2022-2023 Audi e-tron GT Lane Departure Warning Fault TSB

Owners of 2022-2023 Audi e-tron GT and RS e-tron GT vehicles may encounter an instrument cluster message stating "Lane departure warning fault" when starting their vehicle. This message is often accompanied by specific diagnostic trouble codes (DTCs) stored in the steering control unit, J500.

This Technical Service Bulletin (TSB) 2069614/1 from Audi provides important guidance for technicians and owners regarding this specific condition, emphasizing that part replacement is generally not the correct solution for the Audi e-tron GT lane departure warning fault.

Symptoms

The primary symptom owners will notice is the instrument cluster displaying the message: "Lane departure warning fault". This warning appears specifically when the vehicle is started, indicating a potential issue with the vehicle's lane keeping assistance system.

Fault Codes / DTCs

When the "Lane departure warning fault" message appears, technicians performing diagnostics may find specific Diagnostic Trouble Codes (DTCs) stored in the J500 steering control unit, which is identified as address 0044. The codes associated with this condition are:

Code	Description	Symptom Code
U13D500	Function restriction, directional stabilization assistance	15872
C135DF1	Power steering control module does not implement request	17920

Specifically, DTC U13D500 indicates a 'Function restriction, directional stabilization assistance' with symptom code 15872, while DTC C135DF1 signifies that the 'Power steering control module does not implement request' with symptom code 17920. These codes are crucial for identifying the Audi e-tron GT lane departure warning fault.

Important Warnings for Owners

Audi has issued critical instructions within Technical Service Bulletin 2069614/1 to prevent unnecessary repairs and costs. Owners and technicians should be aware of the following:

• "If only the DTCs described above are stored in address 0044, do not perform any repair work." Instead, technicians are instructed to "Clear DTCs and release the vehicle, the DTC is unlikely to occur again."
• "The replacement of parts does not solve this issue." This means that attempting to replace components will not resolve the problem.
• "Claims for replaced parts will be subject to review." This emphasizes that any warranty claims submitted for parts replaced in an attempt to fix this specific Audi e-tron GT lane departure warning fault may be rejected.

Technical Background

The Technical Service Bulletin states that there is 'Not Applicable' technical background information provided for this specific issue, indicating that the problem is not attributed to a known design flaw or complex underlying cause requiring detailed explanation.

Production Solution

Similarly, the TSB indicates 'Not Applicable' for a production solution, meaning there are no specific manufacturing changes or updates implemented to prevent this condition from occurring in new vehicles.

Repair Procedure Summary

For 2022-2023 Audi e-tron GT and RS e-tron GT models experiencing the 'Lane departure warning fault' accompanied by DTCs U13D500 and C135DF1, the repair procedure is straightforward. Technicians are instructed to access the J500 steering control unit (address 0044) and clear the stored diagnostic trouble codes. No further repair work or part replacement is required. After clearing the codes, the vehicle should be released, as the TSB notes that the DTCs are unlikely to reoccur.

Warranty Information

This service is covered under Audi's warranty program. Claims can be submitted under Claim Type 110 for vehicles up to 48 months or 50,000 miles, whichever comes first. The Service Number for this bulletin is 4835, and the Damage Code is 0040. For diagnostic time, technicians should use 'GFF 0150 0000', which accounts for a maximum of 40 Time Units (TU) as stated on the diagnostic protocol. No allowance (0 TU) is provided for road tests prior to or after the service procedure. The Claim Comment should reference 'As per TSB 2069614/1'. It is important to note that for Certified Pre-Owned (CPO) vehicles, the claim type is G10, and owner verification is required. If the vehicle is outside of any warranty, this Technical Service Bulletin is for informational purposes only. All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual, and claims are subject to review or audit by Audi Warranty.

Additional Information

Audi advises that all part and service references provided in this TSB (2069614) are subject to change and/or removal. Technicians should always check with their Parts Department and/or ETKA for the latest information and parts bulletins. Additionally, the Repair Manual should be consulted for details regarding fasteners, bolts, nuts, and screws that may require replacement during any repair.

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Source: NHTSA ID: 10232754