Flash: Quick Learn Enable And P215C Output Shaft Speed, Wheel Speed Correlation Set
While Braking
This bulletin involves selectively erasing and reprogramming the Transmission Control
Module (TCM) with new software.
The following Transmission Control Module (TCM) calibration update is being released to
enable the new wiTECH based ?Quick Learn? procedure to be performed anytime the
transmission adaptation memory cells are cleared or addressing customer concerns of
poor shift quality. It also addresses customer concerns of Malfunction Indicator Lamp (MIL)
illumination and Diagnostic Trouble Code (DTC) P215C Output Shaft Speed, Wheel Speed
Correlation setting on AWD equipped vehicles.
