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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC 036 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 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 PPS module
    • The SDM module
    • The PPS wiring harness connector
    • The SDM wiring harness connector
  1. Ignition ON, use the scan tool. Go to the PPS menu, then retrieve the DTCs. Refer to Passenger Presence System Flash Code Procedures . Verify DTC 036 is set.
  2. Ignition OFF, disconnect the PPS module connector. Refer to Inflatable Restraint Passenger Presence System Replacement - Front  in Repair Instructions for connector location.
  3. Remove the SDM connector, refer to Inflatable Restraint Sensing and Diagnostic Module Replacement  in Repair Instructions for connector location.
  4. Test the PPS communication circuit between the SDM and the PPS for a short to ground, a high resistance or an open. Verify short to ground, a high resistance or an open exist.
    • If any of the above conditions are found make the appropriate repair.
  5. Replace the PPS.
  6. Use the scan tool to clear all PPS DTCs. Rezero the PPS. Refer to Passenger Presence System Rezeroing Procedure . Verify DTC 036 does not exist.
    • If DTC 036 reset replaced the SDM.
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