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Removal Procedure

NOTE: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

Turn the ignition switch to the OFF position.
Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material.

Fig 1: View Of EBCM Electrical Connector

GM1943764

Courtesy of GENERAL MOTORS CORP.

Disconnect the EBCM electrical connector (1) by lifting the locking tabs on the lower edge of the lever.
Position the electrical connector toward the front of the vehicle.

Fig 2: View Of Brake Fluid Level Indicator Switch & Power Brake Booster Vacuum Sensor Electrical Connectors

GM1943765

Courtesy of GENERAL MOTORS CORP.

Disconnect the power brake booster vacuum sensor electrical connector (1).
Disconnect the brake fluid level indicator switch electrical connector (2).
Release the engine wiring harness retaining clip from the master cylinder mounting stud and position the harness (3) downward.

Fig 3: View Of Upper EBCM Bolts

GM1943766

Courtesy of GENERAL MOTORS CORP.

Remove the 2 upper EBCM bolts (1).

Fig 4: View Of Lower EBCM Bolts

GM1943769

Courtesy of GENERAL MOTORS CORP.

Remove the 2 lower EBCM bolts (1).

Fig 5: Locating EBCM

GM1943771

Courtesy of GENERAL MOTORS CORP.

Carefully separate the EBCM (1) from the BPMV.
Do not pry the components apart.

Fig 6: Locating EBCM Seals

GM1943773

Courtesy of GENERAL MOTORS CORP.

If installing a new EBCM, remove the 12 EBCM seals (1).
Clean the sealing surface of the BPMV with denatured alcohol and a clean shop cloth and allow to dry.