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Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0074: Passenger Presence Sensor >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: This system is serviced as a kit (module and sensing mat). Perform Passenger Presence System Programming and Setup procedure whenever a component is replaced. Inspect the following component connectors for damage or corrosion. Repair or replace the affected component/connector:
  • Passenger presence module harness connector
  • Seat wiring harness to vehicle harness connector

The connector and connector position assurance (CPA) may seat independent of each other. Both the connector and CPA should seat with an audible and/or tactile click.

  1. Confirm that all passenger presence module and sensor connectors are fully seated.
  2. Verify DTC B0074 is not set.
    • If DTC B0074 is set 

      Replace the K85 passenger presence module.

    • If DTC B0074 does not set 
  3. All OK.
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