Electronic Brake Control Module: Testing and Inspection

Code Control Module (Scan Tool Function 07)
The control module in the vehicle is coded. New control modules are not coded and must be coded after installation.
Coding is only possible after the dealership code has been entered into the VAG 1551 scan tool.

Test sequence
- Determine engine code and type of ABS hydraulic control module installed in vehicle.
- Connect VAG 1551 scan tool and insert "Brake Electronics" address word 03 with ignition switched on. VAG 1551 Scan Tool Connecting and Selecting Function





Indicated on display
- Press buttons -0- and -7- to select "Code Control Module" function 07.





Indicated on display
- Press -Q- button to confirm input.





Indicated on display
- Enter relevant code number for vehicle and press -Q- button to confirm input, VAG1551 Scan Tool (ST) operating instructions.





The VAG1551 scan tool display will show the control module identification, e.g.:





Code Table
- Press -> button.





Indicated on display
- Press buttons -0- and -6- to select "End Output" function 06.
- Press -Q- button to confirm input.

Note:
^ If the control module is incorrectly coded ABS warning light -K47- will light up continuously, and warning light for brake system -K118- lights up when 6 mph (approx. 10 km/h) or an engine speed of 2000 rpm has been exceeded once. An entry is made in DTC memory at the same time, Check DTC Memory (scan toot function 02).
^ If the control module is not coded (code 00000), ABS warning light -K47- flashes once per second and warning light for brake system -K118- lights up when 6 mph (approx. 10 km/h) or an engine speed of 2000 rpm has been exceeded once.