A/T Controls - Driveability Concerns Or DTC P1724
35 Drivability concerns or P1724 fault stored S-Tronic Transmission
35 11 02
2027363/1, 11/8/2011.
Affected Vehicles
Condition
Customer may report one or multiple transmission related concerns including the following:
^ Harsh downshifting multiple gears 7-5, 4-3, 2-1. This may happen during just one of these shifts.
^ Fluctuating engine speed after 5-4 shift with accelerator at 80-100% accelerator pedal position (kick-down).
^ The driver information system displays the message "Gearbox complaint! Journey can be continued." After a key cycle the complaint is fixed. The
vehicle was parked in gear lever position N and the ignition switched off.
^ The following entry is logged: P1724 - signal for immobilizer, short circuit to ground.
Technical Background
Incorrect gearbox software.
Production Solution
Improved software installed during production.
SVM Update Instructions
1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.
2. Update the Transmission control module (J217) using the SVM action code as listed in the table above if necessary.
Tip: If the software version of the vehicle is smaller than shown in the tables for model year 2010, an update with SVM Code 02A002 may be
necessary first.
Tip: If there is a concern with shifting after the software update a basic setting and adaptation drive will be necessary. Follow GFF test plan.
158
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
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^ TSB 2011732 00 Software Version Management (SVM), operating instructions.
