Air Bag Control Module: Service and Repair

2008 Volkswagen Jetta GLI (1K2) L4-2.0L Turbo (BPY)SECTION Service and Repair






Airbag Control Module


When working on the Airbag Control Module (J234) always not the safety guidelines when working on airbags, belt tensioners and battery cut-out units. Refer to => [ Airbag, Belt Tensioner and Battery Cut-Out Units General Safety Precautions ] Airbag, Belt Tensioner and Battery Cut-Out Units General Safety Precautions.

Removal

- Disconnect vehicle battery.

- Unclip cover - 1 - from trim using a small screwdriver.





- Remove bolt - 2 - (1.5 Nm).

- Remove the footwell trim panel - 3 -.

It is not necessary to remove the other parts of the center console.

- Remove the nuts - 1 - (2.5 Nm).





- Remove the bracket - 2 -.

Removal of right footwell trim is identical.

- Unlock the connector - 1 - in - direction of arrow - and remove the wiring harness form the control module - 2 -.





Center console is not depicted in the illustration.

- Remove three nuts - 3 - (9 Nm).

- Remove the control module from the vehicle.





Installation

- To install, perform the steps used for removal in reverse order.

- Switch on ignition.


Make sure that no persons are in the vehicle.

- Connect vehicle battery.

- If Airbag Control Module (J234) was replaced, it must be coded. Refer to => [ Adapting Components ] Adapting Components.
RENDER: 1.0x

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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.