2022 Volkswagen Taos 24HH Engine Control Unit Software May Cause Stall

August 6, 2021 NHTSA CAMPAIGN NUMBER: 21V615000

Engine Control Unit Software May Cause Stall

An engine stall increases the risk of a crash.

 

NHTSA Campaign Number: 21V615

Manufacturer VolkswageneBay logo Group of America, Inc.

Components ENGINE AND ENGINE COOLING

Potential Number of Units Affected 5,087

 

Summary

VolkswageneBay logo Group of America, Inc. (VolkswageneBay logo) is recalling certain 2022 TAOS vehicles equipped with all-wheel drive. The engine control unit (ECU) software may cause a stall when coming to a stop.

 

Remedy

Dealers will update the ECU software, free of charge. Owner notification letters were mailed October 5, 2021. Owners may contact VolkswageneBay logo customer service at 1-800-893-5298. VolkswageneBay logo’s number for this recall is 24HH.

 

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:

Effective immediately, a MANDATORY STOP-SALE is in effect for:

ALL 2022 MY VolkswageneBay logo Taos vehicles equipped with 4Motion® all-wheel drive

Note: Front-wheel drive Taos vehicles are not impacted by this issue.

 

Issue:

Customers of certain 2022 MY VolkswageneBay logo Taos 4MOTION vehicles have alleged that their engine has shut off unexpectedly when coming to a stop.

VolkswageneBay logo is working on a repair to address this issue; at this time a repair is not available. Further information will be provided in the coming days.

 

Required Dealer Action:

  • DO NOT sell or offer for sale or lease any 2022 MY VolkswageneBay logo Taos 4MOTION
  • In the interest of customer safety and satisfaction, place all 2022 MY VolkswageneBay logo Taos 4MOTION vehicles at your dealership in a secure area where they cannot be made available for sale, lease, trade or demonstrator use until a repair to address this issue is made available and has been performed.

 

IMPORTANT REMINDER: VEHICLES AFFECTED BY SAFETY & COMPLIANCE RECALLS

New Vehicles in Dealer Inventory: It is a violation of federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied. By law, dealers must correct, prior to delivery for sale or lease, any vehicle that fails to comply with an applicable Federal Motor Vehicle Safety Standard or that contains a defect relating to motor vehicle safety.

Pre-Owned Vehicles in Dealer Inventory: Dealers should not deliver any pre-owned vehicles in their inventory which are involved in a safety or compliance recall until the defect has been remedied.

 

Affected Vehicles

Country Beginning Model Year Ending Model Year Vehicle Vehicle Count
USA20222022TAOS5,092
CAN20222022TAOS915

 

Problem Description

Vehicles included in this recall are equipped with an all-wheel drive powertrain and have a specific software version installed in the engine control unit that, under specific conditions (high ambient temperatures, high engine load, A/C on), may lead to a stalling condition when coming to a stop. The engine can be immediately restarted manually. An engine that stalls while coming to a stop (20 MPH) may increase the risk of a crash.

 

Corrective Action

Perform an ECU software update.

 

Owner Notification

Owner notification took place in October 2021. Owner letter examples are included in this bulletin for your reference.

 


What is the safety concern for Safety Recall 24HH?

Vehicles included in this recall are equipped with an all-wheel drive powertrain and have a specific software version installed in the engine control unit that, under specific conditions (high ambient temperatures, high engine load, A/C on), may lead to a stalling condition when coming to a stop. The engine can be immediately restarted manually. An engine that stalls while coming to a stop (20 MPH) may increase the risk of a crash.

 

What is the repair for Safety Recall 24HH?

To correct this defect, your authorized VolkswageneBay logo dealer will update the engine control unit (ECU) software.  This work will take about an hour to complete and will be performed for you free of charge. Please keep in mind that your dealer may need additional time for the preparation of the repair, as well as to accommodate their daily workshop schedule.

 

When will the repair for Safety Recall 24HH be available?

Repairs for this recall have begun.  Please contact your authorized VolkswageneBay logo dealer without delay to schedule this recall repair. To set up an appointment online, please visit www.vw.com/find-a-dealer.

