Immobilizer III Injection Pump Swapping

From Ross-Tech Wiki

This procedure details how to change the Injection Pump on 2.5l V6 TDI Engine in VW/Audi/Seat/Skoda vehicles with Immobilizer III.

Determining VIN & IMMO-ID

Engine Control Unit (ECU)

[Select]
[01 - Engine]
Look at the first "Extra" field. The first 17-digit string is the VIN. The second 14-digit string in the Immo-ID.
[Close Controller, Go Back - 06]

---OR---

[Select]
[01 - Engine]
[Meas. Blocks - 08]
Select Block 081.
[Go!]
The first 17-digit string is the VIN. The second 14-digit string in the Immo-ID..
[Done, Go Back]
[Close Controller, Go Back - 06]


Injection Pump Swapping

Prerequisites:

  • The NEW Injection Pump is installed in the car.
  • Battery voltage at least 12.5 V.
  • Make sure to have the Immobilizer PIN, for the Engine Control Unit (ECU).


[Select]
[01 - Engine]


[Login - 11]

  • 4-digit PIN
    • The PIN needs to be entered as 5-digit number. For example, if your PIN is 1234, enter 01234.

[Do it!]


[Adaptation - 10]
Enter 050 in "Channel Number".
[Read]

  • 4-digit PIN
    • The PIN needs to be entered as 5-digit number. For example, if your PIN is 1234, enter 01234.

[Save]
[Done, Go Back]
[Close Controller, Go Back - 06]


  • Switch OFF the ignition and let the car sit for ~1 minute, then switch ON the ignition again.
  • Start the Engine to verify the adaptation was successful.