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 one of the following DTCs have been set:P0887 - TCM Power Control Circuit High.
P061B - Internal Control Module Torque Calculation Performance.
P072F - Stuck In Fourth Gear.
P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance(2015 BU Only).
P1CC9 - Unable to Engage Gear(2015 BU Only).
P1D98 - Incorrect Gear Ratio Clutch B or D Defective(2015 BU Only).
U0401 - Implausible Data Received From ECM-PCM(2015 BU Only).
In addition, customers may notice the following condition(s):Harsh 1-2 upshift.
Harsh garage shifts (Park to Reverse or Drive).
CAN bus message may drop out after a network restart.
