K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
Electronic Brake Control Module: Service and Repair
Electronic Brake Control Module (EBCM)
Antilock Brake System
Electronic Brake Control Module (EBCM) Replacement (w/o JL4)
Removal Procedure
Important: After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.
Caution: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Important: The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.
3. Thoroughly wash all contaminants from around the EHCU (1).
4. Disconnect the electrical connectors from the EBCM.
5. Loosen or remove 3 bolts (4) securing the EHCU mounting bracket (3) to the frame rail (5).
6. Gently move the EHCU down enough to remove the four mounting screws that fasten the EBCM (2) to the BPMV (1).
7. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
8. Clean the BPMV to EBCM mounting surfaces with a clean cloth.
Installation Procedure
Important: Do not reuse the old mounting screws. Always install new mounting screws with the new EBCM.
