Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable
This bulletin involves selectively erasing and reprogramming the Transmission Control
Module (TCM) with new software.
The following TCM calibration update is being released to enable the new wiTECH based
?Transmission Quick Learn? procedure to be performed anytime the transmission
adaptation memory cells are cleared or when addressing customer concerns of poor shift
quality. It is also being released to improve transmission downshift response time during
normal driving.