2023-2024 Audi Gateway Control Module Service Action 90X4

Audi has issued Service Action 90X4, a proactive measure to replace the gateway control module in a range of 2023-2024 vehicles. This action ensures the continued optimal performance and communication within the vehicle's complex electronic systems. Owners of affected vehicles will have this repair performed free of charge by authorized Audi dealers.

The gateway control module, often referred to as the INTERFACE (Gateway control module) or J533, is a central component in modern Audi vehicles. It acts as a communication hub, allowing different control units and systems to exchange data. A properly functioning gateway module is critical for the seamless operation of various vehicle features, from infotainment to driver assistance systems.

What's Being Addressed

Service Action 90X4 specifically targets the replacement of the gateway control module. While the document does not specify a particular fault or symptom, this is a proactive service action by Audi to prevent potential future issues. The replacement ensures that the vehicle's data bus system operates correctly and reliably.

Important Warnings for Owners and Dealers

Audi has provided several critical warnings regarding Service Action 90X4:

• Expiration Date: This service action is available free of charge only until May 21, 2029. Any work performed after this date will incur normal costs.
• Inventory Vehicles: Dealers must ensure that every affected inventory vehicle has this campaign completed before delivery to consumers.
• Pre-existing Conditions: Diagnosis and repair of any pre-existing conditions in the vehicle are not covered under this campaign.
• Other Open Actions: If your vehicle has other open service actions or recalls, your dealer should inform you so that all necessary work can be completed during the same workshop visit.
• Safety Recalls: All Safety Recalls must be completed prior to completing this campaign.
• Protective Cover: Vehicles equipped with a protective cover over the gateway MUST have a new cover installed during replacement. Failure to do so can result in future damage to the gateway.
• Incorrect Installation: Improper installation of the protective cover can lead to future damage.
• Wash/Loaner: Dealers should