Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005)
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Engine Control Module: All Technical Service Bulletins
Engine Controls/Antitheft - 7 Digit PIN Number
Group: 01
Number: 04-21
Date: Oct. 28, 2004
Subject:
Immobilizer, 7-Digit PINs beginning with 0 are Not Accepted by Control Modules
Model(s):
All with Immobilizer
--> 2005
Condition
When attempting to input a 7 - digit PIN beginning with 0 in Adaptation Channel 50 in the Engine Control Module or Instrument Cluster, the PIN is not
accepted by Immobilizer.
VAS 5051/5052 with diagnostic tester software V.07.00 and V.07.53 do not correctly communicate with control modules for Volkswagen 7-digit PINs.
Error messages may include:
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"Function not available", "PIN is no longer valid" or "Function is unknown".
Service
VAS 5051/5052 tester software is being revised and will be distributed as soon as possible.
Until revised software is available, DO NOT reinstall old software:
-
Contact Volkswagen Dealer Technician's Helpline. A 4-digit PIN will be supplied to complete the repair.
Note:
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Even though current Tester software is causing concerns at this time, It is important to use the cuffent update. Please remember the following:
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Geko functions hinge on this software as well
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Any concerns regarding this condition are far outweighed by improvements included in the update.
