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.
41 00... AFGS (active pedestrian protection) procedure after accident: Notes
The AFGS system consists of the following components:
- Satellites (control unit + sensor)
- Sensors, inside, bumper trim, left/middle/right
- ACSM control unit (Crash Safety Module)
- Cables and connectors
- Engine compartment lid hinges
- Actuator
- Engine compartment lid hinge
- Engine compartment lid catch
- Catch, engine compartment lid
- Catch, upper section (striker)
In case of a frontal or side collision in the area of the engine compartment lid and/or the A-pillars, check the following components:
Satellites (control unit + sensor)
- Procedure
- Read fault memory
- Disconnect battery and observe waiting period
- Rectify faults
- Reconnect battery and observe waiting period
- Delete fault memory
- Turn off ignition and wait at least 2 minutes (no consumers may be switched on during this period such as e.g. interior lights, radio, etc.)
- Switch on ignition.
- Clear fault memory and if necessary rectify faults
Cables and connectors
- Procedure
- Check cables and connectors for damage, replace if necessary.
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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.