You probably have a defective Transmission Range Sensor (TR) or a malfunctioning Engine Control Module (ECM) or a malfunctioning Insrument Panel Cluster Module (IPC). In any case, the proper diagnosis can only be made by scanning for fault codes and checking the electronic data from each of these items to determine the cause of the problem.
Answers & Comments
You probably have a defective Transmission Range Sensor (TR) or a malfunctioning Engine Control Module (ECM) or a malfunctioning Insrument Panel Cluster Module (IPC). In any case, the proper diagnosis can only be made by scanning for fault codes and checking the electronic data from each of these items to determine the cause of the problem.