Silverado 3500 4WD V8-6.0L VIN U (2004)
5. Remove the mounting screws (1) that fasten the EBCM (2) to the BPMV (3).
6. Remove the EBCM (2) from the BPMV (3). Removal may require a light amount of force.
Notice: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.