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DTC B2285: Right Door Control Module Battery 2 Circuit

  1. If diagnostic system check was not performed, perform ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. If diagnostic system check was performed, go to next step.
  2. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel. Turn ignition switch to RUN position. Using scan tool, observe Battery 1 parameter in Right Door Control Module (RDCM) data list. If scan tool indicates Battery 1 parameter is 9.0-16.3 volts, problem is intermittent. Check wiring and connections. If scan tool does not indicate Battery 1 parameter is 9.0-16.3 volts, go to next step.
  3. Test RDCM Battery 1 positive voltage circuit for high resistance. If problem exists, repair as necessary. After repair, go to step  6 . If problem does not exist, go to next step.
  4. Inspect RDCM harness connector and instrument panel fuse block for poor connections. If problem exists, repair as necessary. After repair, go to step  6 . If problem does not exist, go to next step.
  5. Replace RDCM. Reprogram RDCM, if necessary. See POWER DOOR LOCKS - CORVETTE article in ACCESSORIES & EQUIPMENT. After repair, go to next step.
  6. Using scan tool, clear DTCs. Start engine. If DTC B2285 resets, repeat test beginning at step  2 . If DTC B2285 does not reset, system is okay.
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