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Home >> Pontiac >> 2006 >> Solstice Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0021 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. 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 side impact module - RF
    • The side impact module wiring harness
    • The SDM module
    • The side impact module - RF wiring harness connector
    • The side impact module wiring harness connector
    • The SDM wiring harness connector
  1. Ignition OFF, disconnect the side impact module - RF wiring harness connector located under the driver front seat.
  2. Connect the J 38715-A  to the harness side of the side impact module - RF 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 B0021 is set history.
    • If DTC B0021 is current turn OFF the ignition and remove the SDM connector. Refer to Control Module References for SDM replacement in Repair Instructions for connector location.
    • Test and repair both side impact module - RF high and low circuits for a short to voltage, short to ground, or open/low resistance. If all circuits test normal then replace the SDM.
  4. Ignition OFF, disconnect and remove the J 38715-A  . See Special Tools . Then connect the side impact module - RF wiring harness connector. Remove the side impact module - RF connector. Use J 38715-30A to connect the J 38715-A  to the harness side of the side impact module - RF connector. See Special Tools . Use the PASSENGER INFLATOR connector located on the load tool.
  5. Ignition ON, use a scan tool to observe the SIR DTC display. Verify DTC B0021 is set history.
    • If DTC B0021 is current the replace the side impact module - RF wiring harness.
  6. If DTC B0021 is history replace the side impact module - RF.