How do you fix problem of dtc code c2126 transmitter id not received in main mode in Lexus IS 250?

To fix the DTC code C2126 (transmitter ID not received) in a Lexus IS 250, first, check the tire pressure monitoring system (TPMS) sensors in each tire for proper function and battery life. Ensure the vehicle's battery is fully charged, as low voltage can affect communication. If necessary, reprogram or reset the TPMS using a compatible OBD-II scanner or follow the manufacturer's reset procedure. Lastly, inspect the wiring and connectors for any damage or corrosion that could disrupt signal transmission.