Speedometer, mileage and cruise control stopped working?

Tiny
STRAIT53566
  • MEMBER
  • 1998 PLYMOUTH NEON
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 137,000 MILES
Today I was driving home from work and the speedometer stopped working and so did the mileage and cruise control, but temperature gauge and gas and tachometer gauge still work. I can't find any fuses in the book that says they run those instruments?
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Thursday, April 2nd, 2009 AT 6:16 PM

1 Reply

Tiny
SQM
  • EXPERT
Hello,

It sounds like you have an issue with the vehicle speed sensor (VSS).
The VSS is located on the side of the transmission (see diagrams below).
It measures the rotation of the transmission shaft and sends that data to the ECM and that gets converted to the speedometer reading.

First make sure that you are getting 8V power to the sensor. Check the connector for any corrosion or looseness.
If you have adequate power and the connection looks good then it is likely a bad sensor.

To replace the sensor you will have to take the single mounting bolt.

Here is a helpful video:

https://youtu.be/f3bETtCIdxM

I have attached diagrams for your reference.

Please let me know of any questions.
Thank you.
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Monday, September 20th, 2021 AT 12:06 PM

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