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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Supplemental Restraints System) >> Diagnostic Information and Procedures >> DTC B1619 or B161A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The condition may be intermittent and require driving the vehicle, then reviewing the snapshot to verify resistance parameters do not drop out or spike. Refer to Testing for Intermittent Conditions and Poor Connections

  1. Verify the appropriate scan tool Deployment Loop Resistance parameters stay consistently between 2.1 and 4.0 Ω for the F112 Seat Belt Retractor Pretensioner.
    • If less than 2.1 Ω or greater than 4.0 Ω 

      Refer to Circuit/System Testing.

    • Go to next step: If between 2.1 - 4.0 Ω without any spikes or dropouts 
  2. A fault is not currently present and may be an intermittent condition.
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