Electronic Brake Control Module: Service and Repair

Electronic Brake Control Module Replacement

Removal Procedure

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. Turn the ignition switch to the OFF position.

2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LS7 or LS9) Battery Negative Cable Disconnection and ConnectionBattery Negative Cable Disconnection and Connection (LS3) Battery Negative Cable Disconnection and Connection.

3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.

4. Clean the area surrounding the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV) of and dirt and debris.

5. Disconnect the EBCM electrical connector.





6. Remove the EBCM bolts (1).

Note:
Do not attempt to pry or lever the EBCM from the BPMV.





7. Remove the EBCM (1) by carefully pulling straight away from the BPMV.

Do not force the components apart.

8. Clean the sealing surfaces of the EBCM and the BPMV with denatured alcohol and allow to dry.

Installation Procedure





1. Install the EBCM (1) by carefully pressing straight onto the BPMV.

Do not force the components together.

Caution:
Refer to Fastener Caution Fastener Caution.





2. Install the EBCM bolts (1) and tighten in a cross pattern to 3 Nm (27 lb in).

3. Connect the EBCM electrical connector.

4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LS7 or LS9) Battery Negative Cable Disconnection and ConnectionBattery Negative Cable Disconnection and Connection (LS3) Battery Negative Cable Disconnection and Connection.

5. If installing a new EBCM, program the EBCM. Refer to Service Programming System (SPS) Service Programming System (SPS).

6. Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle.