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DTC B1000: Control Module Malfunction: Testing

WARNING: This page is about a different car, the 2001 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
  1. If diagnostic system check for system exhibiting symptom has been performed, go to next step. If diagnostic system check for system exhibiting symptom has not been performed, perform appropriate diagnostic system check for suspect system. See BODY CONTROL SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, near steering column. See Figure . Turn ignition switch to RUN position. Using scan tool, retrieved DTCs. If DTC B1000 is retrieved as current, go to next step. If DTC B1000 is not retrieved as current, see DIAGNOSTIC AIDS  .
  3. Replace control module. Program control module, if necessary. See PROGRAMMING  . After repair, go to next step.
  4. Using scan tool, clear DTCs. Operate vehicle within code enable criteria. See CODE ENABLE CRITERIA  . If DTC resets, repeat test beginning at step  2 .
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