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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that all harness connectors are installed properly at the K43 Power Steering Control Module.
    • If a harness connector at the K43 Power Steering Control Module is not installed properly 
    1. Connect the appropriate harness connector properly at the K43 Power Steering Control Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the Steering Gear.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If all harness connectors at the K43 Power Steering Control Module are installed properly 
  2. Ignition ON.
  3. Verify the scan tool Torque Sensor parameter changes when turning the steering wheel.
    • If the parameter does not change 

      Replace the Steering Gear.

    • Go to next step: If the parameter changes 
  4. All OK.
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