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5speed and Auto tran. cars is the ECU interchangable?

679 views 6 replies 5 participants last post by  G96nt 
#1 ·
I need a straight answer. I need to know if a Ecu from a 5-speed and an auto trans is interchangable?
 
#4 ·
You can switch them, but only if you like your car to run like absolute dog crap.
 
#7 ·
I've never looked, but do saabs have a seperate T(ransmission)CU?

Some manufacturers code the trans operation into the main ECU, others, have a seperate computer just for the trans.

What about the ECUs make them non-interchangable?
 
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