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DTC 44: Last Message Received With Encryption Error: Testing

  1. Synchronize RKE transmitter. Go to REMOTE KEYLESS ENTRY (RKE) TRANSMITTER SYNCHRONIZATION  under PROGRAMMING. After synchronizing RKE transmitter, go to next step.
  2. Attempt to perform all functions controlled by RKE transmitter (door locks, trunk release and alarm). If RKE transmitter controls all functions, go to next step. If RKE transmitter does not control all functions, proceed to TEST C: KEYLESS ENTRY SYSTEM INOPERATIVE under SYMPTOM TESTS in REMOTE KEYLESS ENTRY SYSTEMS - CAMARO & FIREBIRD article.
  3. Replace BCM. See BODY CONTROL MODULE (BCM)  under REMOVAL & INSTALLATION.
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