Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement CTS

Caution: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

1. Place the ignition switch in the OFF position.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
4. Remove the washer solvent container fasteners and position the washer solvent container aside to access the electronic brake control module (EBCM). Refer to Windshield Washer Solvent Container Replacement.
5. Thoroughly clean the area around the EBCM of all dirt and debris.
6. Release the EBCM electrical connector by pressing the retaining tab and rotating the locking lever forward.



7. Remove the EBCM screws (1).



8. Separate the EBCM (1) from the brake pressure modulator valve (BPMV).

1. Clean the sealing surfaces of the BPMV and the EBCM.
2. Install the EBCM (1) to the BPMV.



3. Install the EBCM screws (1).

Caution: Refer to Fastener Caution in the Preface section.




4. Tighten the EBCM screws in the sequence shown (1-4) to  5 N·m (44 lb in).
5. Connect the EBCM electrical connector.
6. Position the washer solvent container and install the fasteners. Refer to Windshield Washer Solvent Container Replacement.
7. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
8. Lower the vehicle.
9. If installing a new EBCM, program the EBCM. Refer to Control Module References.
10. Perform the Diagnostic System Check - Vehicle.

Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement CTS-V

Caution: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

1. Place the ignition switch in the OFF position.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
4. Remove the washer solvent container fasteners and position the washer solvent container aside to access the electronic brake control module (EBCM). Refer to Windshield Washer Solvent Container Replacement.
5. Thoroughly clean the area around the EBCM of all dirt and debris.
6. Release the EBCM electrical connector by pressing the retaining tab and rotating the locking lever forward.



7. Remove the EBCM screws (1).



8. Separate the EBCM (1) from the brake pressure modulator valve (BPMV).

1. Clean the sealing surfaces of the BPMV and the EBCM.
2. Install the EBCM (1) to the BPMV.

Caution: Refer to Fastener Caution in the Preface section.




3. Install the EBCM screws (1) and tighten in a cross pattern to  5 N·m (44 lb in).
4. Connect the EBCM electrical connector.
5. Position the washer solvent container and install the fasteners. Refer to Windshield Washer Solvent Container Replacement.
6. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
7. Lower the vehicle.
8. If installing a new EBCM, program the EBCM. Refer to Control Module References.
9. Perform the Diagnostic System Check - Vehicle.