Recall 251 – ABS Unit May Cause Engine Compartment Fire – 2010-2015 Hyundai

eptember 22, 2023 NHTSA CAMPAIGN NUMBER: 23V651000

ABS Unit May Cause Engine Compartment Fire

An engine compartment fire while parked or driving can increase the risk of injury.

 

NHTSA Campaign Number: 23V651

Manufacturer Hyundai Motor America

Components SERVICE BRAKES, HYDRAULIC

Potential Number of Units Affected 1,642,551

 

Summary

Hyundai Motor America (Hyundai) is recalling certain 2011-2015 Elantra, Genesis Coupe, Sonata Hybrid, 2012-2015 Accent, Azera, Veloster, 2013-2015 Elantra Coupe, Santa Fe, 2014-2015 Equus, 2010-2012 Veracruz, 2010-2013 Tucson, 2015 Tucson Fuel Cell, and 2013 Santa Fe Sport vehicles. The Anti-Lock Brake System (ABS) module may leak brake fluid internally and cause an electrical short, which can result in an engine compartment fire while parked or driving.

 

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the ABS fuse, free of charge. Owner notification letters are expected to be mailed November 21, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai’s number for this recall is 251.

 

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 Hyundai has a Recall

 


Recall Description

The subject vehicles are equipped with Anti-Lock Brake System (“ABS”) modules that could leak brake fluid internally and cause an electrical short over time. An electrical short could result in significant overcurrent in the ABS module increasing the risk of an engine compartment fire while parked or driving. An electrical short could result in significant overcurrent in the ABS module increasing the risk of an engine compartment fire while parked or driving.

 

Applicable Vehicles (Certain)

  • 2012-15MY Accent (RB) produced from 03/05/2011 – 10/31/2014
  • 2012-15MY Azera (HG) produced from 11/29/2011 – 10/31/2014
  • 2011-15MY Elantra (MD/UD) produced from 10/29/2010 – 11/13/2014
  • 2013-15MY Elantra Coupe (JK) produced from 03/16/2012 – 10/30/2014
  • 2014-15MY Equus (VI) produced from 04/12/2013 – 10/29/2014
  • 2011-15MY Genesis Coupe (BK) produced from 09/01/2010 – 10/31/2014
  • 2013-15MY Santa Fe (NC) produced from 10/17/2012 – 10/31/2014
  • 2013MY Santa Fe Sport (AN) produced from 07/12/2012 – 06/15/2013
  • 2011-15MY Sonata Hybrid (YF HEV) produced from 12/02/2010 – 10/31/2014
  • 2010-13MY Tucson (LM) produced from 12/08/2009 – 08/19/2013
  • 2015MY Tucson Fuel Cell (LMFC) produced from 04/28/2014 – 10/23/2014
  • 2012-15MY Veloster (FS) produced from 07/02/2011 – 10/31/2014
  • 2010-12MY Veracruz (EN) produced from 12/24/2009 – 08/09/2012

IMPORTANT NOTICE: Owners can continue driving these vehicles, however, Hyundai recommends owners to park their vehicles outside and away from structures until the recall remedy is completed.

 

Remedy Information

This remedy is currently under development and additional information will be provided once it has been developed for release by HMA.

 

Recommended Alternative Transportation

A Service Rental Vehicle (SRC) should be provided to customers who do not feel safe operating their vehicle until a remedy is available. In addition, a SRC may be required based on any other additional work on the vehicle that may need to be addressed during customer’s visit. If a SRC is not available, other options such as a 3rd Party Rental or Rideshare may be provided.

 

Customer FAQ

Q1: What is the issue?

A1: The subject vehicles are equipped with Anti-Lock Brake System (“ABS”) modules that could leak brake fluid internally and cause an electrical short over time. An electrical short could result in significant overcurrent in the ABS module increasing the risk of an engine compartment fire while parked or driving.

 

Q2: What are the affected vehicles?

A2: Affected vehicles include the following models/model years:

  • Certain 2012-15MY Accent (RB) produced from 03/05/2011 – 10/31/2014
  • 2012-15MY Azera (HG) produced from 11/29/2011 – 10/31/2014
  • 2011-15MY Elantra (MD/UD) produced from 10/29/2010 – 11/13/2014
  • 2013-15MY Elantra Coupe (JK) produced from 03/16/2012 – 10/30/2014
  • 2014-15MY Equus (VI) produced from 04/12/2013 – 10/29/2014
  • 2011-15MY Genesis Coupe (BK) produced from 09/01/2010 – 10/31/2014
  • 2013-15MY Santa Fe (NC) produced from 10/17/2012 – 10/31/2014
  • 2013MY Santa Fe Sport (AN) produced from 07/12/2012 – 06/15/2013
  • 2011-15MY Sonata Hybrid (YF HEV) produced from 12/02/2010 – 10/31/2014
  • 2010-13MY Tucson (LM) produced from 12/08/2009 – 08/19/2013
  • 2015MY Tucson Fuel Cell (LMFC) produced from 04/28/2014 – 10/23/2014
  • 2012-15MY Veloster (FS) produced from 07/02/2011 – 10/31/2014
  • 2010-12MY Veracruz (EN) produced from 12/24/2009 – 08/09/2012

 

Q3: What is the safety concern?

