My Code Alarm transmitter is not working CS Updated November 17, 2020 05:37 Follow Replace the battery. After you replace the battery test to see if the light comes on by pressing the buttons. If you still have problems it's possible your transmitter is defective. Should this be the case please contact us via Submit a request tab. Related articles Information, Programming Guide and Support for the Code Alarm CATX1B Transmitter Information, Programming Guide and Support for the Code Alarm CATX4 Transmitter Troubleshooting the Code Alarm SURESTARTSE433 Remote Security System Operating the Code Alarm CA4053 Remote Start System Code Alarm Car Security or Remote Start System Repair Centers and Warranty Info Comments 0 comments Article is closed for comments.