer. Additionally, issues with the wiring connected to the speedometer can disrupt the signal, causing it to stop working properly. Another potential issue is a malfunction within the instrument cluster itself, where the speedometer is housed, which can lead to various display problems. A blown fuse related to the speedometer system is also a common issue that can halt its operation. Lastly, if the speedometer head is faulty, it may require repair or replacement to restore functionality. Understanding these common problems can help you diagnose the issue more effectively, whether you choose to tackle the repair yourself or consult a professional mechanic.

How urgent is it to address the non-functioning speedometer in a 2017 Subaru Outback?

Addressing a non-functioning speedometer in a 2017 Subaru Outback is an urgent matter that should not be overlooked. The speedometer plays a critical role in ensuring that drivers remain compliant with speed limits, thereby avoiding legal repercussions such as fines or license suspension. Moreover, the safety of both the driver and other road users is at stake; without accurate speed readings, drivers may inadvertently exceed safe speeds, increasing the likelihood of accidents. Additionally, the speedometer is linked to various vehicle systems, and neglecting this issue could lead to further complications that may affect the overall performance and efficiency of your Subaru. Lastly, for those considering resale, a malfunctioning speedometer can significantly diminish the vehicle's value, as potential buyers may view it as a red flag. Therefore, it is essential to address this issue promptly to ensure safety, compliance, and the longevity of your vehicle's performance.

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