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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESDIAGNOSTIC TESTSDTC B1000: BODY CONTROL MODULE MALFUNCTIONTESTING
2001 Chevrolet Cavalier LS, 2.4 T

DTC B1000: Body Control Module Malfunction: Testing

2001 Chevrolet Cavalier LS, 2.4 TSECTION Testing
  1. If Body Control Module (BCM) diagnostic system check has been performed, go to next step. If BCM diagnostic system check has not been performed, go to BODY CONTROL SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Connect scan tool to Data Link Connector (DLC). DLC is located at lower left side of instrument panel, near steering column. Turn ignition switch to RUN position. Retrieve DTCs. If DTC B1000 is retrieved as current, replace BCM. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Program BCM. See BODY CONTROL MODULE PROGRAMMING/REGULAR PRODUCTION OPTION CONFIGURATION  under PROGRAMMING. If DTC B1000 is not retrieved, go to DIAGNOSTIC AIDS  . System is okay at this time.
  3. Using scan tool, clear DTCs. Turn ignition switch to RUN position. Retrieve DTCs. If DTC B1000 is retrieved, go to step  2 . If DTC B1000 is not retrieved, system is okay at this time.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.