K43 Power Steering Control Module: Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

The electronic power steering control module is part of the power steering assist motor assembly and is electronically paired with the steering column sensors.

Replace and Program Control Module or Reprogram Control Module

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. With the Power Steering Assist Motor replaced and reconnected, on the SPS Supported Controllers screen, select K43 Power Steering Control Module - Programming and follow the on-screen instructions.
  3. Ignition/Vehicle OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
  4. Ignition ON/Vehicle in Service Mode.
  5. On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Setup and follow the on-screen instructions.
  6. Clear DTCs.

Steering Angle Sensor Centering and Software Endstop Learning

For the steering angle sensor centering and software endstop learning, refer to Power Steering Control Module Calibration.

Unsuccessful Programming Recovery

In the event of an interrupted or unsuccessful programming event, perform the following steps:

  1. Ignition ON/Vehicle in Service Mode. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
  2. Verify the control module can be reprogrammed.
    • If the control module cannot be reprogrammed
    1. Ignition/Vehicle OFF for one minute, ignition ON/vehicle in service mode.
    2. Verify the control module can be reprogrammed.
      • If the control module cannot be reprogrammed, replace the control module.
      • If the control module can be reprogrammed.
    3. All OK.
    • If the control module can be reprogrammed
  3. All OK.