THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO UPDATE THE TRANSMISSION ELECTRO-HYDRAULIC CONTROL MODULE (TEHCM) WITH THE LATEST SOFTWARE TO CORRECT A CUSTOMER CONCERN ON REDUCED ACCELERATION WITH NO REDUCED PROPULSION WHEN PUSHING THE ACCELERATOR PEDAL TO THE FLOOR, WITH MESSAGE ON THE DRIVER INFORMATION CENTER (DIC) DUE TO SPECIFIC SHIFT TRANSITIONS, AN INTERMITTENT HYDRAULIC PRESSURE SWITCH SIGNAL DOES NOT ALLOW THE SHIFT TO COMPLETE RESULTING IN PROPULSION WITH NO DTC DUE TO SOFTWARE ANOMALY.
