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Home >> Buick >> 2021 >> Enclave Preferred >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Electronic Transmission Range Select System >> Diagnostic Information and Procedures >> DTC P082A-P082F >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Transmission Gear Lever X Position 1 Duty Cycle and Transmission Gear Lever Y Position 1 Duty Cycle parameters are between 5% and 95% and duty cycle changes when gear lever is moved to different positions.
    • If Transmission Gear Lever X Position 1 Duty Cycle is less than 5% or greater than 95% or does not change 

      Refer to Circuit/System Testing for Transmission Range Selector X Position Sensor 1.

    • If Transmission Gear Lever Y Position 1 Duty Cycle is less than 5% or greater than 95% or does not change 

      Refer to Circuit/System Testing for Transmission Range Selector Y Position Sensor 1.

    • If both parameters are between 5% and 95% and change but the DTC is still present 

      Refer to Circuit/System Testing for the appropriate sensor.

    • Go to next step: If both parameters are between 5% and 95% and change with no DTC present 
  3. All OK.
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