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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seat Belt System >> Diagnostic Information and Procedures >> DTC B0072 or B0073: Driver/Passenger Seat Belt Switch Circuit >> Component Testing

Component Testing

  1. Ignition OFF. Scan tool disconnected. Disconnect the harness connector at the appropriate B153 Seat Belt Buckle. It may take up to 2 min for all vehicle systems to power down.
  2. Test for infinite resistance between the signal terminal 1 and the low reference terminal 2.
    • If less than infinite resistance 

      Replace the B153 Seat Belt Buckle.

    • If infinite resistance 
  3. Insert the seat belt into the buckle.
  4. Test for less than 5 Ω between the signal terminal 1 and the low reference terminal 2.
    • If 5 Ω or greater 

      Replace the B153 Seat Belt Buckle.

    • If less than 5 Ω 
  5. All OK.
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