M37 V6-3.7L (VQ37VHR) (2011)
Technical Service Bulletin # 11-008A
Date: 110412
A/T Controls - Harsh Shifts/Multiple DTC's Set/Vibration
Classification: AT11-001A
Reference: ITB11-008A
Date: April 12, 2011
2011 M; TRANSMISSION SHIFT ISSUES AND/OR A/T DTC STORED
This bulletin has been amended. The APPLIED VEHICLES and IF YOU CONFIRM sections have been revised. Please discard all previous versions of
this bulletin.
APPLIED VEHICLES: 2011 M37/M56 (Y51)
APPLIED VINS & DATES
IF YOU CONFIRM:
The 7 speed automatic transmission in an Applied Vehicle has one or more of the following conditions:
^ DTC P0729, P0732, P0733, P0734, P0735 and/or P1734 stored in the ECM and/or TCM
^ Excessive engine braking felt after lifting off the accelerator pedal
^ Hesitation when accelerating from a stop
^ Harsh downshift from 7th gear during hard acceleration
^ Excessive vibration during light acceleration
ACTIONS:
1. Perform TCM reprogramming.
^ Refer to Step 3 under TCM reprogramming in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.
2. Perform ECM reprogramming.
^ Refer to Step 3 under ECM reprogramming in the SERVICE PROCEDURE to confirm ECM reprogramming applies and is needed for the vehicle you
are working on.
IMPORTANT:
The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE
PROCEDURE as it contains information that is essential to successfully completing this repair.