July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Aids

If DTC 43 is set, transmitter is out of synchronization with BCM. This can be caused by one or more of the following:

Transmitter buttons were pressed more than 256 times while out of BCM RF signal range.
Transmitter buttons were pressed more than 10 times while out of BCM RF signal range after transmitter battery was replaced.
Transmitter RF signal was interrupted.
Transmitter is defective.