can a bad ecu cause transmission to only go drive in all gears
#2
The LS400 does not have a dedicated transmission control computer as many manufacturers like Ford do. It's all controlled by the ECM. So the answer is yes, a bad ECM can do many many bad and weird things.
#3
Pole Position
If the OD light is on you can check the codes to point you in the right direction. Might be a shift solenoid you can change.
http://www.lexls.com/tutorials/intro/codereading.html
http://www.lexls.com/tutorials/intro/codereading.html
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12-29-07 12:07 AM