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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Inflatable Restraint System >> Diagnostic Tests >> DTC B0051: Deployment Commanded >> Diagnostic Procedure

Diagnostic Procedure

  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. Turn ignition off. If air bags have deployed, go to step  5. If air bags have not deployed, go to next step.
  3. Inspect front of vehicle and undercarriage for signs of impact. If impact has occurred, go to step  5. If no impact has occurred, go to next step.
  4. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  6.
  5. Replace components and perform inspections as required following an accident. See POST-COLLISION INSPECTION .
  6. Reconnect all SIR components. Ensure that all components are properly mounted. Go to SIR DIAGNOSTIC SYSTEM CHECK .
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