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Unable To Communicate With Remote Control Door Lock Receiver (RCDLR)

  1. Check for DTC U1176. See BCM DTC DEFINITION  . If DTC U1176 exists, see appropriate test under DIAGNOSIS & REPAIR  . If DTC U1176 does not exist, go to next step.
  2. Check for a poor connection at RCDLR 4-pin connector terminal "B" (Brown/White wire). Repair as necessary. If connection is okay, replace RCDLR.