Electronic Brake Control Module: Service and Repair

REMOVAL PROCEDURE

CAUTION: Do not pry EBCM/EBTCM. Be careful not to damage seal (if reusing module). If seal is damaged during removal, repair damaged area using GM PIN 123456739 silicone sealer or replace EBCM/EBTCM.

IMPORTANT: You may not repair the EBCM/EBTCM. If the assembly is faulty, replace the EBCM/EBTCM as an assembly.





1. Turn the ignition switch to the OFF position.
2. Remove the air cleaner assembly and the PCM cover.
3. Disconnect the EBCM/EBTCM harness connector.
4. Remove the front EBCM/EBTCM bracket from the vehicle (5).
5. Remove the EBCM/EBTCM center bracket mounting bolt (4).
6. Remove the 4 EBCM/EBTCM to the BPMV bolts (1).

IMPORTANT: Do not twist the assembly.





7. Remove the EBCM/EBTCM by pulling rearward until the internal connector disengages.

INSTALLATION PROCEDURE

NOTICE: Be sure to reconnect all harness retaining clips that may have been disconnected during the removal procedure in their original positions. Then perform a visual inspections of the entire harness checking to make sure all retaining clips are properly connected.

IMPORTANT: When replacing the EBCM/EBTCM, you must recalibrate the Magnasteer. Refer to Variable Effort Steering Programming in Variable Effort Steering.





1. Clean the EBCM/EBTCM seal and the BPMV gasket surface using alcohol.

NOTICE: Refer to Fastener Notice in Service Precautions.

2. Install the EBCM/EBTCM to the BPMV.
^ Tighten the 4 EBCM/EBTCM to BPMV bolts (1) to 6 Nm (53 inch lbs.).





3. Install the front EBCM/EBTCM bracket (5).
^ Tighten the EBCM/EBTCM center bracket mounting bolt (4) to 14 Nm (10 ft. lbs.).

4. Connect the EBCM/EBTCM harness connector.
5. Install the air cleaner assembly and the PCM cover.
6. Turn the ignition switch to the RUN position. Ensure that the engine is off.
7. Perform the ABS Diagnostic System Check.