Electronic Brake Control Module Replacement (With JL4)

Fig 1: Locating Electronic Brake Control Module (With JL4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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. Preliminary Procedures Turn the ignition switch to the OFF position. Remove the cover from the engine control module (ECM) and transmission control module (TCM). 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.
1	Electronic Brake Control Module (EBCM) Bolts (Qty: 4) NOTE: Refer to Fastener Notice . Tighten: 3 N.m (27 lb in)
2	EBCM Procedure Separate the EBCM from the BPMV by carefully pulling apart. Do not pry the components apart. If a new EBCM is being installed, program the EBCM. Refer to Control Module References .
3	EBCM O-Ring Seal (Qty: 12) Procedure If installing a new EBCM, install new O-ring seals. Clean the sealing surfaces of the BPMV with denatured alcohol and a clean shop cloth.