2022 Audi e-tron GT HUD DTC B200043 Software Update

Audi has issued Technical Service Bulletin (TSB) 2064963/2 to address a software-related concern affecting the head-up display (HUD) in certain 2022 Audi e-tron GT and RS e-tron GT vehicles. This TSB outlines a procedure to update the HUD software, which can resolve instances where the HUD is not working or is storing a specific diagnostic trouble code. This bulletin provides a solution for the 2022 Audi e-tron GT HUD DTC B200043.

This bulletin, identified as 90 21 24 2064963/2, was initially published on November 17, 2021, as Revision 1. It supersedes Technical Service Bulletin Group 90 number 21-23, also dated November 17, 2021, due to a revised service (Revision 2) which added a note to the procedure.

Important Warning for High-Voltage Vehicles

For vehicles equipped with high-voltage components, a critical safety step must be followed during the software update process. To prevent potential charging of the high-voltage battery during the software update, the high-voltage cable is to be removed BEFORE entry of the SVM code. Failure to do so could lead to damage to the high-voltage components.

Symptoms

Owners of affected 2022 Audi e-tron GT or RS e-tron GT vehicles may notice one of two primary conditions related to the head-up display:

• The head-up display (HUD) is not working.
• There are no customer concerns, but a fault is found during pre-delivery inspection (PDI) or other diagnostic work.

Fault Codes / DTCs

When diagnosing the issue, technicians may find the following diagnostic trouble code (DTC) stored in the head-up display (HUD) control unit, J898 (address word 0082):

Code	Description
B200043	Control Module Faulty

This DTC B200043 indicates an internal fault within the HUD control module, which is addressed by the software update.

Technical Background

The root cause of the inoperable HUD and the stored DTC B200043 is a software bug present in the head-up display control module. Audi has since released an updated software version (0101) to correct this issue in current series production.

Repair Procedure Summary

The repair involves updating the software for the head-up display control module (J898). Here's a summary of the steps a technician will follow to address the 2022 Audi e-tron GT HUD DTC B200043:

1. Initial Reset (if HUD is inoperable): If the HUD is completely inoperable, the technician will first attempt a reset by removing fuse SO4 for approximately five minutes and then replacing it.
2. SVM Operating Instructions: The technician must follow all instructions detailed in TSB 2011732, titled "00 Software Version Management (SVM), operating instructions." This prerequisite TSB provides essential guidance for performing software updates.
3. Software Update: The head-up display control module, J898 (address word 0082), will be updated using the SVM action code 82A003. The old software part numbers 4J3919617 and 4J3919618 (with old software version 0037) will be updated to new software part numbers 4J3919617 and 4J3919618 (with new software version 0101 or higher).

Warranty Information

This repair is generally covered under warranty for eligible vehicles. The claim types and associated details are as follows:

• Claim Type 110: Applicable for vehicles up to 48 months or 50,000 miles.
• Claim Type G10: For Certified Pre-Owned (CPO) vehicles, requiring owner verification.
• If the vehicle is outside any warranty, this Technical Service Bulletin is for informational purposes only.

Service Details:

• Service Number: 9091
• Damage Code: 0040
• Labor Operations:
  • Software Update (Includes checking for DTCs): 0151 0000 (Time stated on diagnostic protocol, Max 100 TU)
  • Repair control unit for head-up display: 9091 4199 (20 TU)
  • GFF (Guided Functions Fault Finding): 0150 0000 (Time stated on diagnostic protocol, Max 50 TU)
  • Road test prior to service procedure: No allowance (0 TU)
  • Road test after service procedure: No allowance (0 TU)
• Claim Comment: As per TSB #2064963/2.

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual.

Required Documents

To complete this procedure, technicians will need to consult the following Technical Service Bulletin:

• TSB 2011732, "00 Software Version Management (SVM), operating instructions."

All part and service references in this TSB (2064963) are subject to change, so technicians should always check with the Parts Department and/or ETKA for the latest information.

NHTSA ID: 10206496