2024-2025 Audi On-Car Analysis: Check Engine Light & DTCs

Audi has released an On-car analysis list, dated March 25, 2025, providing guidance for technicians regarding various vehicle issues across several 2024-2025 models. This document, identified as NHTSA ID 11030978, outlines specific symptoms, diagnostic trouble codes (DTCs), and the required steps for technicians to take, primarily emphasizing contact with the Audi Helpline before attempting any repairs. Owners experiencing an Audi check engine light P219500 or other warnings should be aware of these manufacturer communications.

Important Warnings for Technicians and Owners

Audi explicitly states, "Please contact Audi Helpline before attempting repair" for any of the issues detailed in this analysis list. This instruction is crucial to ensure proper diagnosis and repair procedures are followed. Additionally, technicians are advised to refer to TSB 2066297, which covers the '00 VIN-4-PIN reporting program (V4P, vin4pin), for more information about the program before proceeding with any work.

Symptoms and Affected Models

This analysis list covers a range of symptoms affecting different Audi models and model years:

• Check engine light after charging: This symptom is noted for 2024-2025 Audi Q5 PHEV models.
• Check engine light: This general check engine light illumination affects 2025 Audi A3 vehicles.
• Vehicle sound Malfunction warning: Owners of 2022-2023 Audi Q4 models may experience a warning message related to the sound generator.
• Check engine lamp on - P219500: This specific check engine lamp illumination, often indicating an Audi check engine light P219500, is observed in 2025 Audi Q5 (GU) and A5 (FU) models.

Fault Codes (DTCs)

Several specific Diagnostic Trouble Codes (DTCs) are associated with these reported issues:

• POE5E00: For 2024-2025 Audi Q5 PHEV models experiencing a check engine light after charging, technicians should check for DTC POE5E00, which indicates a "BATTERY CHARGER CONTROL MODULE PROCESSOR PERFORMANCE" issue stored in the 008C control module.
• P05A300, P05A000, U058500: For 2025 Audi A3 models with a check engine light, these DTCs may be present.
• No DTC: The "Vehicle sound Malfunction warning" in 2022-2023 Audi Q4 models is noted to occur without a specific DTC.
• P219500: For 2025 Audi Q5 (GU) and A5 (FU) models showing a check engine lamp, the DTC P219500 is identified as "O2 Sensor Signal Biased/Stuck LeanBank 1 Sensor 1 No Sub Type Information." This specific Audi check engine light P219500 requires further investigation.

Next Steps for Technicians

For each reported issue, Audi provides specific instructions for technicians:

• Q5 PHEV (Check engine light after charging): Technicians must verify the customer's concern, check the DTC memory for POE5E00, and then "Contact TAC for further direction."
• A3 (Check engine light): After confirming the presence of DTCs P05A300, P05A000, and/or U058500, a "Possible on-site analysis" may be required, followed by contacting TAC.
• Q4 (Vehicle sound Malfunction warning): If the warning message relating to the sound generator can be duplicated and TSB PSS 2071352 applies, technicians should note that the "System otherwise works" and there is "No DTC." "Potential on-site needed" is indicated, and technicians must "Contact TAC for further steps."
• Q5 (GU), A5(FU) (check engine lamp on - P219500): For this specific Audi check engine light P219500, technicians are instructed to contact TAC for further instruction, as "Possible onsite" analysis may be necessary.

Owner Action

If you own a 2024-2025 Audi A3, Q5, or A5 and are experiencing a check engine light, a vehicle sound malfunction warning, or any of the DTCs mentioned, it is important to contact your authorized Audi dealership. Inform them about the symptoms you are observing and mention this Audi On-car analysis list from March 25, 2025, and the relevant TSBs (TSB 2066297 and TSB PSS 2071352) to ensure they follow the manufacturer's recommended diagnostic and repair procedures.

Source: NHTSA ID: 11030978