Steering - Update Software After Part Replacement
48 09 04Sept. 18, 2009
2011806 Supersedes T.B. Group 48, number 09-01 dated Mar. 3, 2009 to include updated version CD for 2010 model year.
Vehicle Information
Condition
Steering System, Adaptation Requirement after Replacement Part Installation
Technical Background
Service parts are shipped with a software mapping default and have to be adapted to the individual vehicle requirements.
Production Solution
No production change required.
Service
Follow the Guided Fault Finding instruction of VAS 5051B/VAS 5052 tester, and as outlined in this technical bulletin. The CD will not work with the tester VAS 5051A.
TIP: Non observance of the following points may lead to control module failure. VAS 5051B or VAS 5052 must always be connected to the approved power supply at the approved voltages. Under no circumstances should the power supply be interrupted or the diagnostic connector unplugged during the flash procedure. Any appliances with high electromagnetic radiation (i.e. mobile phones) must be switched OFF.
Procedure
- Connect vehicle to approved Volkswagen battery charger Midtronics InCharge 940 (INC940) tester/charger to maintain proper battery voltage.
- Insert CD, Part No. W42RACKMAP50 with steering rack adaptation files.
- Prepare by getting the vehicle PR-codes for suspension (i.e. L04, G05 etc.), park assist (i.e. 7X5, 8A3 etc.) from the trunk of the car or ELSA. Depending on optional equipment more or less PR-codes may be needed.
- Enter vehicle data
- Select -OK- and then forward arrow.
- Select Go to and Function / Component selection.
- Navigate selections, for vehicle serviced, as outlined in the Examples provided. German built vehicles will all follow the same menu structure. Other manufacturing locations may deviate slightly.
- Follow instructions until VAS 5051B/VAS 5052 screen states - Adaptation of power steering and/or speed turning torque/parallel parking assistance (depending on equipment), was performed correctly, -Program end-.
NOTE: The steering rack adaptation CD version 50 will be distributed with this technical bulletin. This version will remain valid until an approved updated version is received.
Warranty
Information Only.
Required Parts and Tools
No Special Parts Required.
TIP: Additional copies of the "Update - Programming" CD may be ordered from the Volkswagen Technical Literature Ordering Center from 8:00 a.m. to 8:00 p.m. EST Monday through Friday. This number can be dialed in both the United States and Canada.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and Repair Manuals for the latest information.