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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 44 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC TESTSDTC B1001: OPTION CONFIGURATION ERRORDIAGNOSTIC PROCEDURE
2001 Chevrolet Cavalier LS, 2.4 T

Diagnostic Procedure

2001 Chevrolet Cavalier LS, 2.4 TSECTION Diagnostic Procedure
WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. If SIR Diagnostic System Check has been performed, go to next step. If SIR Diagnostic System Check has not been performed, go to SIR DIAGNOSTIC SYSTEM CHECK .
  2. If BCM or SDM were replaced, go to step  4. If BCM or SDM were not replaced, go to next step.
  3. Using scan tool, verify that PCM is programmed with correct VIN. If VIN is not correct, go to next step. If VIN is correct, go to step  5.
  4. Using scan too, program correct VIN into PCM. Go to step  8.
  5. Using scan tool, verify that BCM is programmed with correct VIN by comparing VIN in BCM to VIN in PCM. If BCM is programmed with correct VIN, go to step  7. If VIN is not correct, go to next step.
  6. Using scan tool, reprogram BCM. Go to step  8.
  7. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to next step.
  8. Reconnect all SIR components. Turn ignition on. Using scan tool, clear DTC's. Go to SIR DIAGNOSTIC SYSTEM CHECK .
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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.