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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Inflatable Restraints >> Diagnostic Information and Procedures >> DTC B0056-B0058 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition OFF, verify that the vehicle does not show any signs of inflator module or pretensioner deployment.
  2. Verify DTC B0052, B0053, or B0055 is not set.
  3. Clear DTCs. Verify DTC B0056, B0057, or B0058 is not set.
    • If DTC is set, replace the SDM.
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