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DTC B1552: Loss Of Body Control Module Keep Alive Memory: Testing

  1. Perform Diagnostic System Check for system exhibiting symptom. See BODY CONTROL SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. Go to next step.
  2. If retrieved DTC is current, go to next step. If retrieved DTC is not current, go to DIAGNOSTIC AIDS  . Performs repairs as necessary.
  3. Replace Body Control Module (BCM). See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Reprogram BCM. See PROGRAMMING  . After replacement, ensure system is operating properly.
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