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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 78 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC 036CIRCUIT/SYSTEM TESTING
2008 Pontiac Grand Prix Base

Circuit/System Testing

2008 Pontiac Grand Prix BaseSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 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 Passenger Presence System (PPS) Replacement  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 . Verify DTC 036 does not exist.
    • If DTC 036 reset replaced the SDM.
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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.
  • • You are not confident in the next step or safety outcome.