A3: An electrical short could result in significant overcurrent in the ABS module increasing the risk of an engine compartment fire while parked or driving.

 

Q4: Have there been any accidents or injuries?

A4: As of the filing to NHTSA on 09/22/2023, there are no crashes, injuries, or fatalities attributable to this condition. As of 09/22/23, twenty-one (21) related vehicle fires and twenty-two (22) thermal incidents (i.e. smoking, burning, melting, etc) have occurred in the U.S. and two (2) thermal incidents have occurred in Canada.

 

Q5: Will a Dealer Stop Sale be issued?

A5: No, as the involved vehicles are no longer in production or offered for retail sale.

 

Q6: What will be done during the recall service at the dealer?

A6: Once an official remedy is available from HMA, all owners of the subject vehicles will be notified by First Class mail with instructions to bring their vehicles to a Hyundai dealer to have the remedy completed at no cost, regardless of whether the affected vehicles are still covered under Hyundai’s New Vehicle Limited Warranty. Additionally, Hyundai will provide owners of affected vehicles reimbursement for out-of-pocket expenses incurred to obtain a remedy for the recall condition in accordance with the reimbursement plan submitted to NHTSA on February 24, 2022.

Owners can continue driving these vehicles, however, Hyundai recommends owners to park their vehicles outside and away from structures until the recall remedy is completed.

 

Q7: When will owners be notified?

A7: Owners of the subject vehicles will be notified via First Class mail in late November 2023.

 


RECALL 251 ATTACHMENT A
CHRONOLOGY OF EVENTS LEADING UP TO DEFECT DECISION

❖ June 2019 – July 2020

On June 5, 2019, HMA received a report of an overheated ABS module in a Hyundai Elantra vehicle located in the U.S. The ABS module was recovered and sent to HMC for analysis on July 12, 2019. HMA began monitoring market data for additional incidents.

On August 29, 2019, HMA received an overheated ABS module of a second overheated ABS module from a model year 2013 Hyundai Accent vehicle located in the U.S. The ABS module was sent to HMC for analysis on October 2, 2019.

HMA received HMC’s parts analysis findings involving the ABS modules from the Elantra and Accent incident vehicles on November 19, 2019, and January 17, 2020, respectively. Both modules were damaged beyond an ability to determine a heat source and possible root cause. HMA continued monitoring market data for additional incidents. No new reports were received from January 2020 through June 2020.

On July 30, 2020, HMA’s NASO received information regarding a new legal matter involving a model year 2015 Hyundai Elantra vehicle in the U.S. The ABS module was recovered and sent to HMC for analysis.

 

❖ August 2020 – November 2021

With three (3) confirmed incidents over a period of twelve months, NASO opened a formal case investigation (beginning with Elantra vehicles) on August 7, 2020, and initiated full recovery of ABS modules with thermal damage from all vehicles equipped with similar ABS modules in the U.S. market.

On December 4, 2020, NASO received information regarding a new legal matter involving 2013 Elantra vehicle. The ABS module was recovered and sent to HMC for analysis.

On February 8, 2021, NASO received HMC’s findings regarding the July 2020 incident ABS module. According to HMC, evidence of an internal brake fluid leak was found, and additional testing was necessary to confirm possible leak sources in the ABS module componentry.

On April 13, 2021, NASO received a new report involving model year 2013 Hyundai Accent vehicle in Hawaii. Shortly after, on April 26, 2021, NASO received information regarding a new legal matter involving a model year 2013 Hyundai Santa Fe Sport vehicle in the U.S. Both ABS modules involved were recovered for analysis by HMC.

On June 17, 2021, NASO received HMC’s findings regarding the ABS module recovered from the Hyundai Accent incident vehicle from December 2020 and the Hyundai Elantra incident vehicle from July 2020. According to HMC, evidence of an internal brake fluid leak was found in one of the ABS modules; however, a source or probable cause could not be determined in both modules.

On September 9, 2021, NASO shipped three (3) ABS modules received as general warranty part returns to support ongoing parts analysis by HMC.

On September 23, 2021, NASO received information regarding a new legal matter involving a model year 2015 Hyundai Elantra. The ABS module was recovered for analysis by HMC.

