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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Steering >> Steering Wheel And Steering Column >> Diagnostic Information and Procedures >> DTC B285A: Steering Column Position Module >> Circuit/System Testing >> Telescope Motor Malfunction

Telescope Motor Malfunction

  1. Ignition OFF, disconnect the X2 harness connector at the K99 Steering Column Position Control Module, ignition ON.
  2. Test for less than 1 V between each K99 Steering Column Position Control Module harness connector terminals listed below and ground.
    • Steering Column Telescope Motor Forward - terminal 7
    • Steering Column Telescope Motor Rearward - terminal 8
    • Steering Column Telescope Motor Signal - terminal 1
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • If less than 1 V 
  3. Ignition OFF.
  4. Test for infinite resistance between each K99 Steering Column Position Control Module harness connector terminals listed below and ground.
    • Steering Column Telescope Motor Forward - terminal 7
    • Steering Column Telescope Motor Rearward - terminal 8
    • Steering Column Telescope Motor Signal - terminal 1
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • If Infinite resistance 
  5. Replace the M65 Steering Column Telescope Motor.
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