2006 Chevrolet Cobalt ABS Control Module

You need to turn the ignition switch to the OFF position, remove the throttle body air snorkel, then clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material, disconnect the electrical connector from the EBCM, remove the 4 EBCM-to-BPMV retaining bolts, ensure that the EBCM-to-BPMV mating surfaces are not scratched during EBCM removal, finally separate the EBCM from the BPMV by carefully pulling apart.

You should clean the EBCM mating surface of the BPMV, with denatured alcohol, or equivalent, ensure that the EBCM to BPMV seal is fully seated in the groove on the EBCM, install the EBCM to the BPMV, then install the 4 EBCM-to-BPMV retaining bolts, connect the electrical connector to the EBCM, install the throttle body air snorkel, and program the EBCM if a new EBCM was installed, and turn the ignition switch to the ON position, finally perform the diagnostic system check-vehicle.