2012 Subaru Impreza Speedometer Isn't Working

Diagnosing Common Causes of Speedometer Malfunctions in Your 2012 Subaru Impreza and How to Fix Them

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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 2012 Subaru Impreza 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 behavior.
  • 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.
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 best Subaru repair shops?

RepairPal Certified shops can diagnose and repair your 2012 Subaru Impreza electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
30 Certified Locations
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Tuffy Tire & Auto Service Center - Grandview

4.7
(85)
2.39 mi
1524 W 5th Ave
Columbus, OH
Open
Closes 5:00 PM
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Excite Auto Repair & Towing

4.4
(15)
5.94 mi
3430 Westerville Road
Columbus, OH
Open
Closes 6:00 PM
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All In Auto Service

4.9
(25)
6.56 mi
5200 Fisher Road
Columbus, OH
Open
Closes 6:00 PM
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Tuffy Tire & Auto Service - Grove City

4.4
(520)
6.67 mi
2131 Stringtown Rd
Grove City, OH
Open
Closes 6:00 PM
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See All 30 Locations

What are the steps to diagnose a non-functioning speedometer in a 2012 Subaru Impreza?

To effectively diagnose a non-functioning speedometer in a 2012 Subaru Impreza, it’s crucial to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the Vehicle Speed Sensor (VSS), as this component is frequently responsible for speedometer malfunctions. If the VSS is operational, the next step is to inspect the speedometer unit itself for any signs of damage or failure, which may require replacement. Following this, check the electrical connections related to the speedometer; loose or corroded wires can lead to inaccurate readings. Additionally, assess the speedometer gear for any signs of wear or breakage, as a faulty gear can significantly impact speedometer performance. If you notice symptoms associated with OBDII code P0500, such as erratic speed readings or issues with cruise control, this could further indicate a problem with the VSS. By methodically following these steps, you can effectively pinpoint and address the issues affecting your speedometer, ensuring a more reliable driving experience.

How urgent is it to address the non-functioning speedometer in a 2012 Subaru Impreza?

Addressing a non-functioning speedometer in your 2012 Subaru Impreza is not just a matter of convenience; it is a pressing safety concern that requires immediate attention. A malfunctioning speedometer can lead to inaccurate speed readings, increasing the risk of speeding and potential accidents. This is particularly critical as it can compromise your ability to adhere to speed limits, putting both you and other road users at risk. Moreover, the speedometer issue may indicate underlying problems, such as a faulty speed sensor, which, if left unaddressed, could escalate into more significant mechanical failures. Legal compliance is another crucial factor; driving without a functioning speedometer can result in fines or penalties if stopped by law enforcement. Additionally, the speedometer plays a vital role in the overall performance of your vehicle, affecting systems like the transmission and engine control module. Neglecting this issue could lead to further complications, ultimately impacting your vehicle's reliability and safety. Therefore, it is essential to prioritize the repair of your speedometer to ensure safe driving and maintain the integrity of your Subaru Impreza.

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