Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Replace and Program Control Module
When replacing just the entire steering gear, follow the steps for Reprogram Control Module.
To program a replacement power steering control module, perform the following procedure:
- Install EL-49642 SPS programming support tool.
- Ignition ON.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select Power Steering Control Module - Programming and follow the on-screen instructions.
- At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
- On the SPS Supported Controllers screen, select Power Steering Control Module - Setup and follow the on-screen instructions.
- With a scan tool, Clear All DTCs.
Power Steering Control Module - Setup reads the torque sensor signal, which is part of the steering gear, and stores it in the control module without any external torque influences. Ensure Torque Sensor Harness is connected and the tie rod ends and steering intermediate shaft are disconnected before performing this step.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.