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Airbag Impact Sensors

Mod Details
PremiumNo Difficulty Mod ID1715 Creditevilution For450 Fortwo451 ED451 Fortwo452 Roadster453 EQ453 Fortwo/Forfour Linkhttps://www.evilution.co.uk/mod/airbag-impact-sensors.htm Copy to Clipboard

It’s quite rare for the airbag impact sensors to fail but it can occur. There are 3 possible types of impact sensor.

Front Impact Sensors
One on each side of the front crash bar. Only fitted on American 451 fortwos.

Side Impact Sensors
Fitted to each side of the car, just beside the seat base. Only fitted to cars with side curtain airbags and/or seat side airbags.

Airbag Controller Impact Sensor
Fitted to all non American cars. Instead of separate sensors, the crash sensor is built into the airbag control unit hidden up under the dashboard.

Side Impact Sensors

If you are getting any of these error codes, the side sensors could be faulty.

B0077 – Left Front/Driver Side Impact Sensor (SIS) Malfunction
B0109 – Side impact module-Left Rear deployment loop resistance is less than 1.3 ohms
B0110 – Side impact module-Left Rear high circuit is less than 2.4 volts
B0111 – Side impact module-Left Rear high and/or low circuits is short to ground or short to voltage
B0112 – Side impact module-Right Rear deployment loop resistance is less than 1.3 ohms
B0113 – Side impact module-Right Rear high circuit is less than 2.4 volts
B0114 – Side impact module-Right Rear high and/or low circuits is short to ground or short to voltage
B1889 – Passenger Airbag Disable Module Sensor Obstructed
B1165 – Signal from component A54 (right airbag sensor) is faulty (thanks John P)
B116* – Signal from component A53 (left airbag sensor) is faulty

450 Fortwo

Nothing yet. Send me your photos.

451 Fortwo

Nothing yet. Send me your photos.

452 Roadster

At the lower rear of the doors, hidden underneath the carpet on each side you’ll find the side impact sensor.

If they encounter a side impact, they’ll set the seat side airbag off on that side.

Disconnection is easy, just lift the black tab and pull the yellow connector out.

Remove the Torx25 screws at each end and remove it from the car.

Replacement side impact sensors from the same vehicle type can just be plugged in with no coding required.

453 Fortwo & Forfour

Nothing yet. Send me your photos.


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