21-015-16

Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination and/or one of the following conditions. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the TCM memory. 2015 KL Vehicles · **P0887-00 - TCM Power Control Circuit High. · P061B-00 - Internal Control Module Torque Calculation Performance.** · U0401-00 - Implausible Data Received From ECM/PCM. · P1DAD- 00 - Input Shaft-Output Shaft Direction Correlation. · P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance (ED6/ED8). Other enhancements included in this update: · **Garage shift improvements. · Shift improvements for 2-1 shift quality when using Electronic Range Sensor (ERS) function for 2-1 downshift and 3-1 shift quality (bump) when coasting to a stop (ED6/ED8).** · When driving on grades, the 3-2 downshift is hard to achieve or not available. 2015 UF Vehicles · **P0887-00 - TCM Power Control Circuit High. · P072F-00 - Stuck In Gear 4 · P061B-00 - Internal Control Module Torque Calculation Performance.** · P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance