Lost Key Procedure

Lost Key Procedure

- Produce or order a replacement ignition key according to the lock number.
- Adapt all vehicle keys Adaptation of Vehicle Keys
- For vehicles with remote controlled central locking, all remote keys must be adapted to the control module for central locking.

Determining the secret number (7-digit PIN)
The secret number is determined in conjunction with the 14 digit identification number of the Engine Control Module (ECM) or antitheft immobilizer, and is read upon initiation of On Board Diagnostic (OBD).

Effective calender date 03.11.2002, the immobilizer secret number is encoded for increased security. The encoded number is now 7-digits and is referred to as a "PIN" ("Personal Identification Number").

All models with anti-theft immobilizer are affected, regardless of generation.

The process to obtain the 7-digit PIN remains the same as with the 4-digit "secret number" previously used - that is: request via the Warranty Information Network" (WIN). However, WIN Administration now requires additional information from both the vehicle and Dealer in order to to generate the 7-digit PIN.

The PIN is only valid on the day it is requested. Thereafter, a new PIN is required.

The 7-digit PIN can only be processed and input using either the VAS 5051 or VAS 5052 with basis CD version 3.10 and higher. VAG 1551/1552 Scan Tools are unable to process or input this number.

A correct Importer/Dealer number must reside in the VAS 5051/5052 in order to request a PIN.

The requested PIN is intended for internal use only, is worthless to other Dealers and must not be shared with the customer.

CAUTION:
- All Dealership VAS 5051 and VAS 5052 testers in service MUST be programmed with the correct Importer/Dealer number, as well as correct date and time.
- Adaptation functions of the anti-theft immobilizer are not possible with incorrect data.