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 Procedure After Accident (Active Pedestrian Protection)
The AFGS system consists of the following components: Satellites (control unit + sensor), Sensors, bumper panel inside, ACSM control unit (Crash Safety Module)
Cables and connectors Engine compartment lid hinges: Actuator, Engine compartment lid hinge
Gas pressure spring
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 the ignition, Clear fault memory and if necessary rectify faults.
Cables and connectors: Procedure: Check cables and connectors for damage, replace if necessary.
Procedure if AFGS was activated: Engine compartment lid hinges, Replace actuators, Check both hinges of the engine compartment lid and replace if necessary. If hinges are OK, repair hinges with repair kit.
Procedure if AFGS was not activated: Engine compartment lid hinges. Check both hinges of the engine compartment lid and replace if necessary.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.