Seat Position Sensor, Removing And Installing

WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

The seat position sensor is available as a replacement part with the wiring harness and connector. The following wires with connectors are incorporated in the wiring harness:

Driver Seat Position Sensor -G553- : wire with connector for seat belt latch coupling.
Front Passenger Seat Position Sensor -G554- : wire with connector for seat belt latch coupling, seat occupant detection sensor and seat occupant detection system control module (market-specific version).

Special tools and workshop equipment required

Gauge - Gap Adjustment :3371 or

Fig 1: Gap Adjustment Gauge (3371)
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Gauge - Eos Roof :VAS 6448

Fig 2: Gauge - Eos Roof
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Removing

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-- Disconnect the modular wiring routing. Refer to MODULAR WIRING ROUTING, DISCONNECTING AND CONNECTING .

-- Open the corrugated tube, remove the wire for the Driver Seat Position Sensor Driver Seat Position Sensor -G553- / Front Passenger Seat Position Sensor Front Passenger Seat Position Sensor -G554- with the connector and free up.

-- Remove the cable ties or cable clips for the wire on the seat pan lower frame.

-- Remove the bolt -2-, unclip the seat position sensor -1- from the seat pan lower frame -3- and disengage it -arrow-.

Driver Seat:

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-- Free up the connector -3- for the seat belt latch and disconnect.

-- Remove the seat position sensor -1- with the wires -2-.

Front Passenger Seat:

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-- Free up the connector -1- for the seat belt latch and disconnect.

-- Disconnect the connector -3- on the Front Passenger Occupant Detection Sensor -G128-.

-- Remove the seat position sensor -4- with the wires -2-.

Installing and Adjusting

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Standard/Sport seat/Super Sport Seat:

-- Hook the bracket -2- into the upper seat rail and clip it in.

-- Slide the seat position sensor -4- on the bracket and position at a distance -a- = 4.0 mm to the lower seat rail -1-.

-- To do this, position the Gauge - Gap Adjustment :3371 / 4 mm or Gauge - Eos Roof Gauge - Eos Roof :VAS 6448 / 4 mm between the seat position sensor and the lower seat rail and tighten the screw -3-.

NOTE:

Check the seat position sensor with the Vehicle Diagnostic Tester.

Further installation is performed in reverse order of the removal.