Molly Ayala
The J519 module is an electronic control module in Audi vehicles that manages various electrical systems, including lighting and wipers. Its location can vary depending on the model and year of the Audi A3. For example, in some models, it is located under the dash to the left of the steering wheel, while in others, it may be found in the driver's footwell area or under the facia below the relay plate. When experiencing electrical issues, accessing and removing the J519 module may be necessary for repairs or replacements.
| Characteristics | Values |
|---|---|
| Location | Under the facia below the relay plate; mounted horizontally; under the dash to the left of the steering wheel; in the upper right corner |
| Issues | Front windscreen wipers stopped working; interior lights stopped working; flickering interior lights; sunroof does not open; gas door does not open; faulty immobilizer |
| Fixes | Remove the bottom dash panel; disconnect footwell light and OBDII port; remove torx screw holding tunnel vent; unclip right fuse carrier; remove the component protection on the new unit; relearn the car keys; run SVM to restore factory coding/adaptations |
| Part Numbers | 4E0907289; 4E0910289; 4e0910289 |
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What You'll Learn
- The J519 module is located under the dash to the left of the steering wheel
- It is the BCM module, sitting left of the fusebox inside the car
- The J519 module can be accessed by removing the bottom dash panel
- It is also known as the 'onboard supply control unit' and is mounted horizontally
- The J519 module is linked to the footwell light feed
The J519 module is located under the dash to the left of the steering wheel
To access the J519 module, you will need to remove the bottom dash panel. First, disconnect the footwell light and OBDII port by unclipping them. Then, remove the torx screw holding the tunnel vent and put it to one side. Next, unclip the right fuse carrier, which will swing down to the left. From there, you can unhook it from the top pivot and put it to one side.
With the right fuse carrier removed, you will be able to see the J519 module in the upper right corner. To remove the module, push in the tab at the front, and it will drop down. You will then see the white/grey connector block, which is where the footwell light feed and the earth point feed are located.
It is recommended that you take pictures during this process to help you remember how to reassemble the components.
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It is the BCM module, sitting left of the fusebox inside the car
The J519 electrical system control module is located on the underside of the dashboard, to the left of the steering wheel in an Audi A3. Specifically, it is the BCM module, which sits to the left of the fusebox inside the car. The BCM, or CECM (Central Electric Control Module), controls the outside lighting of the vehicle.
To access the BCM, you will need to remove the kick panel underneath the steering wheel. There are three 8mm hex head bolts holding it in place. One bolt is located underneath the fuse panel on the left side, so you will need to remove the fuse panel cover to see it. The other two bolts are found under the front edge of the kick panel. Once the bolts are removed, simply pull forward on the kick panel to disengage it.
If you need to completely remove the BCM from the vehicle, you will also need to take out the puddle light. With the kick panel removed, you will have free access to the BCM. There are two bolts holding the BCM in place. From the bottom of the BCM, you can unplug all connectors and remove the unit.
The J519 module is responsible for the front windscreen wipers, as well as interior lights, including the lights on the door handle, lights in the compartment under the radio, and the ambient light from the roof.
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The J519 module can be accessed by removing the bottom dash panel
The J519 module in an Audi A3 can be accessed by removing the bottom dash panel. This is a complex process that requires careful attention to detail. Firstly, remove the two bolts holding the panel under the dash, located in the driver's footwell for RHD vehicles. For LHD vehicles, the process may be similar, but the J519 module may be on the passenger side. Next, remove the end dash fuse cover plate on the driver's side and the third bolt. Disconnect the footwell light and OBDII port by unclipping them, and then remove the bottom dash panel.
Afterward, remove the torx screw that holds the tunnel vent in place and set it aside. The next step is to unclip the right fuse carrier, which will swing down to the left. You can then unhook it from the top pivot and set it aside. At this point, the J519 module will be visible in the upper right corner. To remove it, push the tab at the front of the module, and it will drop down.
The J519 module is responsible for various electrical functions in the Audi A3, and accessing it may be necessary for repairs or replacements. It is located beneath the dash to the left of the steering wheel, which makes for a challenging replacement process due to the limited space and the need to manoeuvre various harnesses.
When accessing the J519 module, it is important to take precautions to avoid damage to the electrical system or other components. It is recommended to have a basic understanding of automotive repair and electrical systems before attempting any work on the J519 module. Additionally, having a repair manual specific to the Audi A3 model can provide valuable guidance and ensure the correct procedures are followed.
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It is also known as the 'onboard supply control unit' and is mounted horizontally
The J519 electrics module, also known as the onboard supply control unit, is located under the facia below the relay plate in an Audi A4. It is mounted horizontally. To access it, you will need to remove the driver's side lower dash storage compartment.
In the Audi A5, the J519 module is located in the upper right corner, after removing the bottom dash panel, the torx screw holding the tunnel vent, and the right fuse carrier. The module can then be released by pushing a tab at its front, and it will drop down.
In the Audi A3, the J519 module is generally found on the underside of the dash to the left of the steering wheel. It is also known as the BCM module and sits to the left of the fusebox inside the car.
The J519 module is responsible for various electrical functions in the car, such as interior lights, windscreen wipers, and front window functions. It is also referred to as the comfort/BCM module, with most 30/battery power wires coloured red with a white tracer.
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The J519 module is linked to the footwell light feed
The J519 module is an electrical system control module in Audi vehicles. It is located on the underside of the dash to the left of the steering wheel, generally near the fusebox. The J519 module is linked to the footwell light feed, as well as other interior lights such as the lights on the door handle, lights in the compartment under the radio, and the ambient light shining down from the roof.
To access the J519 module in an Audi A5 or S5, the following steps are recommended:
- Remove the two bolts holding the panel under the dash in the driver's footwell (for RHD vehicles).
- Remove the end dash fuse cover plate on the driver's side and remove the third bolt.
- Remove the bottom dash panel after disconnecting the footwell light and OBDII port.
- Remove the torx screw holding the tunnel vent and set it aside.
- Unclip the right fuse carrier, swing it down to the left, unhook it from the top pivot, and set it aside.
- The J519 module will now be visible in the upper right corner. Push the tab at the front of the module to remove it.
Once the J519 module is accessed, the footwell light feed can be located. In the case of retrofitting footwell lighting, the LED lights can be connected to the J519 module by attaching the pin to the positive cable and connecting it to terminal 17 of the 32-pin grey connector.
It is important to note that some malfunctions with the passenger airbag may occur after installing footwell lighting. However, these issues can usually be resolved by switching the airbag off and on a few times and reconnecting cables. Overall, the J519 module plays a crucial role in the electrical system of Audi vehicles, including the footwell light feed and other interior lighting functions.
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Frequently asked questions
The J519 electric module is located on the underside of the dash to the left of the steering wheel.
To access the module, you will need to remove the bottom dash panel and disconnect the footwell light and OBDII port.
The J519 is the BCM module, which controls the electrical system.
A faulty J519 module can cause various issues, such as problems with the front windscreen wipers, interior lights, and the sunroof.
Fixing a faulty J519 module may require replacement with a new or later model. Ensure that the part number matches your current module, and consider seeking professional assistance if you are uncomfortable with the process.
