PO78 Shift Sel Circuit B Electrical?
07-16-2009, 08:05 AM
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PO78 Shift Sel Circuit B Electrical?
getting this code. and the trans is shifting funny.
doesnt slip, just randomly goes from 1st to 3rd or 4th at 12mph or sometimes wont shift into 2nd, if you wind it up enough it goes from 1st to 3rd, and about 2 seconds later into OD.
CHecked all the wires on the trans.
What should I check next?
doesnt slip, just randomly goes from 1st to 3rd or 4th at 12mph or sometimes wont shift into 2nd, if you wind it up enough it goes from 1st to 3rd, and about 2 seconds later into OD.
CHecked all the wires on the trans.
What should I check next?
Last edited by roundhouse; 07-16-2009 at 03:05 PM.
07-16-2009, 11:13 AM
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Drain transmission fluid.
Drop the transmission pan.
Replace affected shift solenoid.
Install pan.
Replace fluid.
Profit.
Let me Google that for you.
Drop the transmission pan.
Replace affected shift solenoid.
Install pan.
Replace fluid.
Profit.
Let me Google that for you.
07-16-2009, 03:07 PM
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Drain transmission fluid.
Drop the transmission pan.
Replace affected shift solenoid.
Install pan.
Replace fluid.
Profit.
Let me Google that for you.
Drop the transmission pan.
Replace affected shift solenoid.
Install pan.
Replace fluid.
Profit.
Let me Google that for you.
I assume it the one for 2nd gear since thats the one thats mostly affected.
it sometimes skips 2nd and shifts from 1st to 3rd at about 8 mph or winds up to 4000 rpm and goes from 1st to 4th
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