9302 – Unreliable HV Battery Connection May Cause Stall – 2021 Volkswagen ID.4 – VolksWagen & Audi

“This site contains affiliate links for which OEMDTC may be compensated”

March 16, 2022 NHTSA CAMPAIGN NUMBER: 22V162000

Unreliable HV Battery Connection May Cause Stall

An unreliable battery connection may cause a stall, increasing the risk of a crash.

NHTSA Campaign Number: 22V162

Manufacturer Volkswagen Group of America, Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 351

Summary

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 ID4 vehicles. Incorrect soldering of the flexible printed circuit assembled (FPCA), inside the high voltage (HV) battery, may cause an unreliable connection.

Remedy

Dealers will replace the battery cell modules, free of charge. Owner notification letters were mailed December 6, 2022. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen’s number for this recall is 9302.

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 Volkswagen has a Recall

Affected Vehicles

Country	Beginning Model Year	Ending Model Year	Vehicle	Vehicle Count
USA	2021	2021	ID4	356
CAN	2021	2021	ID4	6

Problem Description

Specific soldering points on the flexible printed circuit assembled (FPCA) inside the HV battery may not establish a reliable connection due to manufacturing issues. Unreliable connections inside the HV battery may lead to breakdowns or stalling while driving in the field. This can lead to a crash without warning.

Corrective Action

Replace the affected battery cell modules.

Precautions

If the recall issue is present in the vehicle, the driver would be alerted by a message appearing in the instrument panel warning about an issue in the high voltage system. Should this occur, customers are advised to contact an authorized Volkswagen dealer without delay to make arrangements to have the vehicle diagnosed/repaired.

Code Visibility

On April 08, 2022, the campaign code was applied to affected vehicles.

Owner Notification

Owner notification will take place in December 2022. Owner letter examples are included in this bulletin for your reference.

Repair Overview

All vehicles – perform a test plan to check for cell modules with an increased self-discharge. If a module is identified by the test plan as needing replacement, it will be replaced while the HV battery is open.

Criteria 04 vehicles – replace one, preidentified, cell module inside the high voltage battery.

Criteria 05 vehicles – replace two, preidentified, cell modules inside the high voltage battery.

NOTE

There are three Criteria 04 VINs that have additional pre-identified cell modules. These VINs are included in a future campaign. All of the preidentified cell modules should be replaced under this action.

Chronology of Defect

January 16, 2021: The first known field case occurred outside of the U.S. The claim was related to the vehicle not starting at the beginning of a trip. Analysis into the non-starting condition began.

May 12, 2021: Supplier identified the root cause of the non-starting condition. Given that the claims did not relate to vehicles while driving, the topic was addressed as a quality topic.

May 2021 – December 2021: Quality and safety departments monitored the field and continued analyzing the nature and frequency of the non-starting condition.

December 16, 2021: The topic was presented to the Volkswagen pre-Product Safety Committee panel, which requested additional details on affected population.

January 13, 2022: A field claim alleging a stall while driving condition was reported in a non-Volkswagen vehicle outside of the U.S. Analysis into the stall while driving condition began.

January 14, 2022: The Volkswagen Product Safety Committee recommended continued field monitoring and requested a follow-up presentation. At this time, the analysis had just begun following the first stall while driving field complaint.

January 14, 2022 – March 1, 2022: Further analysis of field claims and related diagnosis protocols to identify whether stall while driving issue might also affect Volkswagen vehicles.

March 02, 2022: During a Multi-Brand Clearing committee meeting, impacted brands shared information on analysis of the potential stall while driving cases. Further update to differentiate between vehicles affected by the non-starting condition vs. the stall while driving condition was requested.

March 09, 2022: The Multi-Brand Clearing committee decided to conduct a recall of Volkswagen vehicles in the U.S. that contain the affected parts.

May – August 2022: The battery supplier’s sub-supplier conducted further analysis, and informed Volkswagen about additional potentially affected vehicles. The sub-supplier who had analyzed the solder joints further optimized their detection algorithm and applied this again to all previously taken pictures. During this second review, additional potentially affected parts were finally identified. This included five (5) additional vehicles identified in the U.S. market. Neither Volkswagen nor the battery supplier were aware of this second review until it had been completed.

September 07, 2022: The information was presented to the Volkswagen Product Safety Committee, who then made the decision to recall the additional five (5) vehicles in the U.S. market.

1 Affected Product

Vehicle

MAKE	MODEL	YEAR

VOLKSWAGEN	ID.4	2021

18 Associated Documents

Defect Notice 573 Report

RCLRPT-22V162-1029.PDF 215.969KB

Taking too long?

Reload document

Summary

Remedy

Notes

Latest Recalls Documents

Leave a Comment Cancel reply