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Dashboard Lights and Gauges
Honda Civic LX

Why is your Honda civic lx speedometer not working?

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Wiki User
June 06, 2008 3:03AM

The speedometer in my 2001 Civic stopped working or would reflect very high speeds like 120 mph when I was going about 40 mph. I took it to the mechanic, he tested the speed sensor (which often seems to be the culprit) and said it was working fine. He first thought it might be the instrument cluster, but suggested I try cleaning the corrosion off the battery terminals to "reset" the speedometer first. He didn't want to do it himself b/c of the alarm/radio code. I cleaned them off, and low and behold, the speedometer is working great again. May not work for everyone, but it was an easy fix for me and might be something easy you should try before taking it in.