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Home >> Chevrolet >> 2005 >> Cobalt SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC 064 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. 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 064 is set.
  2. Ignition OFF, disconnect the PPS module connector. Refer to PPS replacement in Repair Instructions for connector location.
  3. Remove the SDM connector, refer to SDM 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. Refer to Passenger Presence System Flash Code Procedures . Rezero the PPS, refer to Passenger Presence System Rezeroing . Verify DTC 064 does not exist.
    • If DTC 064 reset replaced the SDM.
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