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 MANUALSCHEVROLET2012EXPRESS 3500 V8-4.8LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLRELAYS AND MODULES - BRAKES AND TRACTION CONTROLELECTRONIC BRAKE CONTROL MODULESERVICE AND REPAIR
2012 Chevrolet Express 3500 V8-4.8L
Electronic Brake Control Module: Service and Repair
2012 Chevrolet Express 3500 V8-4.8LSECTION Service and Repair
Electronic Brake Control Module Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
3. Remove the brake modulator shield mounting nuts, if equipped.
4. Remove the brake modulator shield mounting bolt and the brake modulator shield, if equipped.
5. Remove all dirt and debris from the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV) before loosening or removing any of the components.
6. Disconnect the electrical connector from the EBCM.
7. Remove and discard the EBCM bolts (1).
8. Carefully remove the EBCM (1) from the BPMV.
9. Clean the sealing surface of the BPMV using denatured alcohol and a clean shop cloth.
Installation Procedure
1. Carefully align and install the EBCM (1) to the BPMV.
Do not force the components together.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install new EBCM bolts (1).
Tighten the bolts in a cross pattern to 3 Nm (27 lb in).
3. Connect the electrical connector to the EBCM.
4. Install the brake modulator shield and the mounting nuts, if equipped, and tighten to 25 Nm (18 lb ft).
5. Install the brake modulator shield mounting bolt and tighten to 25 Nm (18 lb ft).
6. Lower the vehicle.
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
8. Refer to Control Module References Control Module References for programming and setup information.
RENDER: 1.0x
NO RELATED
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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.