No speedometer and transmission does not shift out of first gear

23,788 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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BERNADETTE MCFALL
  • MEMBER
  • 1 POST
We had the speed sensor change and it drove good for a day or two but the speedometer stop working and now it does not shift out of first.
Aug 4, 2018 at 6:32 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon.

The reason the transmission will not shift is the speedometer is not sending a signal to the PCM.

The first thing I would check is the connector at the sensor. They are common for failing from either loose pins, damaged pins or burned pins.

Roy

Aug 4, 2018 at 6:58 AM
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