On October 22, 2021, NASO received information regarding a new legal matter involving a model year 2013 Hyundai Santa Fe vehicle in the U.S. Shortly after, on October 27, 2021, NASO received information regarding a new legal matter involving an additional model year 2013 Hyundai Elantra vehicle in the U.S. As an alternate means of investigating potential root causes, NASO arranged for recovery of the full incident vehicle for in-depth evaluation by Exponent, a third-party engineering analysis firm.

 

❖ December 2021 – September 2022

On December 2, 2021, Exponent presented its findings to HMA. According to Exponent, the overheat condition was potentially triggered by an internal brake fluid leak from the ABS module hydraulic circuit. Additional incident and exemplar parts were requested for further confirmation.

From January to September 2022, NASO continued recovering incident and exemplar ABS modules for ongoing analysis by HMC and Exponent. On May 19, 2022, Exponent provided an update indicating new findings regarding an ABS module received from a 2014 Hyundai Elantra incident vehicle. Exponent confirmed the presence of brake fluid on both sides of the O-rings for the ABS module motor shaft. Exponent also noted that the incident O-rings exhibited less hardness compared to the ones found in exemplar parts. Part recovery efforts continued for additional samples to be analyzed by Exponent from June to September 2022.

In August 2022, Exponent performed a review of two exemplar Elantra vehicles intended to confirm possible signs of slow-developing internal leaks in the ABS modules. Exponent reported its findings to NASO on September 16, 2022, confirming the presence of brake fluid on the ABS module controller PCB, possibly through the motor shaft O-ring as previously observed. Exponent requested additional exemplar part samples for further confirmation.

 

❖ October 2022 – December 2022

From October to December 2022, HMA continued providing incident and exemplar ABS modules for Exponent analysis. On December 2, 2022, Exponent presented their findings regarding ABS modules recovered from two (2) recent incident vehicles. According to Exponent, brake fluid contamination was present on the PCBs of both ABS modules. Additionally, both O-rings were found contaminated with surface debris with one O-ring also displaying signs of deformation as a result. Exponent later confirmed that the motor shaft seals may be gradually losing hardness in a subsequent update provided on December 21, 2022. Exponent requested additional test samples for further testing.

 

❖ January 2023 – September 2023

From January to September 2023, HMA continued providing incident and exemplar ABS modules for Exponent analysis. During this period, Exponent focused testing on the motor shaft O-ring material durability. In an update provided on May 9, 2023, Exponent reported that foreign contaminants were present in residual brake fluid found inside certain analyzed ABS modules. In an update provided on July 7, 2023, Exponent found the O-rings used in the subject ABS modules consisted of varying rubber material formulations determined through thermogravimetric (“TGA”) analysis. In an update provided on September 6, 2023, Exponent confirmed that certain material formulations used in the O-ring rubber could lose hardness over time. Additionally, the material could be affected by foreign contaminants in the brake fluid, potentially impacting sealing performance. Based on this information, HMC conducted a review of supplier manufacturing records and confirmed a material formulation change to one with increased hardness implemented by the supplier in September 2014 and February 2015 at the Korea and U.S. plants, respectively.

Based on these findings, HMA’s NASO convened its North America Safety Decision Authority on September 15, 2023 and decided to conduct a safety recall of affected vehicles in the U.S. market.

❖ There are no crashes, injuries, or fatalities attributable to this condition. To date, twenty-one (21) related vehicle fires and twenty-two (22) thermal incidents (i.e. smoking, burning, melting, etc) have occurred in the U.S. based on reports received from June 15, 2017 through June 1, 2023.

 


44 Affected Products

Vehicles

MAKEMODELYEAR
HYUNDAIACCENT2012-2015
HYUNDAIAZERA2012-2015
HYUNDAIELANTRA2011-2015
HYUNDAIELANTRA COUPE2013-2015
HYUNDAIEQUUS2014-2015
HYUNDAIGENESIS COUPE2011-2015
HYUNDAISANTA FE2013-2015
HYUNDAISANTA FE SPORT2013
HYUNDAISONATA HYBRID2011-2015
HYUNDAITUCSON2010-2013
HYUNDAITUCSON FUEL CELL2015
HYUNDAIVELOSTER2012-2015
HYUNDAIVERACRUZ2010-2012

 


4 Associated Documents

Defect Notice 573 Report

RCLRPT-23V651-6950.PDF 219.886KB

 


Recall Acknowledgement

RCAK-23V651-3906.pdf 677.189KB

 


Chronology of Events

RMISC-23V651-5851.pdf 122.954KB

 


Manufacturer Notices(to Dealers,etc) – 9/29/2023

RCMN-23V651-4592.pdf 260.466KB

 


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