2019 Fiat 124 Spider Speedometer Isn't Working

Common Causes of Speedometer Malfunctions in Your 2019 Fiat 124 Spider 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 2019 Fiat 124 Spider 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 2019 Fiat 124 Spider?

To effectively diagnose a non-functioning speedometer in a 2019 Fiat 124 Spider, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the fuse associated with the speedometer in the fuse box, as a blown fuse is a common and easily fixable issue. If the fuse is intact, the next step is to inspect the speed sensor located on the transmission; ensure there are no visible damages or loose connections that could hinder its performance. Following this, examine the wiring linked to both the speed sensor and the speedometer for any signs of wear, corrosion, or disconnections, as faulty wiring can disrupt the signal transmission. If these components appear to be in good condition, utilize an OBD-II scanner to check for any error codes that may indicate specific problems within the speedometer system. Finally, if all previous checks yield no results, test the speedometer unit itself to determine if it requires repair or replacement. By following this structured diagnostic approach, you can efficiently identify and resolve the issue with your speedometer.

What are the common problems that could cause the speedometer to stop working in a 2019 Fiat 124 Spider?

When the speedometer in a 2019 Fiat 124 Spider ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which is responsible for relaying speed data to the speedometer; if this sensor fails, it can result in inaccurate or nonexistent speed readings. Additionally, issues with the wiring connected to the speedometer can disrupt the signal, leading to malfunctions. Another potential issue is a malfunction within the instrument cluster itself, which may involve a blown fuse or internal component failure that affects the speedometer's operation. Furthermore, a defective vehicle speed sensor can also impede the speedometer's ability to display accurate information. Lastly, if the speedometer cable is damaged or broken, it can prevent the speedometer from functioning correctly. Addressing these issues promptly is crucial for safe vehicle operation and compliance with traffic regulations, and while some DIY enthusiasts may feel comfortable troubleshooting these problems, consulting a qualified mechanic is advisable for a thorough diagnosis and repair.

How urgent is it to repair the non-functioning speedometer in a 2019 Fiat 124 Spider?

Repairing a non-functioning speedometer in your 2019 Fiat 124 Spider should be treated as an urgent matter due to several critical factors. Firstly, from a legal standpoint, driving without a functioning speedometer can lead to fines or penalties, as it hinders your ability to monitor your speed accurately. This not only puts you at risk of legal repercussions but also compromises your safety on the road. A malfunctioning speedometer can prevent you from gauging your speed, increasing the likelihood of accidents or unsafe driving conditions. Additionally, the speedometer is interconnected with other vehicle systems; thus, its failure may signal deeper mechanical issues that could affect your car's overall performance. Lastly, if you ever consider selling or trading in your Fiat, a non-working speedometer can significantly diminish its resale value. Given these considerations, it is advisable to prioritize the repair of your speedometer to ensure compliance with the law, maintain safety, and protect your investment in the vehicle.

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