A/T Controls - Harsh 2-1 Downshift/Low Speed Shudder

37 Harsh 2-1 shift with automatic gearbox (0B6) - A4, A5

37 13 81

2021193/3

January 16, 2013.

Supersedes Technical Service Bulletin Group 37 number 12-63 dated August 31, 2012 for reasons listed below.





Affected Vehicles





Condition
Customer may report:

^ Vehicle shudders briefly before a stop.

^ Gearbox downshift uncomfortable at low speeds.

Workshop findings:
At a speed below 6 mph, the vehicle shudders briefly before stopping.

Technical Background
Because of an unfavorable adjustment between engine and gearbox, vehicle can shudder under certain driving conditions when changing from second to first gear.

Production Solution
Transmission control unit software improved.

Service

1. Try to reproduce the customer complaint so that it can be clearly assigned to this TSB.

If this TSB applies, follow the steps below.





2. Per SVM software chart above, check whether the vehicle requires a software update.

If the transmission control unit is below the listed new version, update the transmission control unit (J217) via SVM.

3. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.





Warranty

Additional Information
The following Technical Service Bulletin will be necessary to complete this procedure:

^ TSB 2011732 00 Software Version Management (SVM), operating instructions.

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.

Attachment

















TSB 2011732 00 Software Version Management (SVM), operating instructions.