Good afternoon,
The fuel pump has no connection to the transmission codes. They are separate.
As far as the shop that did the work, if you paid by credit card, stop the payment through the card. If you paid by check, stop payment on the check. It has to be within 30 days.
As far as the fuel pump, if the wires are damaged, it may not be the pump. Did the dealer verify it was definitely the pump?
Looks like you have a wiring harness issue with the transmission. None of the codes are related to the fuel pump.
Roy
700
General transmission code. It means there is another code set.
706 is below. This looks like a wiring issue.
888 is below as well.
882 is the same as 88.
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Thursday, December 12th, 2019 AT 1:02 PM