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Home >> Oldsmobile >> 1998 >> Intrigue GL >> Repair and Diagnosis (Single Page) >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> Diagnostic Tests >> DTC B0603: BCM Internal Memory Malfunction (Write Error) >> Diagnostic Procedures
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Diagnostic Procedures

  1. If BCM diagnostic system check was performed, go to next step. If BCM diagnostic system check was not performed, see procedures in BCM DIAGNOSTIC SYSTEM CHECK  .
  2. Replace BCM. Perform new BCM setup. See BCM PROGRAMMING  . After reprogramming BCM, go to next step.
  3. Turn ignition off. Reinstall all components and connectors. Turn ignition switch to RUN position. Using scan tool, clear DTCs. Check for DTCs. If any DTCs are current, perform procedures in BCM DIAGNOSTIC SYSTEM CHECK  . If no DTCs are current, system is operating properly.
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