2022 Audi e-tron GT HUD Fault B200043 Software Update

Symptoms

Owners of 2022 Audi e-tron GT and RS e-tron GT vehicles may experience their Head-up Display (HUD) not working, indicated by the verbatim message "The head-up display (HUD) is not working." This issue might also be identified during routine diagnostic work or pre-delivery inspection (PDI), even without a customer complaint. The primary indicator of this problem is the presence of Diagnostic Trouble Code (DTC) B200043 in the HUD control module.

Fault Codes / DTCs

The following Diagnostic Trouble Code (DTC) is associated with this issue:

Code	Description	Module	Address Word
B200043	Control Module Faulty	HUD (Head-up Display)	J898 (0082)

Technical Background

Audi has identified a software bug within the Head-up Display (HUD) system. This bug can lead to the HUD malfunctioning and storing the DTC B200043. A production solution, software version 0101, has been released to address this issue in current series production vehicles.

Repair Procedure Summary

To resolve the Audi e-tron GT HUD B200043 issue, a software update for the Head-up Display (HUD) control module (J898) is required. This procedure is detailed in Technical Service Bulletin (TSB) 90 21 23 2064963/1.

1. Initial Reset (if HUD is inoperable): If the Head-up Display is completely inoperable, technicians should first attempt a reset. This involves removing fuse S04 for approximately five minutes and then replacing it. This step may restore basic functionality before the software update.
2. SVM Operating Instructions: Technicians must follow all instructions outlined in TSB 2011732, titled "00 Software Version Management (SVM), operating instructions." This ensures the update process is performed correctly and safely.
3. Software Update: The HUD control module (J898, address word 0082) must be updated using the SVM action code 82A003. The update will change the software version from the old 0037 to the new 0101 (or higher). The affected software part numbers are 4J3919617 and 4J3919618.

This software update will correct the underlying bug causing the Audi e-tron GT HUD B200043 fault.

Warranty Information

This repair, outlined in TSB 90 21 23 2064963/1, is generally covered under Audi's warranty programs. The specific details are as follows:

• Claim Type:
  • Type 110: Applicable for vehicles up to 48 months or 50,000 miles.
  • Type G10: For Audi Certified Pre-Owned (CPO) vehicles. Owners should verify coverage.
• Service Number: 9091
• Damage Code: 0040
• Labor Operations:

Labor Operation	Code	Time Units (TU)
Software Update (includes checking for DTCs)	0151 0000	Time stated on the diagnostic protocol (Max 100 TU)
Repair control unit for head-up display	9091 4199	20 TU

• Diagnostic Time:

Diagnostic Operation	Code	Time Units (TU)
GFF	0150 0000	Time stated on the diagnostic protocol (Max 50 TU)

• Road Test: No allowance is provided for road tests both prior to and after the service procedure (0 TU).
• Claim Comment: Claims should include the comment "As per TSB #2064963/1".

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual and are subject to review or audit by Audi Warranty. If your vehicle is outside of any applicable warranty, this Technical Service Bulletin is provided for informational purposes only.

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Source: NHTSA ID 10206496