The Enclave came if for routine service and a wheel bearing noise. The blind spot warning indicators were always illuminated on both mirrors. The customer had discovered a bulletin/recall that should apply but according to GM does not. #N172097060 if you want to Google it. The blind spot detection modules apparently get moisture inside and take down communication of various modules on the low speed GM Lan. I removed the modules from the bus by removing pin 3 at the JX405 splice pack.
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