Chevrolet Silverado 1500 transmission indicator flashing between drive and park on Chevrolet Silverado 1500

Some Chevrolet Silverado 1500 owners report experiencing issues with a flashing transmission indicator that alternates between drive and park, which may signal potential transmission system problems. These issues could stem from a faulty transmission control module or a malfunction in the transmission valve body. Additionally, some owners find that a problematic Throttle Position Sensor (TPS) can contribute to the flashing indicator by failing to provide a smooth electrical response. Problems with the parking mechanism, which includes a locking pawl that engages when shifting into Park, may also lead to this indicator issue. Furthermore, a faulty transmission linkage that connects the gear selector to the transmission can cause shifting complications. Owners are advised to be vigilant for common signs of transmission issues, such as the Check Engine Light illuminating, incorrect gear readings, or the shift indicator not moving. It is recommended that affected owners consult a qualified mechanic to diagnose and resolve these underlying problems promptly.