LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Wheel And Steering Column >> Diagnostic Information and Procedures >> DTC B285A: Steering Column Position Module >> Component Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing

Steering Column Tilt/Telescope Switch Test

  1. Ignition OFF, disconnect the harness connector at the S71 Steering Column Tilt and Telescope Switch.
  2. Test for infinite resistance between the low reference terminal G and each signal terminal with the S71 Steering Column Tilt and Telescope Switch in the released position.
    • If less than infinite resistance 

      Replace the S71 Steering Column Tilt and Telescope Switch.

    • If infinite resistance 
  3. Test for less than 2 Ω between the ground terminal G and each signal terminal with the S71 Steering Column Tilt and Telescope Switch in the pressed position.
    • If 2 Ω or greater 

      Replace the S71 Steering Column Tilt and Telescope Switch.

    • If less than 2 Ω 
  4. All OK.

Steering Column Telescope Motor Test

  1. Ignition OFF, disconnect the X2 harness connector at the K99 Steering Column Position Control Module.
  2. Test for 1-2.5 Ω between terminal 1 and terminal 2.
    • If not within the specified range 

      Replace the M65 Steering Column Telescope Motor.

    • If within the specified range 
  3. All OK.

Steering Column Tilt Motor Test

  1. Ignition OFF, disconnect the X1 harness connector at the K99 Steering Column Position Control Module.
  2. Test for 1-2.5 Ω between terminal 1 and terminal 2.
    • If not within the specified range 

      Replace the M68 Steering Column Tilt Motor.

    • If within the specified range 
  3. All OK.