Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003MALIBU V6-3.1L VIN JREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSELECTRONIC BRAKE CONTROL MODULESERVICE AND REPAIR
2003 Chevrolet Malibu V6-3.1L VIN J
Electronic Brake Control Module: Service and Repair
2003 Chevrolet Malibu V6-3.1L VIN JSECTION Service and Repair
Electronic Brake Control Module (EBCM) Replacement
Removal Procedure
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. Raise and support the vehicle on a suitable hoist. Refer to Vehicle Lifting.
2. Remove the left engine splash shield.
3. Remove the Connector Position Assurance (CPA) (2) from the connector lock tab (1).
4. Push the lock tab (1) down and then move the sliding connector cover to the open position.
5. Disconnect the EBCM harness connector (2) from the EBCM (1).
6. Brush off any dirt or debris that has accumulated on the EBCM/BPMV assembly.
7. Remove the 4 EBCM to BPMV screws.
Important:
^ Do not pry apart using a tool. Be careful not to damage the BPMV surface.
^ Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.
8. Remove the EBCM (1) from the BPMV (2) by gently pulling apart until separated.
Installation Procedure
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: Refer to Fastener Notice in Service Precautions.
3. Install the 4 screws that attach the EBCM (1) to the BPMV (2).
^ Tighten the screws to 5 Nm (44 inch lbs.).
4. Connect the EBCM harness connector (2) to the EBCM (1).
5. Push down the harness connector lock tab (1) and then move the sliding connector cover back in the home position to lock.
6. Push the CPA (2) back into place.
7. Install the left engine splash shield.
8. Lower the vehicle. Refer to Vehicle Lifting.
9. Perform the Diagnostic System Check - ABS.
Removal Procedure
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. Raise and support the vehicle on a suitable hoist. Refer to Vehicle Lifting.
2. Remove the left engine splash shield.
3. Remove the Connector Position Assurance (CPA) (2) from the connector lock tab (1).
4. Push the lock tab (1) down and then move the sliding connector cover to the open position.
5. Disconnect the EBCM harness connector (2) from the EBCM (1).
6. Brush off any dirt or debris that has accumulated on the EBCM/BPMV assembly.
7. Remove the 4 EBCM to BPMV screws.
Important:
^ Do not pry apart using a tool. Be careful not to damage the BPMV surface.
^ Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.
8. Remove the EBCM (1) from the BPMV (2) by gently pulling apart until separated.
Installation Procedure
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: Refer to Fastener Notice in Service Precautions.
3. Install the 4 screws that attach the EBCM (1) to the BPMV (2).
^ Tighten the screws to 5 Nm (44 inch lbs.).
4. Connect the EBCM harness connector (2) to the EBCM (1).
5. Push down the harness connector lock tab (1) and then move the sliding connector cover back in the home position to lock.
6. Push the CPA (2) back into place.
7. Install the left engine splash shield.
8. Lower the vehicle. Refer to Vehicle Lifting.
9. Perform the Diagnostic System Check - ABS.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.