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 or Reprogram Control Module
To program an existing control module, perform the following procedure:
- Ignition/Vehicle OFF, keep the key inside the vehicle.
- 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 K179 Automated Driving Mapping Module - Programming and follow the on-screen instructions.
- To the left side of the SPS Supported Controllers screen in the TIS system.
- In the lower right corner of the SPS Supported Controllers screen in the Techline Connect system.
- On the SPS Supported Controllers screen, select Serial Data Authentication Configuration button and follow the on-screen instructions.
- Ignition/Vehicle OFF, all access doors closed, all vehicle systems OFF, and all keys at least 3 m (9.8 ft) away from vehicle. Disconnect the scan tool from the vehicle. It may take up to 10 min for all vehicle systems to power down.
- Ignition ON/Vehicle In Service Mode.
- Using a scan tool, clear DTCs.
The Serial Data Authentication Configuration button is located in the following location:
Use the Manual With the Right Hardware
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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.
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