Reprogram Control Module
WARNING: This page is about a different car, the 2015 GMC Terrain and 2015 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
To reprogram an existing Electric Power Steering Control Module WITHOUT replacement, perform the following procedure;
- Install EL-49642 SPS programming support tool.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Configuration and follow the on-screen instructions.
- Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
- Ignition ON.
- On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Setup and follow the on-screen instructions.
- Perform the Steering Angle Sensor Centering and Software Endstop Learning procedure. Refer to Power Steering Control Module Calibration .
- Clear all DTCs after completing the programming and setup procedures.