2025 Audi A5 Adaptive Cruise Control Unavailable TSB
Audi has issued a Pending Service Solution (PSS) regarding the message "Adaptive cruise control/adaptive cruise assist: currently unavailable" appearing in the instrument cluster of 2025 Audi A5 and S5 models after a KD02 software update. Technicians are requested to record these instances.

Also applies to
- Audi S5
- 2025
Owners of certain 2025 Audi A5 and S5 models may encounter a specific warning message related to their adaptive cruise control system. Audi has released a Pending Service Solution (PSS) to address instances where the message "Adaptive cruise control/adaptive cruise assist: currently unavailable" is displayed in the instrument cluster. This communication, identified by NHTSA ID 11028430, is primarily a data collection request for technicians to track this issue.
Symptoms
The primary symptom owners will notice is the warning message "Adaptive cruise control/adaptive cruise assist: currently unavailable" appearing directly in the vehicle's instrument cluster. This indicates that the adaptive cruise control and adaptive cruise assist features are not operational.
Diagnosis / Trigger Conditions
This issue specifically arises after a KD02 software update has been performed on the vehicle. Technicians are instructed to create a record in the PSS database whenever a 2025 Audi A5 or S5 exhibits the "Adaptive cruise control/adaptive cruise assist: currently unavailable" message subsequent to this particular update. This suggests the KD02 update may be a trigger for the malfunction.
Repair Procedure Summary
Currently, the Audi PSS communication does not outline a specific repair procedure for this condition. Instead, it serves as a directive for Audi technicians to document the occurrence of the "Adaptive cruise control/adaptive cruise assist: currently unavailable" message. Technicians are required to create a record in the PSS database for each vehicle experiencing this symptom after the KD02 update. This data collection is crucial for Audi to understand the scope and nature of the problem, which will likely lead to a future technical solution.
Owner Action
If you own a 2025 Audi A5 or S5 and experience the message "Adaptive cruise control/adaptive cruise assist: currently unavailable" in your instrument cluster, especially after a recent KD02 software update, you should contact your authorized Audi dealership. Inform them about the issue and mention that you are aware of the Audi PSS communication regarding this specific symptom. Your dealer will be able to verify if your vehicle is affected and ensure that the necessary record is created in the PSS database, contributing to the resolution of this issue.
Source: NHTSA ID: 11028430
Frequently Asked Questions
- What does "Adaptive cruise control/adaptive cruise assist: currently unavailable" mean in my Audi?
- This message indicates that your vehicle's adaptive cruise control and adaptive cruise assist systems are not functioning. Audi has noted this specific message appearing in some 2025 A5 and S5 models after a KD02 software update.
- Is there a fix for the 2025 Audi A5 adaptive cruise control unavailable message?
- As of the current Audi PSS communication (NHTSA ID 11028430), there isn't a direct repair procedure provided. Instead, Audi is collecting data on this issue. Technicians are instructed to record instances of the "Adaptive cruise control/adaptive cruise assist: currently unavailable" message in the PSS database when it occurs after a KD02 update.
- What should I do if my 2025 Audi A5 shows the adaptive cruise control warning?
- If your 2025 Audi A5 or S5 displays the "Adaptive cruise control/adaptive cruise assist: currently unavailable" message, particularly after a KD02 software update, you should contact your Audi dealership. They will document the issue in Audi's PSS database, which helps the manufacturer develop a future solution.
- Does the KD02 update cause the 2025 Audi A5 adaptive cruise control unavailable issue?
- The Audi PSS communication indicates that the "Adaptive cruise control/adaptive cruise assist: currently unavailable" message is observed after the KD02 software update. This suggests a potential link between the update and the appearance of this warning.
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