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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1094 (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 CTS. 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 no PPS DTCs are set.
  2. Verify the correct PPS part number is installed in the vehicle.
    • If the incorrect PPS is installed, replace with the correct PPS.
  3. Ignition OFF, disconnect the harness connector at the PPS.
  4. Ignition OFF, test for less then 10 ohms between the ground circuit terminal D and ground.
    • If greater then the specified range, test the ground circuit for an open/high resistance.
  5. Ignition ON, verify a test lamp illuminates between the B+ circuit terminal A and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  6. Reconnect all PPS components and perform the Passenger Presence System Rezeroing .
  7. Clear all DTCs and operate the vehicle within the conditions for running the DTC. DTC B0081 should not set.
    • If DTC B0081 sets, replace the PPS.
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