I have a 2003 caravan that is showing codes P0500 and P1698 and the
speedomater does not work. I replaced the output speed sensor but the
transmission is still in safe mode and I am is getting same codes.
P0500 No vehicle aspeed sensor signal
P1698 No CCD/J1850 messages received from the electronic transmission
control module (EATX) or the Aisin tranmission controller.
There's a problem with the TCM. Did your scanner have the ability to pull
the transmission codes too? or is the TCM dead? or??
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