2021-2025 Audi On-Car Analysis List: Oil Leaks, Airbag, Steering

Understanding the Audi On-Car Analysis List

Audi has released an "On-car analysis list" dated April 3, 2025, identified by NHTSA ID 11017598. This document serves as an internal communication to dealerships, outlining various issues observed in the field that require specific diagnostic and reporting procedures before any repair attempts are made. It covers a range of concerns affecting 2021-2025 Audi A3, A4, A5, Q5, Q7, Q8, S3, and RS3 vehicles.

Important Warning for Owners and Technicians

A critical instruction from Audi states: "Please contact Audi Helpline before attempting repair." This means that for any of the issues detailed in this list, technicians are required to contact Audi's Technical Assistance Center (TAC) for further guidance. Owners should be aware that their dealership will need to follow this protocol, which may involve providing photos or specific diagnostic information to Audi before proceeding with a fix.

Overview of Identified Issues

The analysis list highlights several distinct problems across various Audi models and model years. These issues range from common fluid leaks to specific electrical and mechanical malfunctions, often requiring detailed documentation and manufacturer consultation.

Detailed Look at Specific Faults

Engine Oil Pressure Switch Issues (DTC P055F00, P055C00)

For 2022-2025 Audi A4, A5, Q5, and Q7 models equipped with 2.0L engines, owners may experience a Malfunction Indicator Lamp (MIL) illumination related to the engine oil pressure switch. This can be accompanied by diagnostic trouble codes (DTCs) P055F00, indicating "Engine Oil Pressure Out of Range," or P055C00, indicating "Engine Oil Pressure Sensor/Switch 'B' Low." If these DTCs are present, technicians are instructed to contact the Technical Assistance Center (TAC) for direction before proceeding with any repairs.

Airbag Light On with DTC B12251B

Owners of 2022-2025 Audi Q7 vehicles might observe their airbag warning light illuminating, potentially accompanied by diagnostic trouble code B12251B. This specific issue requires immediate attention. Before any diagnostic or repair work is performed on a vehicle exhibiting an "Audi Q8 airbag light B12251B" or similar for the Q7, the dealership must contact Audi's TAC for further instructions. This ensures that the proper diagnostic steps are followed and that any potential safety concerns are addressed according to manufacturer guidelines.

Steering Column Switch Dislocation

For 2024-2025 Audi Q7 and Q8 models, some customers have reported that the steering column switch is dislocated from the column. If this occurs, technicians are required to attach photos of the issue and contact the TAC for further direction. This suggests that the problem may require a specific assessment or repair method determined by Audi.

What Owners Should Do

If you own a 2021-2025 Audi A3, A4, A5, Q5, Q7, Q8, S3, or RS3 and experience any of the symptoms described in this analysis list—such as oil leaks, an illuminated Malfunction Indicator Lamp (MIL) with DTC P055F00 or P055C00, an airbag light on with DTC B12251B, a dislocated steering column switch, or a binding sunroof shade—it is crucial to contact your authorized Audi dealership. Inform them about the specific issue and mention that you are aware of Audi's On-Car Analysis List (NHTSA ID 11017598). Your dealership will then follow Audi's protocol to consult with the Technical Assistance Center (TAC) to ensure the correct diagnostic and repair procedures are applied.

Source: NHTSA ID 11017598