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Home >> Chevrolet >> 2016 >> SS Automatic Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Power Seat System >> Diagnostic Information and Procedures >> DTC B1850: Driver Seat Lumbar Support Horizontal Position Sensor Circuit >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Driver Seat Lumbar Support Horizontal Position parameter is between 0.25-4.65 V and changes when the lumbar switch is pressed in both directions.
    • If not between 0.27-4.65 V or does not change 

      Refer to Circuit/System Testing

    • If between 0.257-4.65 V 
  3. All OK.
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