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.
B276B-13-Left Hood Hinge Pedestrian Protection Squib - Open: Notes
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
For description of the Electronic Pedestrian Protection Module (EPPM). Refer to MODULE, ELECTRONIC PEDESTRIAN PROTECTION, DESCRIPTION . For operation of the EPPM. Refer to MODULE, ELECTRONIC PEDESTRIAN PROTECTION, OPERATION . When powered, the EPPM sends a test current to the (special tool #8443A, SRS Load Tool) in the tests below substitutes a suspect EPPM actuator squib with a known good component. The use of the (special tool #8443-25, 56 Way ACM Adapter) provides a test point, as well as a method for opening the shorting bar connections within the harness connector. The EPPM is powered by a Ignition Run/Start (F943) control output circuit through the 32 pin connector side of the 56 way EPPM module connector. The 32 pin connector side of the 56 way EPPM module connector provides ground.
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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.