Sunday, 29 September 2019

******** Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 571021 Date: 100510


Locks - Vehicle Locking System Diagnostics



57 Vehicle locking system, diagnostic information



57 10 21



2022032/2



May 10, 2010



Supersedes Technical Service Bulletin Group 57 number 09-28 dated November 20, 2009 for reasons listed below.



549



Affected Vehicles



Condition



The customer inquires about the operation of the vehicle locking system, perhaps even suggesting the vehicle "locked itself."



Technical Background



The lock command history is stored in the convenience system control module (J393).



Production Solution



Not applicable.



Service



550



The previous central locking system commands can be determined from the measured value blocks above in the convenience system control module



(address word 46).



Warranty



This TSB is informational only and not applicable to any Audi warranty.