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Home >> Cadillac >> 2007 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0081 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Cadillac SRX. 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 PPS module
    • The SDM module
    • The PPS module harness connector
    • The SDM wiring harness connector
  1. Ignition ON, Verify the passenger air bag ON/OFF indicators illuminate.
  2. Ignition ON, verify no PPS DTCs are set.
  3. Verify the correct PPS part number is installed in the vehicle.
    • If the wrong PPS was installed, replace with the correct PPS.
  4. Ignition OFF, disconnect the harness connector at the PPS module.
  5. Ignition OFF, test for less then 5 ohm between the PPS module circuit terminal D and ground.
    • If greater then the specified range, test the circuit for an open/high resistance.
  6. Ignition ON, verify a test lamp illuminates between the PPS module circuit terminal A and ground.
    • If the test lamp does not illuminate, test the circuit for a short to ground or an open/high resistance. If circuit tests normal replace the PPS module.
  7. If all circuits test normal, replace the SDM.
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