Speedometer Not Working: Top 4 Causes and Repair Costs

June 27, 2025

You’re driving through town, but your dash reads zero—then jumps up, then drops again. You know how fast you’re going, but your automobile speedometer sure doesn’t. So what’s going on?

When your speedometer is not working, it’s more than a small glitch. It can throw off your sense of control and may even affect your odometer or cruise control. In this blog, we’ll cover the most common causes, the repairs involved, and how much it costs to fix a speedometer—so you’re not left guessing. Let’s dive in.

What’s Causing Speedometer Malfunctioning—and What Will It Cost?

Let’s break down the most common reasons the speedometer is not working on your car and what to expect when it’s time for repairs:

1. Faulty Speed Sensor (VSS Sensor)

The VSS sensor monitors how fast your wheels spin and sends the signal to your dash. When this fails, your speedometer stops working or reads erratically. A new speedometer sensor, including parts and labor, can cost $100- $250.

2. Damaged Wiring or Connections

The signal from the sensor travels through wires. If the circuit is damaged or corroded, you’ll see your speedometer going up and down or none at all. Wiring repairs can range from $75 to $200, depending on access and the number of connections involved.

3. Broken Instrument Cluster

If both your speedometer and odometer are not working, the issue could be in the cluster itself. The cluster houses the needles and internal electronics. Diagnosing and repairing electrical problems in cars like this can run $300–$800, depending on whether you get a new unit or rebuild it.

4. Software or Computer Faults

Sometimes, the issue lies in the vehicle’s onboard systems. If software errors throw off the speed signal, a certified technician who knows how to reset a speedometer can help. This service usually costs between $175 and $275.

Clarity Starts with Honest Service & Professional Tools

Wondering “Why does the speedometer stop working?” is one thing—knowing what to do next is another. The best solution is to go to a trusted auto repair shop. Qualified technicians can explain the reason your speedometer stopped working clearly and give you multiple solutions when possible. That could mean repairing a corroded wire instead of replacing the whole cluster.

They’ll also show you what failed and let you know if a related issue—like a mileage counter not working or a check engine light meaning—is part of the problem. With transparent pricing and straightforward communication, you’ll have a more realistic idea of the cost of fixing a speedometer. That’s the kind of help that lasts.

Speedometer Repairs Done Right at Fitz’z Automotive Specialists

When your speedometer malfunctions, you need answers that make sense and repairs that actually work. At Fitz’z Automotive Specialists, we don’t just fix what’s broken—we explain why it happened.

We’ve helped drivers around St. Louis for decades, including fixing more than just dash issues. Whether you need brake fluid exchange or auto AC repair, we have the tools and experience to fix it. Reach out today!

SCHEDULE A VISIT

Latest Blogs

Explore Our Recent Posts
A flickering light, one of the key signs of a bad ignition switch.

Recognize the Signs of a Failing Ignition Switch

A laser targeting a wheel, showing the process for wheel alignment or balance.

Alignment vs. Balancing: What Your Car Needs

A close-up showing how to tell if ignition switch is bad by turning the key.

How to Tell if Your Ignition Switch is Bad: A Comprehensive Guide

Dashboard showing what does check engine light mean when it's illuminated.

Understanding Your Check Engine Light: What It Means for Your Car

A mechanic for check engine light diagnostics using an OBD-II scanner.

What Your Car is Trying to Tell You: Understanding the Check Engine Light

Gloved hand showing how to clean off battery corrosion with a protective spray.

Remove Battery Corrosion Safely & Effectively

Call Now Button