21-039-16

Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) have been set: P1DCD-00-TCM Monitoring Processor Performance Multiple Clutches Locked Up.Some customers may experience the following condition: A longer than normal delay during a shift from reverse to drive selection.