Battery Energy Control Module B (BECMB): Installation

2021 Ford Edge SE, 4WDSECTION Installation
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Incorrect repair techniques or actions can cause an accidental pyrotechnic device deployment. Make sure the supplemental restraint and pedestrian protection system (if equipped) is depowered before reconnecting the component. Refer to Supplemental Restraint System (SRS) DepoweringΒ  . Failure to precisely follow depowering instructions could result in serious personal injury from an accidental deployment.
  1. To install, reverse the removal procedure.
  2. Repower the SRS. For a new BECMB, do not prove out the SRS at this time. Refer to: Supplemental Restraint System (SRS) RepoweringΒ .
  3. NOTE: This step is only necessary when installing a new component.

    Using a diagnostic scan tool, complete the PMI process for the BECMB following the on-screen instructions.

    • If a new BECMB was installed, prove out the SRS as follows: Turn the ignition from ON to OFF. Wait 10 seconds, then turn the ignition back to ON and monitor the airbag warning indicator with the airbag modules installed. The airbag warning indicator illuminates continuously for approximately 6 seconds and then turns off. If a SRS fault is present, the airbag warning indicator either fails to light, remains lit continuously or flashes.

    • The flashing might not occur until approximately 30 seconds after the ignition has been turned from OFF to ON. This is the time required for the BECMB to complete the testing of the SRS. If the airbag warning indicator is inoperative and a SRS fault exists, a chime sounds in a pattern of 5 sets of 5 beeps. If this occurs, diagnose and repair the airbag warning indicator and any SRS faults.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.