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Home >> Cadillac >> 2019 >> XT5 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B305C >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac XT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Key Part Number parameter displays a Key Part Number when turning the ignition ON with each key/transmitter.
    • If a Key Part Number is not read 

      Replace the appropriate key/transmitter.

    • Go to next step: If a Key Part Number is read for each key 
  3. All OK.
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