Cadillac XLR no start issue after battery change and fob malfunction on Cadillac XLR

Some Cadillac XLR owners report experiencing no start issues following a battery change and key fob malfunction. These problems may arise from a malfunctioning key fob, which can occur due to a damaged circuit board, worn buttons, or poor battery contact, necessitating reprogramming even after a battery replacement. Additionally, starting issues are often linked to battery-related problems; if the vehicle fails to start with a new battery, further investigation is warranted. Some owners also find that a malfunctioning internal transistor in the Remote Control Door Lock Receiver (RCDLR) module can contribute to these starting issues, emphasizing the importance of ensuring the vehicle battery is adequately charged and checking the key fob battery voltage. Furthermore, ignition problems or insufficient fuel can prevent the XLR from starting, potentially triggering misfire-related error codes. Lastly, after any power loss, such as disconnecting the battery, it is crucial for owners to calibrate the electronic throttle control to ensure proper engine operation, as neglecting this step may lead to the engine not running correctly.