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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0057, B0058, or B0059 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector.
    • The seat belt retractor pretensioner - RF
    • The SDM module
    • The seat belt retractor pretensioner - RF wiring harness connector
    • The SDM wiring harness connector
  1. Ignition OFF, disconnect the seat belt pretensioner - RF wiring harness connector located under the passenger front seat.
  2. Use the J 38715-A  to connect the harness side of the seat belt pretensioner - RF connector. See Special Tools . Use the PASSENGER INFLATOR connector located on the load tool.
  3. Ignition ON, use a scan tool to observe the SIR DTC display. Verify DTC B0057, B0058, or B0059 is set current.
    • If DTC B0057, B0058, or B0059 is history replace the seat belt pretensioner - RF.
  4. Ignition OFF, disconnect and remove the J 38715-A  . See Special Tools .
  5. Disconnect the SDM harness connector.
  6. Test the high and low circuits between the SDM and seat belt pretensioner - RF for a short to voltage, short to ground, or open/low resistance. Verify that a short to voltage, short to ground, or open/low resistance does not exist.
    • If any of the above conditions are found make the appropriate repair.
  7. If all circuits test normal then replace the SDM.
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