Removal Procedure

WARNING: Refer to Brake Fluid Warning .

WARNING: Refer to Brake Fluid Irritant Warning .

CAUTION: Refer to Adding Fluid to the Brake System Caution .

CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution .

NOTE: If the electronic brake control module (EBCM) or brake pressure modulator valve (BPMV) is to be replaced under manufacturer warranty, do not disassemble the EBCM/BPMV assembly. If the EBCM or BPMV is faulty, replace the EBCM/BPMV as an assembly.

NOTE: The area around the electronic brake control module (EBCM) must be free from loose dirt to prevent contamination of dissembled ABS components.

Turn the key to the ignition OFF position.

Fig 1: Identifying EBCM & Connector Tab

Courtesy of GENERAL MOTORS CORP.

Remove the EBCM/BPMV assembly. Refer to Brake Pressure Modulator Valve Assembly Replacement .
Clean the EBCM/BPMV assembly.
Rotate the EBCM connector tab (2) up to the unlocked position.

CAUTION: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

Disconnect the EBCM electrical connector (1) and position out of the way.

Fig 2: Identifying EBCM & BPMV Retaining Screws

Courtesy of GENERAL MOTORS CORP.

NOTE: EBCM to BPMV retaining screws are a single use only component. NEW EBCM to BPMV retaining screws must be installed whenever the EBCM to BPMV retaining screws are removed.

Remove the EBCM to BPMV retaining screws (1) and discard.
Discard the screws.
Clean the surface of the EBCM/BPMV assembly.

Fig 3: Identifying EBCM & BPMV

Courtesy of GENERAL MOTORS CORP.

NOTE: The EBCM (1) cannot be repaired. If faulty, the EBCM (1) must be replaced.

Separate the EBCM (1) from the BPMV (2).