Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)

Date Published
MAR 23, 2017
NHTSA TSB #
10167700
TSB Document
Summary
This is a Technical Journal: TG81-SC, harsh shift P-R R-D N-D. Due to an internal can bus data error in the TCM, harsh garage shifts may occur at P-R, R-D, N-D. New improved TCM SW is planned to be released 2017w22 in production and service. If you have a customer complaint at this time, perform a TCM reload. This will reset the values of the TCM and improve shift quality .