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Home >> Chevrolet >> 2001 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Electrical >> Charging Systems >> Diagnostic Tests >> DTC B0846: Left Seat Control Module Battery 2 Out Of Range
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DTC B0846: Left Seat Control Module Battery 2 Out Of Range

  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 2 parameter in Left Seat Control Module (SCM) data list. If scan tool indicates Battery 2 parameter is 8.5-16.3 volts, problem is intermittent. Check wiring and connections. If scan tool does not indicate Battery 2 parameter is 8.5-16.3 volts, go to next step.
  3. Turn ignition switch to OFF position. Disconnect SCM harness connector C3. SCM is located below driver's seat. Turn ignition switch to RUN position. Measure voltage from Battery 2 positive voltage circuit to a good ground. If voltage is 8.5-16.3 volts, go to next step. If voltage is not 8.5-16.3 volts, go to step  5 .
  4. Inspect SCM harness connector and instrument panel fuse block for poor connections. If problem exists, repair as necessary. After repair, go to step  7 . If problem does not exist, go to step  6 .
  5. Repair high resistance in Battery 2 positive voltage circuit. After repair, go to next step.
  6. Replace SCM. See POWER SEATS - CORVETTE article in ACCESSORIES & EQUIPMENT. After repair, go to next step.
  7. Using scan tool, clear DTCs. Start engine. If DTC B0846 resets, repeat test beginning at step  2 . If DTC B0846 does not reset, system is okay.
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