Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESDIAGNOSTIC TESTSDTC B1001: OPTION CONFIGURATION ERRORTESTING
2001 Chevrolet Cavalier LS, 2.4 T
DTC B1001: Option Configuration Error: Testing
2001 Chevrolet Cavalier LS, 2.4 TSECTION Testing
- 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.
- 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 Diagnostic Trouble Codes (DTCs). If DTC B1001 is retrieved, go to next step. If DTC B1001 is not retrieved, system is okay at this time.
- Replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION. Program BCM. See BODY CONTROL MODULE PROGRAMMING/REGULAR PRODUCTION OPTION CONFIGURATION under PROGRAMMING.
RENDER: 1.0x
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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.