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For a little while now the speedometer in my <NOBR style="FONT-SIZE: 100%; FONT-WEIGHT: normal" id=itxt_nobr_0_0>truck</NOBR>, when going over some larger bumps in the road has been occasionally freaking out and going down to zero then back up to whatever speed I am going. Today though while driving about 15-20mph through the neighborhood the speedometer just went down to zero and stayed there, then the transmission started slipping badly and the ABS light came on. I stopped the truck, shut it off and sat there for a second- then started it up and it seemed normal- but then it did it again on the way home. When the speedo goes down to zero the transmission just starts slipping badly- then it will bounce back up and the truck will shift great and run fine- its really strange. The ABS light seems to be staying on- im not sure if this is related or not. The tranny fluid is relatively clean and at the right point on the dipstick....HELP GUYS! I'm new to these trucks. <!-- / message --><!-- BEGIN TEMPLATE: ad_showthread_firstpost_sig --><!-- END TEMPLATE: ad_showthread_firstpost_sig -->
UPDATE: I took the truck for a long trip today and at around the halfway point it started having the same symptoms- I already replaced the VSS- it only does it when going over a large bump in the road...