Acura ILX Speedometer Isn't Working

Common Causes of a Malfunctioning Speedometer in Your Acura ILX and How to Fix It

Find Repair Location
Reviewed by
Bo Fader
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 Acura ILX 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.

Troubleshooting Speedometer Issues in an Acura ILX

When troubleshooting speedometer issues in your Acura ILX, it's crucial to follow a structured diagnostic approach that prioritizes simpler fixes before tackling more complex problems. Begin by checking the relevant fuses, specifically fuse 4 and 10 under the steering column, as well as fuse 9 located under the hood. A blown fuse can often lead to electrical malfunctions that affect the speedometer's performance. If the fuses are in good condition, the next step is to inspect the Vehicle Speed Sensor (VSS), a frequent culprit behind speedometer failures. A malfunctioning VSS can disrupt the signal sent to the speedometer, resulting in inaccurate readings. Additionally, examine the wiring and connections for any signs of looseness or damage, as these issues can also contribute to speedometer malfunctions. If both the speedometer and odometer are not functioning while the tachometer is operational, this may indicate a specific problem with the speedometer itself. For those who have recently purchased a used Acura ILX, it is particularly important to investigate any pre-existing speedometer issues thoroughly to ensure a proper resolution. By adhering to this methodical approach, you can effectively diagnose and address the root cause of your speedometer problems.

What to Check When the Speedometer Isn't Working in an Acura ILX?

When your Acura ILX speedometer stops working, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is the Vehicle Speed Sensor (VSS), which is responsible for relaying speed information to the speedometer. If the VSS is faulty or disconnected, the speedometer may fail to register your speed. Additionally, the speedometer itself could be malfunctioning due to internal issues, which may require replacement. Electrical problems, such as blown fuses or wiring issues, can also disrupt the speedometer's functionality. To start diagnosing the problem, check fuse #15 under the dashboard to ensure it is intact, and inspect the VSS located at the rear of the transmission for any visible damage or disconnection. If these components appear to be in good condition, consider the possibility of a more complex electrical issue or a defective speedometer unit. By systematically checking these common issues, you can identify the root cause of the malfunction and take the necessary steps to restore your speedometer's functionality.

Why is the Speedometer Not Working in an Acura ILX?

When the speedometer in your Acura ILX stops functioning, it’s crucial to address the issue promptly to avoid potential safety hazards and costly repairs. A malfunctioning speedometer can lead to inaccurate speed readings, which may result in speeding violations or dangerous driving conditions. Common culprits include a faulty vehicle speed sensor (VSS), which is essential for relaying speed data, or issues with the speedometer gauge itself. Additionally, electrical problems such as corroded wiring or a blown fuse can exacerbate the situation. Ignoring these symptoms not only compromises your ability to monitor your speed but can also indicate deeper issues within the vehicle’s electrical system or instrument cluster. Therefore, diagnosing and resolving the problem quickly is vital for maintaining safe driving conditions and ensuring the longevity of your Acura ILX.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.