Affected Component: POWER TRAIN

Date Published
NOV 01, 2017
NHTSA TSB #
10135135
TSB Document
Summary
17419-Service Update. Certain vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshifts. Dealers will reprogram the transmission control module (TCM).