Electronic Brake Control Module: Testing and Inspection

2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)SECTION Testing and Inspection


Code Control Module (function 07) (from October 2000)

Note:
When replacing instrument clusters, CAN-bus On Board Diagnostic Interface coding must always be performed, regardless if the correct code is already stored/appears in the display after inputting address word 19 - Gateway.

Coding, initiating

- Connect VAG1551 Scan Tool (ST), select operating mode 1 "Rapid data transfer", switch ignition on and enter address word 19 for "Gateway".

After control module identification and identification number of immobilizer are displayed:

- Press button until "Select function XX" is shown in display.

Rapid data transfer HELP
Select function XX

Indicated on display:

- Press buttons -0- and -7- to select "Code Control Module", function 07.

Rapid data transfer Q
07 - Code Control Module

Indicated on display: (example only)

- Press -Q- button to confirm input.

Code Control Module
Enter code numbers XXXX (0-32000)

Indicated on display: (example only)

- Determine code number using code table and enter.

Code Table:






The code numbers for the control modules installed in the vehicle that are connected to the powertrain databus must be added.

Example:
Airbag + ABS:

00004 + 00002 = 00006

6N0909901 Gateway K <- > CAN 0001
Coding 00006 WSC 00000

Indicated on display (example):

- Press -Q- button to confirm input.

Rapid data transfer HELP
Select function XX

Indicated on display: (example only)

End function:

- Press buttons -0- and -6- to select "End Output", function 06.

The tester returns to the "Select function" mode.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.