He’d already replaced the battery twice. After verifying the power and ground connections to the BCM were solid, it was clear the module itself was failing internally. Are you dealing with baffling electrical issues in your 2010 Escalade ESV?.
Programmed 2010 Escalade EXT BCM Body Control Module 15093910
Genuine ACDelco For Cadillac Escalade/Escalade ESV 2010-2014 Park Assist Module
OCPTY 2423 New Radiator Fits for 2002-2005 for Cadillac for Escalade 5.3L 2002-2006 for Cadillac for Escalade 6.0L 2007-2013 for Cadillac for Escalade 6.2L 2005-2006 for Escalade ESV 6.0L
Stop Light Switch For 2007-2012 Cadillac Escalade ESV 2008 2009 2010 RH284GS
Engine Coolant Reservoir Cap URO For 2010-2017 Cadillac Escalade ESV
4 Seasons A/C Evaporator Core Rear For 2010-2014 Cadillac Escalade ESV