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.
Reprogram Control Module
2025 Chevrolet Suburban LS, RWDSECTION Reprogram Control Module
Do not reprogram the lighting control module, unless directed by a service procedure, or a service bulletin.
To reprogram an existing control module, perform the following procedure:
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, under Select Controller, select K219 Lighting Control Module.
- On the SPS Supported Controllers screen, under Select Function / Sequence, select Programming and follow on screen instructions.
- Clear All DTCs.
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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.