Did you disconnect the battery at least 10 minutes before disconnecting anything?
You might try disconnecting the negative battery cable for 20 minutes, then replacing it. That sometimes forces a reboot of the multiplex system.
If you disconnected the climate control with the battery still connected, at best you will probably have a SRS failure warning light/message that will have to be reset by the dealer.
I have read numerous messages that warn against disconnecting the climate control, if at all avoidable, when servicing the radio.
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