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Malfunctioning speedometer

PostPosted: Mon Mar 21, 2016 5:36 am
by silverEG8
Hello civic-eg,

My speedometer is not functioning. It started out as sort of a glitch, where my speedometer needle would fluctuate at times whenever it would come across potholes. But just last Saturday, My wife and I went to the doctor for a check up, during the trip, funny that I didn't notice the speedometer needle wasn't running anymore, because my trip meter didn't register the trip with my wife going to the doctor.

I had my vehicle speed sensor checked and found out that it wasn't busted at all. So the problem is cut down into four areas, the plug, the wiring, the speedometer gauge, and the mechanism in the transmission which connects the speed sensor. Is my analysis correct? I hope you can help me with this.

Any suggestions as to what I must do?

Thanks a lot.

Re: Malfunctioning speedometer

PostPosted: Mon Mar 21, 2016 3:08 pm
by teal_dx
Sounds correct to me. The VSS is usually the culprit, but a faulty VSS will give a check engine light. So I'd start by checking the wiring and then the gauge itself. I've never heard of the mechanism in the transmission failing, so I think you're safe there.

Re: Malfunctioning speedometer

PostPosted: Tue Mar 22, 2016 12:24 am
by silverEG8
Thanks a lot Teal, I failed to notice the check engine too. Haha. I have a hunch it is in the wiring, or probably the gauge... though I just replaced the gauge cluster with a JDM surplus two years ago.

Re: Malfunctioning speedometer

PostPosted: Tue Mar 22, 2016 3:19 am
by TrailerTrash
my womans first civic had this exact same problem. turned out to be one of the pins in the engine harness side of the VSS plug. it had corroded away to nothing

Re: Malfunctioning speedometer

PostPosted: Tue Mar 22, 2016 3:24 am
by silverEG8
TrailerTrash wrote:my womans first civic had this exact same problem. turned out to be one of the pins in the engine harness side of the VSS plug. it had corroded away to nothing


Thanks for the info Trailer, I will check the VSS plug.

Re: Malfunctioning speedometer

PostPosted: Wed Mar 23, 2016 12:20 am
by silverEG8
Finally, I was able to fix the vehicle speed sensor. I just cleaned out the old dried-up grease inside the VSS and replaced it with a new one.

Re: Malfunctioning speedometer

PostPosted: Wed Mar 23, 2016 3:18 am
by TrailerTrash
right on man