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.
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HOMESERVICE MANUALSCHEVROLET2025TRAVERSE HIGH COUNTRY, FWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK73 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE: PROGRAMMING AND SETUP (UI3)REPLACE AND PROGRAM CONTROL MODULE OR REPROGRAM CONTROL MODULE
2025 Chevrolet Traverse High Country, FWD
Replace and Program Control Module or Reprogram Control Module
2025 Chevrolet Traverse High Country, FWDSECTION Replace and Program Control Module or Reprogram Control Module
To program a replacement or an existing control module, perform the following procedure:
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- In the SPS Supported Controllers screen, select K73 Telematics Communication Interface Control Module Programming and Service Activation and follow the on-screen instructions.
- At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
- Ensure the ignition is ON and the vehicle has not moved for at least one minute.
- Press and hold the TEST button on the telematics communication interface keypad assembly for at least 4 sec.
- You will hear "Emergency call system test in progress", then follow the audible instructions.
- Upon completion perform 3 ignition cycles.
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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.