Electronic Brake Control Module Replacement for Buick Allure 2009

Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

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. Remove the fuel injector sight shield, 3.8L engine only. Refer to Fuel Injector Sight Shield Replacement.
3. Remove the front fender upper diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement.
4. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.



5. Disengage the locking tab (1) from the electronic brake control module (EBCM) harness connector.
6. Disconnect the EBCM harness connector.
7. Remove any dirt/debris from the assembly.



8. Remove the 6 EBCM to brake pressure modulator valve (BPMV) retaining bolt/screws.

Note: Do not pry apart using a tool. Be careful not to damage BPMV surface.

Note: Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.

9. Separate the EBCM (1) from the BPMV (4) by gently pulling apart until separated.
10. Disconnect the pump motor connector (3) at the bottom of the EBCM.

1. Connect the pump motor connector (3) to the bottom of the EBCM.
2. Install the EBCM (1) to the BPMV (4).

Caution: Refer to Fastener Caution in the Preface section.

3. Install the 6 EBCM to BPMV retaining bolt/screws (2).

Tighten
Tighten the retaining bolt/screws to 2.9 N·m (26 lb in).




4. Connect the EBCM harness connector.
5. Reengage the locking tab (1) to the EBCM harness connector.
6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.
7. Install the front fender upper diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement.
8. Install the fuel injector sight shield, 3.8L engine only. Refer to Fuel Injector Sight Shield Replacement.
9. Turn the ignition switch to the RUN position. Do not start the engine.
10. Perform the Diagnostic System Check - Vehicle.
11. Refer to Control Module References for programming and setup information.