93T7 – High Voltage Battery – 2023 Audi RS E-Tron GT & E-Tron GT

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September 1, 2023 NHTSA CAMPAIGN NUMBER: 23V613000

Insufficient Sealant on High-Voltage Battery

Liquid accumulation in the high voltage battery can cause electrical arcing, increasing the risk of a fire.

 

NHTSA Campaign Number: 23V613

Manufacturer Volkswagen Group of America, Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 1,899

 

Summary

Volkswagen Group of America, Inc. (Audi) is recalling certain 2023 Audi RS E-Tron GT and E-Tron GT vehicles. The high-voltage battery may have an insufficient amount of sealant, which can allow liquid to accumulate in the battery.

 

Remedy

Dealers will test the battery for leakage and replace the battery as necessary, free of charge. Owner notification letters are expected to be mailed October 31, 2023. Owners may contact Audi’s customer service at 1-800-253-2834. Volkswagen’s number for this recall is 93T7.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Audi has a Recall

 


Affected Vehicles

Country Beginning Model Year Ending Model Year Vehicle Vehicle Count
USA 2023 2023 E-TRON GT 1,438
USA 2023 2023 RS E-TRON GT 461
CAN 2023 2023 E-TRON GT 192
CAN 2023 2023 RS E-TRON GT 42

 

Issue:

Under certain circumstances, there is a possibility that over time liquid can intrude into the high voltage battery of certain vehicles. Over time, if a sufficient amount of conductive liquid accumulates in the battery, arcing can occur, which could increase the risk of a thermal event.

 

Precautions:

If liquid enters the battery, a drop in insulation resistance results. If the insulation resistance value drops below a defined threshold over time, a yellow warning message is displayed in the vehicle. If the insulation value continues to drop below a defined threshold over time, a red warning message is displayed in the vehicle.

Customers experiencing this situation are advised to contact their authorized Audi dealer without delay for an appointment to have the vehicle diagnosed. As a reminder, the vehicle owner’s manual contains important information regarding the vehicle’s warning lights and messages. We encourage anyone who drives the vehicle to review the owner’s manual to become familiar with the types of vehicle indicators, warnings and messaging they may see.

 

Repair:

  • REPAIR NOT YET AVAILABLE
  • Check daily campaign open inventory report or OMD for affected vehicles in inventory.
  • Audi is working to make a recall remedy available as soon as possible for the affected vehicles. Dealers and owners will be notified in writing once the recall remedy work can be performed.

 


Chronology :

July 2022: Audi became aware of a potential issue involving reduced insulation resistance values which may indicate liquid intrusion into the battery. A detailed engineering investigation into the influencing factors and root cause was started together with the supplier.

In September 2022, the HV battery supplier introduced a Teroson sealant into the battery production process in an effort to increase sealant robustness. Field monitoring continued.

March 2023 – August 2023: Additional evaluations and testing were initiated based on reports of reduced insulation resistance values in vehicles with the Teroson sealant from non-US markets.

Audi continued investigating the cause of the liquid intrusion and concluded that an improved and further enhanced Teroson sealant should be added to the HV battery. The enhanced Teroson sealant was implemented in May 2023 in the production process of the supplier.

August 25, 2023: The results of the ongoing analysis were presented to the Audi Product Safety Committee. It was determined that there have been no reports of potential liquid intrusion in vehicles with the enhanced Teroson sealant that was implemented in May 2023. However, for the population built with the original Teroson sealant introduced by the supplier in September 2022 it cannot be ruled out that further cases of reduced insulation resistance values may occur in the field. Out of an abundance of caution the Audi Product Safety Committee decided a worldwide recall, based on the evaluation that, over time, if a sufficient amount of conductive liquid accumulates in the battery, arcing can occur which could increase the risk of a thermal event.

Audi is not aware of any field reports in the US for HV batteries with the original Teroson sealant.

 


2 Affected Products

Vehicles

MAKE MODEL YEAR
AUDI E TRON GT 2023
AUDI RS E-TRON GT 2023

 


3 Associated Documents

Defect Notice 573 Report

RCLRPT-23V613-1429.PDF 216.993KB

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Volkswagen – 93T7 Audi Dealer Advance Notice – September 2023

RCMN-23V613-9277.pdf 241.064KB

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Recall Acknowledgement

RCAK-23V613-5353.pdf 645.898KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V613&docType=RCL

 


 

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Last update on 2024-04-24 / Affiliate links / Images from Amazon Product Advertising API

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