2015 Ram C/V Speedometer Isn't Working

Diagnosing the Causes of a Non-Functional Speedometer in Your 2015 Ram C/V and How to Fix It

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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 2015 Ram C/V 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 2015 Ram C/V?

To effectively diagnose a non-functioning speedometer in a 2015 Ram C/V, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by examining the speed sensor, as it plays a crucial role in relaying speed data to the speedometer. Testing the sensor for faults or damage can often reveal the root of the problem. Next, inspect the wiring and connections associated with the speedometer; look for any loose connections, frayed wires, or signs of corrosion that could disrupt signal transmission. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues related to the speedometer or speed sensor. If the speedometer cluster itself is suspected to be malfunctioning, testing it to ensure it receives the correct signals is essential. Should these steps fail to resolve the issue, seeking assistance from a professional mechanic with experience in speedometer diagnostics is advisable. This structured approach not only simplifies the troubleshooting process but also enhances the likelihood of identifying and rectifying the issue efficiently.

What are the common problems that could cause the speedometer to stop working in a 2015 Ram C/V?

When the speedometer in a 2015 Ram C/V ceases to function, several common problems may be at play. One of the primary culprits is a faulty vehicle speed sensor, which can lead to either inaccurate speed readings or a complete failure of the speedometer. Additionally, the speedometer gauge itself may be defective, resulting in similar issues. Electrical problems, such as blown fuses or wiring malfunctions, can also disrupt the speedometer's operation. Furthermore, an instrument cluster malfunction can affect the speedometer's performance, as this is where the gauge is housed. Lastly, damaged or corroded wiring connected to the speedometer can prevent it from working correctly. Addressing these issues promptly is crucial for maintaining safe driving conditions and ensuring accurate speed monitoring.

How urgent is it to address the non-functioning speedometer in a 2015 Ram C/V?

Addressing a non-functioning speedometer in a 2015 Ram C/V is of utmost urgency due to the significant risks it poses. Firstly, without a functioning speedometer, drivers are at a heightened risk of exceeding speed limits unknowingly, which can lead to legal repercussions such as fines or traffic violations. Moreover, the absence of accurate speed readings compromises safety, as drivers may inadvertently drive at unsafe speeds, increasing the likelihood of accidents. Additionally, a malfunctioning speedometer can indicate deeper issues within the vehicle's systems, potentially leading to further mechanical problems that could affect overall performance. Lastly, for those considering resale, a non-functioning speedometer can detract from the vehicle's value, as prospective buyers often seek assurance that all components are operational. Therefore, it is crucial to address this issue promptly to ensure safe, legal, and efficient operation of the vehicle.

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