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Home >> Chevrolet >> 2002 >> Chevy Express G2500, Van Cargo Extended, 6.5 F >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Diagnostic Tests >> DTC B1000: Body Control Module Internal Fault >> Testing

DTC B1000: Body Control Module Internal Fault: Testing

  1. If appropriate diagnostic system check has been performed for system exhibiting symptom, go to next step. If appropriate diagnostic system check has not been performed for system exhibiting symptom, perform appropriate diagnostic system check. See DIAGNOSTIC SYSTEM CHECK  table under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC), located below steering column. Turn ignition switch to RUN position. Retrieve DTCs. If DTC B1004 is retrieved as a current DTC, go to next step. If DTC B1004 is not retrieved as current, go to DIAGNOSTIC AIDS  .
  3. Replace appropriate module. After repair, go to next step.
  4. Using scan tool, clear DTCs. Operate vehicle within conditions for running the DTC as specified in supporting text. If DTC resets, go to step  2 .
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