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Unable to flash or program bulkhead module (BHM)

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Applicable VehiclesAll vehicles equipped with a bulkhead module (BHM).SymptomsScenario 1:  Technician updates the Features in ServiceLink, then Flashes the BHM, while in "connected Online" mode (see attachment below).  This has been confirmed to put the BHM in "Boot Block" (the programming / flashing attempt fails and will not allow you to reattempt).May also be seen as ServiceLink Error read more