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DTC B1000: Control Module Malfunction: Testing

  1. Perform diagnostic system check for suspect system control module. See DIAGNOSTIC SYSTEM CHECK  table under SELF-DIAGNOSTIC SYSTEM. Repair as necessary and go to step  4. If diagnostic system check has been performed for suspect system control module, go to next step.
  2. Check if DTC B1000 was set as a current DTC. If DTC B1000 was set as a current DTC, go to next step. If DTC B1000 was not set as a current DTC go to DIAGNOSTIC AIDS  before proceeding to next step.
  3. Replace, suspect control module. Program and configure new control module. Go to next step.
  4. Using scan tool, clear DTCs. Operate vehicle within CODE ENABLE CRITERIA  conditions. Using scan tool, retrieve DTCs. If DTC B1000 resets, return to step  2. If DTC B1000 does not reset, system is okay.
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