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No start

Posted: Sun Apr 16, 2023 4:17 pm
by Car54
Just did some work on my car this past few days.

Changed headlights, put in a new ac line from firewall to drivers headlight, line broke at condenser when I took radiator out in the winter.

I go to start the car and there is nothing, no fuel pump priming nothing. Scanned for codes and this is what I’m getting. Lights n dash windows and all that work.

B2750-02 & 04. Pass key data communication failure
B3875-02 & 04. Manufacturer defined??

U101 lost communication with TCM.

Any suggestions where to look?