Veracruz AWD V6-3.8L (2007)
Technical Service Bulletin # 09-AT-020
Date: 091223
A/T Controls - Downshift Bump On Deceleration
Group: AUTOMATIC TRANSMISSION
Number: 09-AT-020
Date: DECEMBER, 2009
Model: 2007 VERACRUZ
Subject
ECM & TCM UPDATE - DOWNSHIFT BUMP WHEN DECELERATING TO A STOP
DESCRIPTION:
This TSB provides the procedure to update the ECM and TCM with the most recent engine and transmission calibration for 2007 Veracruz vehicles.
APPLICABLE VEHICLES:
Model: 2007 Veracruz (EN) 3.8L vehicles.
Verify the version of the ECM and TCM ROM ID before attempting to update the vehicles software.
ECM ROM ID INFORMATION TABLE:
Verify the version of the ECM and TCM ROM ID before attempting to update the vehicles software. If the ECM already has the new ROM ID, go to
2-1. TCM Update.
TCM ROM ID INFORMATION TABLE
