Electronic Brake Control Module Replacement for Pontiac Sunfire 2003

Notice: 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 Connector Position Assurance (CPA) (2) from the connector lock tab (1).



3. Push the lock tab down and then move the sliding connector cover to the open position.
4. Disconnect the Electronic Brake Control Module (EBCM) harness connector (4).
5. Brush off any dirt/debris that has accumulated on the assembly.



6. Remove the four EBCM to Brake Pressure Modulator Valve (BPMV) screws.

Important: 

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

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

7. Separate the EBCM (1) from the BPMV (2) by gently pulling apart until separated.

1. Clean the EBCM gasket and the BPMV surface with alcohol using a clean rag.
2. Install the EBCM (1) to the BPMV (2).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the four screws that attach the EBCM (1) to BPMV (2).

Tighten
Tighten the four screws to 5 N·m (44 lb in).




4. Connect the EBCM harness connector (4).
5. Push down the harness connector lock tab and then move the sliding connector cover back in the home position to lock.



6. Push the CPA (2) back into place.
7. Perform the Diagnostic System Check. Refer to Diagnostic System Check - ABS in ABS.