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Home >> Cadillac >> 2017 >> XT5 Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Range Select System >> Diagnostic Information and Procedures >> DTC P17A3-P17A5: Transmission Shift Interlock 1 Circuit >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON/Vehicle in Service Mode.
  2. Verify the scan tool Transmission Shift Interlock Switch 1 parameter changes to 50% - 60% when the Shift Interlock Button is depressed on the Transmission Shift Lever assembly.
    • If parameter does not change to 50% - 60% 

      Refer to Circuit/System Testing.

    • If parameter changes to 50% - 60% 
  3. All OK.
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