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.
Air Bag Control Module (ACM)
ACM is located in front of center console. Impact sensor (safing sensor) is an integral part of ACM. The ACM monitors critical input and output circuits within air bag system, ensuring they are operating correctly. Some circuits are tested continuously; others are checked only under certain conditions. The ACM provides information about air bag system through AIR BAG warning light and ACM data link connector. A fault code (message) is stored whenever AIR BAG warning light stays on for 12 seconds or more.
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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.