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.
Network Message Chart
Module Network Input Messages -- BCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Passive entry_control code | RFA module | Provides the BCM with the IA key data. The data contains information such as if an IA key has been detected, how many were detected and if it is a programmed key. It also contains the RFA module ID which is checked by the BCM. |
| Passive entry_fob number | RFA module | Tells the BCM which specific programmed IA key is in use. |
| Ignition status (power pack status) | PCM | Provides the BCM with the current ignition status of the PCM. |
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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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