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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0015CIRCUIT/SYSTEM TESTING
2009 Chevrolet Tahoe Base, 4.8 C

Circuit/System Testing

2009 Chevrolet Tahoe Base, 4.8 CSECTION Circuit/System Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. 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 - LF
    • The SDM module
    • The seat belt retractor pretensioner - LF wiring harness connector
    • The SDM wiring harness connector
  1. Ignition OFF, remove the center pillar trim and disconnect the seat belt retractor pretensioner - LF connector. Refer to Garnish Molding Replacement - Center Pillar Lower .
  2. Use J 38715-30A adapter to connect the J 38715-A  to the harness side of the seat belt retractor pretensioner - LF wiring harness 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 B0015 is set current.
    • If DTC B0015 is history replace the seat belt retractor pretensioner - LF.
  4. Ignition OFF, disconnect and remove both the J 38715-A  and adapter. See Special Tools . Then remove the SDM connector. Refer to SDM replacement  in Repair Instructions for connector location.
  5. Test the high and low circuits between the SDM and seat belt retractor pretensioner - LF for a short to voltage, short to ground, an open, or 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.
  6. If all circuits test normal then replace the SDM.
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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.
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  • • You are missing required tools, torque specs, or safe lifting equipment.
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