I own a 02 pt cruiser. The speedometer and tachnometer stopped working. What is cause this? How do I fix it?

I own a 02 pt cruiser. After jump starting, the speedometer&tachometer doesn't move up anymore, stays at nothing. Everthing else powers up just fine. All the lcd's on the dashboard lights up properly. The needles on the speedometer&tachnometer moves from sour position to zero when I turn on the ignition. Therefore power is not a problem. I am hoping I can fix this by myself, instead of going to a mechanic where on earth I might be tricked into replacing the whole drop board when I don't need to.

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Answers:    This happen frequently when the power is interrupted. It is caused by the computers surrounded by the car losing communication over the ccd bus splash. To reset the computers and re-establish communication, disconnect both battery cable. Then hold the two cable ends together for 10 seconds.(if they won't accomplish, use a wrench to span the gap). Then reconnect the battery cable and test. This should fix it briskly. This happens once or twice a week at my shop and this repair have never failed to work. Hope this help.

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The speedometer is driven off the Vehicle Speed Sensor (VSS) and repeatedly accounts for it not working. But contained by your case it sounds resembling some troubleshooting will be needed to see why the VSS is not registering on the speedometer. See the website below.

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