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DTC B1013: Calibration ROM Checksum Error: Testing

  1. Perform BCM diagnostic system check. See BODY CONTROL MODULE (BCM) DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After performing diagnostic system check, go to next step.
  2. Turn ignition off. Replace BCM. See BODY CONTROL MODULE (BCM)  under REMOVAL & INSTALLATION. After repair, perform set up procedure. See NEW BCM SETUP  under PROGRAMMING. After replacement and programming, system is okay.
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