It is a 2001 dodge caravan se, 3.3l engine.
The initial problem
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all the indicator lights (PRN3DL) would come on when it is started.
Sometimes when I shift gears, it will move to define the R or D or N,
etc. Other times all the lights will come on so you do not know where
the shift position actually is. The shift itself and the transmission
seem to go into position properly, it is the indicator that is messed
up. Sometimes you know it is in D, but L will come on. Sometimes the
van will not move as a result. Othertimes you can move through the
gears and it will display properly.
Once it is gear and moving, it all seems to work exactly as it should
from the perspective of the automatic shifting, etc under all
different loads, speeds, and acceleration.It has about 93K on it and
the transmission oil was changed at about
45K.
I just replaced the transmission control module with a used, but
tested one.
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My issue with the selection indicators is gone. BUT now it will not
shift out of second gear (maybe 3rd - not sure - for sure no
overdrive). The girlfriend said it started doing this last week before
I got the new module....
It throws and error code P01 1768 with the new module.
Wondering if it needs reprogramming (same part number and year) or if
I now have a secondary issue....
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