Removing and installing side airbag crash sensor on driver side G179/G180 — VW

🧭 Before you start

Disconnect the battery earth cable with the ignition on, then remove the front door trim. Discharge yourself on the door striker plate, unplug connector (3) from the sensor, press the catch upwards with a screwdriver and remove the bracket with the sensor from the assembly carrier. Fit the new sensor, connect the plug until it engages audibly, press in the connector lock, and reconnect the battery earth cable with the ignition switched on. If the airbag warning lamp shows a fault, read, delete and re-read the event memory.

Fits: VW Jetta VI (16, 2010–2018)

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• Ignition on when the battery earth cable comes off and when it goes back on.
• Touch the door striker plate before handling the sensor connector.
• Connector pushed to the stop, audibly engaged, lock pressed in; no trapped wires.
• The door must seal effectively or the pressure sensor cannot work.
• Nobody in the car when the battery is reconnected; airbag lamp fault means read, delete, read again.

Written for this job from the workshop steps below · TorqFix editorial.

📋 Procedure

1. ⚠ Follow safety regulations for pyrotechnic components .Observe safety precautions for crash sensors (pressure sensors) for front side airbags . — Disconnect battery earth cable with ignition switched on Electrical system27Battery; Connecting and disconnecting battery.
2. Remove front door trim .
3. ⚠ Before handling pyrotechnic components (e.g. separating the electrical connector), the person handling them must ensure that he/she is "“electrically discharged”". To do this, briefly touch, for example, the door striker plate. — Disconnect connector (3) from side airbag crash sensor on driver side G179(2).
4. Press catch upwards (arrow) using a screwdriver.
5. Remove bracket (1) together with crash sensor (2) from assembly carrier.
6. ⚠ For the crash sensor (pressure sensor) to function properly, it is vital to ensure that the door forms an effective seal.Follow safety regulations for pyrotechnic components .Observe safety precautions for crash sensors (pressure sensors) for front side airbags .Before handling pyrotechnic components (e.g. connecting the electrical connector), the person handling them must ensure that he/she is "“electrically discharged”". To do this, briefly touch, for example, the door striker plate. — Connect connector (3) to crash sensor (1) until it engages audibly.
7. Press in connector lock to lock the connector. [Note: Ensure that the electrical connectors are pushed fully onto stop and engage audibly.Ensure that no wires are trapped.]
8. ⚠ Battery must be connected with ignition switched on. If pyrotechnic components (e.g. airbag, seat belt tensioners) are repaired incorrectly, undesired triggering may occur after the battery is connected. Ensure that nobody is in vehicle when connecting battery. — Connect battery earth cable with ignition switched on Electrical system27Battery; Connecting and disconnecting battery. [Note: If airbag warning lamp K75 indicates a fault following installation, event memory must be read, deleted and read again .]

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