Adaptation after replacing Engine Control Module (ECM)

NOTE:

The Engine Control Module (ECM) is adapted to the instrument cluster (with integrated anti-theft immobilizer). When the Engine Control Module (ECM) is replaced, the new ECM must be re-adapted to the immobilizer.
If no authorized ignition key is available, but the 7-digit PIN is available, new ignition keys must be manufactured and adapted to the "Adaptation after replacing instrument cluster".
Adaptation can be interrupted using the "C" button.

Procedure

Initiate On Board Diagnostic (OBD) of immobilizer. Refer to Anti-theft immobilizer On Board Diagnostic (OBD), initiating .

Fig 1: VAS 5051 Tester Displaying Control Module Identification And Coding

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Control module identification of the instrument cluster

2 - Control module identification of immobilizer

Control module identification, immobilizer (example)
TRUUT28NX111234561) AUZ5Z0W10000712)	1) 2)	17 digit VIN (Vehicle Identification Number) 14-digit identification number of immobilizer

Using the 14 digit identification number of the ECM, determine the 7-digit PIN. Refer to Lost key procedure .

Press Δ - button

Fig 2: Diagnostic System VAS 5051: Display -- Basic Setting

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

Select diagnostic function "06 - End Output" in selection -1-.

Fig 3: Diagnostic System VAS 5051: Display

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

Press selection -1- of vehicle system "01 - Engine electronics".
Wait until the next indication appears on display.

Fig 4: VAS 5051 Tester Displaying Control Module Identification And Coding

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Control module identification of Engine Control Module (ECM).

2 - Control module identification of immobilizer

Control module identification anti-theft immobilizer
XXXXXXXXXXXXXXXXX XXXXXXXXXXXXXX

NOTE: If a used Engine Control Module (ECM) is being installed, it must first be switched free via a login procedure. Refer to Login Procedure (function 11) . The 7-digit PIN must be determined via the 14-digit identification number of the used Engine Control Module (ECM). Continue as follows after successful login procedure:

Press Δ - button

Fig 5: Diagnostic System VAS 5051: Display -- Basic Setting

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

In selection -1-, select the diagnostic function "10 - Adaptation".

Fig 6: Diagnostic System VAS 5051: Display - Display Group And Key Pad

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Enter channel number Max. input value = 99

Select function "50" in button field -2- for "Adaptation channel 50" and press Q button to confirm input.

Fig 7: Diagnostic System VAS 5051: Display - Channel 21Save, Old Number Of Keys And Original Value

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Channel 50 read and test

2 - PIN ?

3 - Keypad - only direct input via the keypad is possible

4 - Sliding bar is positioned on 32000

Press "Keypad" button -3-.

Fig 8: Diagnostic System VAS 5051: Display - Display Group And Key Pad

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Enter adaptation value Input value: 0 to 65535

Enter previously determined 7-digit PIN (of instrument cluster) in button field -2-.
Press -Q- button to confirm input.

NOTE: If the 7-digit PIN is entered incorrectly three times, tester display will indicate "locked 10". This locking time can also be indicated in measuring value block 024 (display field 1). Adaptation is now locked for 10 minutes. This time is doubled after every third consecutive incorrect attempt, up to a maximum of 255 minutes.

Wait until the next indication appears on display.

NOTE: If a malfunction occurs during adaptation, the following DTCs can be displayed:

"Interference": CAN-bus not available or engine speed recognized (adaptation only with the engine standing still)
"Adaptation not OK": Instrument cluster cannot give out data (17-digit VIN, 14-digit identification number), since the control module is still new (factory condition) or the data is faulty.
"System not OK": Instrument cluster does not give out data, since it was previously used with a control module (Engine Control Module) with another performance class (tuning-protection)
"Key not OK": Data cannot be given out or accepted, because no key or no matching key is available.

If no malfunction is present, this display appears:

Fig 9: Diagnostic System VAS 5051: Display - Channel 21 Read And Test, 17-Digit VIN, Old Number Of Keys, Sliding Bar

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Channel 50 read and test

2 - 17-digit VIN (Vehicle Identification Number)

5 - Sliding bar is positioned on 32000

Press "Save" button -4-.

Fig 10: Diagnostic System VAS 5051: Display - Channel 50 Save, 17-Digit VIN And Original Value

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Channel 50 save

2 - 17-digit VIN (Vehicle Identification Number)

4 - original value 32000, new value 32000

Confirm new adaptation value by pressing the "take over" button -3-.

Fig 11: Diagnostic System VAS 5051: Display - Channel 21

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - Channel 50 Value 32000 stored

End function "10 - Adaptation" by pressing ← -button.

Adaptation of the Engine Control Module (ECM) to the immobilizer has been completed and the vehicle can be started.