Buick Regal: Electronic Brake Control Module Replacement

Preliminary Procedure

Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (2.0L LTG) or Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (3.6L LGX)

1. Electronic Brake Control Module Bolt[4x]
   CAUTION: Fastener Caution
   Tighten
   3N.m (27 lb in)
2. Electronic Brake Control Module
   Procedure
   1. Separate the control module and modulator valve only in a clean environment.
   2. Run all necessary programming and setup procedures. Refer to Control Module References

ELECTRONIC BRAKE AND TRACTION CONTROL MODULE WITH BRAKE PRESSURE MODULATOR VALVE REPLACEMENT (2.0L LTG)

Removal Procedure

WARNING: Brake Fluid Irritant Warning.

CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution.

CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

1. Ignition/Vehicle - Off.

2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG)

NOTE: Without disconnecting the electrical connectors.

3. Engine Control Module - Reposition away - Engine Control Module Replacement.

4. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement.

5.

Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.

6. Electrical Connector(1)@Electronic Brake Control Module - Disconnect.

7.

Brake Pipe Fitting-Front-Right Side(1) - Disconnect.

8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

9.

Brake Pipe Fitting-Rear-Left Side(1) - Disconnect.

10. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

11.

Brake Pipe Fitting-Rear-Right Side(1) - Disconnect.

12. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

13.

Brake Pipe Fitting-Front-Left Side(1) - Disconnect.

14. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

15.

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Disconnect.

16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

17.

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Disconnect.

18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

19.

Nut(2)@Electronic Brake Control Module - Loosen[2x].

20. Electronic Brake Control Module(1) - Remove.

Installation Procedure

1.

Electronic Brake Control Module(1) - Install.

CAUTION: Fastener Caution.

2. Nut(2)@Electronic Brake Control Module - Tighten[2x]9N.m (80 lb in).

3.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

4. Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Install and tighten32N.m (24 lb ft).

5.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

6. Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Install and tighten32N.m (24 lb ft).

7.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

8. Brake Pipe Fitting-Front-Left Side(1) - Install and tighten18N.m (13 lb ft).

9.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

10. Brake Pipe Fitting-Rear-Right Side (1) - Install and tighten18N.m (13 lb ft).

11.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

12. Brake Pipe Fitting-Rear-Left Side(1) - Install and tighten18N.m (13 lb ft).

13.

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

14. Brake Pipe Fitting-Front-Right Side(1) - Install and tighten18N.m (13 lb ft).

15.

Electrical Connector(1)@Electronic Brake Control Module - Disconnect.

16. Radiator Surge Tank Replacement - Install.

17. Engine Control Module - Reposition.

18. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

19. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual).

20. Run all necessary programming and setup procedures. Refer to Control Module References.

21. Center the steering angle sensor. Refer to Steering Wheel Angle Sensor Centering.

ELECTRONIC BRAKE AND TRACTION CONTROL MODULE WITH BRAKE PRESSURE MODULATOR VALVE REPLACEMENT (3.6L LGX)

Removal Procedure

WARNING: Brake Fluid Irritant Warning.

CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution.

CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

1. Place the ignition switch in the OFF position.

2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

3.

Air Cleaner Outlet Duct(1) - Remove.

4. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement.

5. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.

6.

EBCM Electrical Connector (1) - Disconnect.

7.

Right Front Brake Pipe Fitting (1) - Disconnect.

8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

9.

Left Rear Brake Pipe Fitting (1) - Disconnect.

10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

11.

Right Rear Brake Pipe Fitting (1) - Disconnect.

12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

13.

Left Front Brake Pipe Fitting (1) - Disconnect.

14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

15.

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Disconnect.

16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

17.

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Disconnect.

18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

19.

Brake Pressure Modulator Valve Bracket Nut(1) - Loosen.

20.

Brake Pressure Modulator Valve Bracket Nut(1) - Remove.

21.

Brake Pressure Modulator Valve Bracket Bolt(1) - Remove.

22.

Electronic Traction Control Brake Pressure Modulator Valve (1) - Remove.

Installation Procedure

1.

Electronic Traction Control Brake Pressure Modulator Valve (1) - Install.

2.

CAUTION: Fastener Caution.

Brake Pressure Modulator Valve Bracket Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Brake Pressure Modulator Valve Bracket Nut(1) - Install and tighten9 N.m (80 lb in).

4.

Brake Pressure Modulator Valve Bracket Nut(1) - Install and tighten9 N.m (80 lb in).

5.

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Install and tighten.

6.

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Install and tighten.

7.

Left Front Brake Pipe Fitting (1) - Install and tighten.

8.

Right Rear Brake Pipe Fitting (1) - Install and tighten18 N.m (13 lb ft).

9.

Left Rear Brake Pipe Fitting (1) - Install and tighten18 N.m (13 lb ft).

10.

Right Front Brake Pipe Fitting (1) - Install and tighten.

11.

EBCM Electrical Connector (1) - Connect.

12. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual).

13. Reposition and install the radiator surge tank. Refer to Radiator Surge Tank Replacement.

14.

Air Cleaner Outlet Duct(1) - Install.

15. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

16. Run all necessary programming and setup procedures. Refer to Control Module References.

17. Center the steering angle sensor. Refer to Steering Wheel Angle Sensor Centering.

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