DTC B2805: No Transmitters Programmed: Description
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
When a receiver is replaced, all transmitters must be programmed to new electronic door lock receiver. DTC will remain current until at least one transmitter is programmed. Up to 3 identification codes can be stored by receiver.
DTC B2805 will set and store in receiver memory when electronic door lock receiver indicates no transmitter Vehicle Access Code (VAC) has been programmed. No driver warning message will be displayed for this DTC.
DTC B2805 will automatically clear when electronic door lock receiver has indicated a valid VAC was programmed properly.