 



1 Affected Product

Vehicle

MAKEMODELYEAR
VOLKSWAGENTAOS2022

 


13 Associated Documents

Manufacturer Notices(to Dealers,etc) – Date: October 04, 2021 Repair Available Safety Recall 24HH / Engine Control Unit (ECU) Software

RCMN-21V615-8381.pdf 691.963KB

 


Recall Acknowledgement

RCAK-21V615-6883.pdf 689.571KB

 


Manufacturer Notices(to Dealers,etc) – VOLKSWAGEN Date: August 03, 2021 UPDATED – URGENT! MANDATORY STOP-SALE NOTICE SAGA Code 24HH is now visible in ELSA for all vehicles included in this stop-sale.

RCMN-21V615-9775.pdf 154.241KB

 


Defect Notice 573 Report

RCLRPT-21V615-3539.PDF 215.364KB

 


Remedy Instructions and TSB

RCRIT-21V615-6508.pdf 1099.636KB

 


24HH Recall FAQ_12012021

RMISC-21V615-9618.pdf 386.751KB

 


Manufacturer Notices(to Dealers,etc) – Date: October 21, 2021 REVISION Safety Recall 24HH / Engine Control Unit (ECU) Software

RCMN-21V615-4648.pdf 367.882KB

 


Recall 573 Report-Amendment 2

RCLRPT-21V615-9349.PDF 215.44KB

 


Owner Notification Letter(Part 577)

RCONL-21V615-7104.pdf 538.739KB

 


Owner Notification Letter(Part 577)

RCONL-21V615-6197.pdf 270.832KB

 


Remedy Instructions and TSB

RCRIT-21V615-3244.pdf 1079.346KB

 


Recall 573 Report-Amendment 1

RCLRPT-21V615-8180.PDF 215.441KB

 


Recall Quarterly Report #1, 2021-4

RCLQRT-21V615-1350.PDF 211.15KB

Reprogramming

Overview – Introduction

The Immobilizer is a theft-deterrent device that adds a layer of security to VWGoA vehicles that include the following brands: AudieBay logo, Bentley, Lamborghini, and VWeBay logo. Certain repairs such as replacing emission parts cannot be performed without resetting the immobilizer code for the vehicle. This is done by a technician using the VAS for PC software to synchronize the immobilizer code embedded in the ignition key with other codes resident on parts such as the Transmission Control Module, Engine Control Module, and Instrument Cluster.

 

Before you can replace an emission part

Whenever you replace an emission-related control module, the immobilizer must be reset using the VAS for PC software. This can only be done if you meet the following requirements:

  • You have enrolled into the program (see step 1 - Complete Pass Thru Enrollment Forms)
  • You have received an email from VWGoA that contains a Security ID and Password to access the immobilizer application hosted in Germany
  • You have received an email from VWGoA that contains a certificate file (e.g. IndepeDeale.30001.300999.pfx)
  • You have installed the certificate onto your PC
  • You have obtained a J 2534-1 Pass Thru device (see recommended J 2534-1 Pass Thru devices)
  • You have performed the steps outlined in VAS for PC Setup

 

Recommended J 2534-1 Pass Thru devices

Pass thru devices are available for purchase from a recommended Manufacturer for registered workshops to perform Immobilizer functions. The Pass Thru devices that have been tested to work with VAS for PC follow:

  • I+ME Pass-Thru+XS

Available from ACTIA Corp.

https://www.actiaus.com, https://www.passthruxs.com or (734) 266-2083

Available from Drew Technologies, Inc. https://www.drewtech.com or (734) 222-5228

  • Blue Streak iflash Global Programmer

Available from Blue Streak Electronics https://www.bsecorp.com or (905) 669-4812 Email at [email protected]

Available from Dearborn Group Technology https://www.dgtech.com or (248) 488-2080

Email at [email protected]

Note: Currently, Pass Thru re-programming supports SAE J2534-1 version 4.04 only. Please ensure that you have installed the appropriate driver for your Pass Thru device. For details read the documentation shipped with your device or contact the manufacturer.

Immobilizer-Reprogramming-Instructions

https://erwin.vw.com

https://erwin.audiusa.com

 


 

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