have a code for tranny p1684 speedomter wont work wont shift out of frist gear
Apr 2, 2013 at 5:57 AM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,248 POSTS
P1684 Battery Disconnected in the last 50 Starts
That has nothing to do with the transmission not shifting. Since the speedo isn't working, chances are you have a bad vehicle speed sensor. Check that and let me know what you find.