Ram ProMaster City Speedometer Isn't Working

Diagnosing Common Causes of Speedometer Malfunctions in Your Ram ProMaster City and How to Fix Them

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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 Ram ProMaster City 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 a Ram ProMaster City

When troubleshooting speedometer issues in your Ram ProMaster City, begin by conducting a visual inspection of the dashboard for any warning lights, particularly the check engine light, as this can provide immediate clues about underlying problems. If the light is illuminated, it may indicate a malfunctioning Vehicle Speed Sensor (VSS) or issues with the speedometer itself. Next, check the VSS, which is typically located on the transmission; ensure it is securely connected and free from damage. If you suspect the VSS is faulty, consider testing it with a multimeter or replacing it if necessary. Additionally, inspect the vehicle's electrical system for any loose connections or damaged wiring that could disrupt the speedometer's functionality. If these initial checks do not resolve the issue, it may be prudent to consult a professional mechanic who specializes in Ram vehicles for a more thorough diagnosis. This step-by-step approach not only helps in identifying the problem efficiently but also empowers you to tackle the issue with confidence.

What to Check When the Speedometer Isn't Working in a Ram ProMaster City?

When your Ram ProMaster City's speedometer stops functioning, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. Start by examining the Vehicle Speed Sensor (VSS), as this component is often the primary culprit behind speedometer failures. If the VSS is faulty or disconnected, it can lead to inaccurate readings or a complete loss of speedometer function. Additionally, consider the possibility of a defective speedometer unit itself; internal malfunctions can prevent it from displaying speed correctly. Lastly, don't overlook electrical issues, as wiring problems or blown fuses can disrupt the signal between the VSS and the speedometer. By systematically checking these components, you can identify the root cause of the issue and take the necessary steps to restore your speedometer's functionality.

Why is the Speedometer Not Working in a Ram ProMaster City?

When the speedometer in your Ram ProMaster City stops functioning, it’s crucial to address the issue promptly to avoid potential safety hazards and further vehicle damage. A malfunctioning speedometer can lead to inaccurate speed readings, which may result in speeding violations or unsafe driving conditions. The primary suspects for this problem often include the Vehicle Speed Sensor (VSS), which is responsible for relaying speed data to the vehicle's computer, or an electrical issue that could affect the speedometer gauge itself. Additionally, a blown fuse may also be the culprit, especially if other dashboard indicators are functioning normally. Ignoring these symptoms not only compromises your ability to monitor your speed but could also lead to more extensive repairs down the line. Therefore, it’s advisable to conduct a thorough inspection of the VSS, electrical connections, and fuses to ensure your vehicle remains safe and operational.

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