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.
Theory Of Operation
The Radio Frequency (RF) Hub module sends out a start signal request message over the communication network when either a valid remote start request occurs or the Keyless Ignition Node (KIN) receiver Start/Stop Button is pressed and cycled to RUN with the Brake Pedal applied while the FOB is present in the vehicle. The Body Control Module (BCM) receives the start signal request message and provides voltage to the coil of the Starter Relay.
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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.