2023-2024 Audi A3, A4, A5, Q3, Q5 Common Issues

Audi has released an internal communication, the "Audi On-car analysis list from September, 10 2024", outlining several Audi common issues identified in various 2023-2024 models. This document serves as a guide for technicians, detailing specific symptoms, associated diagnostic trouble codes (DTCs), and initial steps for addressing these concerns. It covers issues ranging from minor component malfunctions to infotainment system glitches.

This analysis list is crucial for understanding potential problems that owners of 2023-2024 Audi A3, A4, A5, Q3, and Q5 vehicles might encounter. It provides insights into the diagnostic process and the recommended course of action for each identified problem.

Symptoms and Fault Codes

The "Audi On-car analysis list from September, 10 2024" details several distinct issues. Each problem is described with its symptoms and, where applicable, the specific diagnostic trouble code (DTC) that may be present.

Gas Cap Seal Deformed (DTC P045600)

Owners of 2023-2024 Audi A4, A5, and Q5 models may experience a check engine light related to a Gas cap seal deformed condition. The associated fault code is DTC P045600 (very small Leak) Leak Detected). If this code is present, technicians are advised to visually inspect the gas cap seal for any signs of deformation. For further guidance, a Technical Assistance Center (TAC) case should be opened with the requested information provided.

O2 Sensor Malfunction (DTC P013B00)

For 2023-2024 Audi A5 and Q5 vehicles equipped with DPAA or DPVA engines, an issue with the O2 sensor may arise, indicated by DTC P013B00 (Sensor Bank1-Sensor2 Slow Response - Lean to Rich). Before any work is performed on the vehicle, technicians must verify the presence of this specific DTC. Following verification, contact with the TAC is required for further instructions, with a potential for onsite assistance.

MIB3 Stuck on Loading User Information

Some 2024 Audi A3 and Q3 models may experience their MIB3 infotainment system getting Stuck on loading user information when booting up. The primary symptom is the screen being stuck at the `