WUQ-02 – Ignition Coil Reprogramming – 2017-2019 Subaru Impreza & 2018-2019 Crosstrek

October 18, 2019 NHTSA CAMPAIGN NUMBER: 19V743000

ECM Software May Cause Stall

If a short circuit occurs while driving, the vehicle may stall, increasing the risk of a crash.

 

NHTSA Campaign Number: 19V743

Manufacturer SubarueBay logo of America, Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 466,205

 

Summary

SubarueBay logo of America, Inc. (SubarueBay logo) is recalling certain 2017-2019 Impreza and 2018-2019 Crosstrek vehicles. The Engine Control Module (ECM) may continue to power the ignition coil after the engine is shut off, which could result in a short circuit and blown fuse.

 

Remedy

SubarueBay logo will notify owners, and dealers will update the ECM software and inspect and replace the ignition coil, as necessary, free of charge. In addition, on vehicles with confirmed ignition coil damage and a certain stored diagnostic trouble code (DTC), SubarueBay logo will replace the front exhaust pipe, free of charge. The recall began December 4, 2019. Owners may contact SubarueBay logo customer service at 1-844-373-6614. SubarueBay logo’s number for this recall is WUQ-02.

 

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.safercar.gov.

 

Check if your Subaru has a Recall

 


2019 Subaru Impreza
2019 Subaru Impreza

 


NUMBER: WUQ-02R
NHTSA ID:
19V-743
DATE:
10/22/19
REVISED:
04/23/21

 

UPDATE April 23, 2021:

 

SubarueBay logo of America, Inc. (SubarueBay logo) is recalling certain 2017-2019 model year Impreza and 2018-2019 Crosstrek vehicles due to improper Engine Control Module (ECM) programming.  A total of 466,205 U.S. vehicles will be affected by this recall.

 

AFFECTED VEHICLES:

Model YearCarlineProduction Date Range
2017-2019Impreza 4D7/01/2016 – 6/17/2019
2017-2019Impreza 5D7/01/2016 – 6/17/2019
2018-2019Crosstrek5/09/17 – 5/08/2019

 

Not all vehicles in the production range listed above are affected by this recall.  Coverage must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com prior to repair.

 

REASON FOR THIS RECALL:

Under certain circumstances, the ignition coil may be energized longer than designed after the engine is OFF.  If the ignition coil remains energized for too long, the internal temperature of ignition coil may increase which could cause a short circuit and a blown fuse.  If a short circuit occurs while the vehicle is in motion, the vehicle may experience a loss of motive power while driving without the ability to immediately restart the engine.

 

SAFETY RISK:

If a short circuit in the ignition coil occurs while the vehicle is in motion, the vehicle may experience a loss of motive power while driving without the ability to immediately restart the engine, increasing the risk of a crash.

 

DESCRIPTION OF THE REMEDY:

For all the potentially affected vehicles, SubarueBay logo retailers will reprogram the ECM and inspect the ignition coil at no cost. If ignition coil damage is found, the damaged ignition coil will be replaced with a new part at no cost.  On vehicles with confirmed ignition coil damage, if a certain DTC is stored, SubarueBay logo will replace the front exhaust pipe at no cost.

 

OWNER NOTIFICATION:

SubarueBay logo will notify affected vehicle owners by first class mail within 60 days.  Owners with a valid email address on file will also be notified by email.  Retailers will be advised when the notification is scheduled.

 

RETAILER RESPONSIBILITY:

Please be advised that it is a violation of Federal law for a dealer to deliver a new motor vehicle covered by a recall under a sale or lease until the defect is remedied.  Therefore, any Authorized SubarueBay logo Retailer failing to perform the applicable service procedures to correct all affected vehicles in their inventory prior to the vehicle being placed in service may be subject to civil penalties of up to $21,000 per violation (i.e., for each vehicle), as provided in 49 CFR §578.6 and will also be in breach of the SubarueBay logo Dealer Agreement.

 

Any vehicles listed in any recall/campaign that are in retailer stock must be:

  • Immediately identified.
  • Tagged or otherwise marked to prevent their delivery or use prior to repair.
  • Repaired in accordance with the repair procedures outlined in the Product Campaign Bulletin

Retailers are to promptly follow the applicable service procedures, to correct all affected vehicles in their inventory (used, demo & SSLP).  Additionally, whenever a vehicle subject to this recall is taken into retailer inventory necessary steps should be taken to ensure the recall correction has been made before selling or releasing the vehicle.

 

PACK FILE APPLICABILITY:

Model PAK File NameNew ECM Part NumberOld ECM Part NumbersDecryption KeywordNew CID Number
2017-18MY Impreza MT w/ AGS22765AJ59J.pak22765AJ59H22765AJ59A,
22765AJ59B,
22765AJ59C,
22765AJ59D,
22765AJ59E,
22765AJ59F,
22765AJ59G &
22765AJ59H
6C42F7AAXH3J2C0C
2017MY Impreza CVT w/ AGS22765AJ60H.pak22765AJ60H22765AJ60A,
22765AJ60B,
22765AJ60C,
22765AJ60D,
22765AJ60E,
22765AJ60F &
22765AJ60G
2D10095AXH3J2BOD
2017-18MY Impreza MT w/o AGS22765AK61H.pak22765AK61H22765AK61A,
22765AK61B,
22765AK61C,
22765AK61D,
22765AK61E,
22765AK61F &
22765AK61G
1A140CF2XH3J2B0A
2017-18MY Impreza CVT w/o AGS22765AL71H.pak22765AL71H22765AL71A,
22765AL71B,
22765AL71C,
22765AL71D,
22765AL71E,
22765AL71F &
22765AL71G
8B9CB1DBXH3J2B0B
2018MY Impreza CVT w/ AGS22765AM28G.pak22765AM28F22765AM28A,
22765AM28B,
22765AM28C,
22765AM28D,
22765AM28E &
22765AM28F
20A2B49BXH3J9A0D
2018MY Crosstrek 6MT22765AJ615.pak22765AJ61522765AJ610,
22765AJ611,
22765AJ612,
22765AJ613 &
22765AJ614
8B8D6153XH3J2B0E
2018MY Crosstrek CVT22765AJ626.pak22765AJ62522765AJ620,
22765AJ621,
22765AJ622,
22765AJ623,
22765AJ624 &
22765AJ625
98238F2BXH3J2C0F
2019MY Impreza 5MT w/o AGS22765AM65E.pak22765AM65D22765AM65A,
22765AM65B,
22765AM65C &
22765AM65D
38657746XH3N600A
2019MY Impreza CVT22765AM67D.pak22765AM67D22765AM67A,
22765AM65B &
22765AM65C
2E8AC82AXH3N500B
2019MY Impreza 5MT w/AGS22765AM64D.pak22765AM64D22765AM64A,
22765AM64B &
22765AM64C
A8239A37XH3N500C
2019MY Impreza CVT w/AGS22765AM66D.pak22765AM66D22765AM66A,
22765AM66B &
22765AM66C
3C8E9D2EXH3N500D
2019MY Crosstrek 6MT w/ AGS22765AM813.pak22765AM81322765AM810,
22765AM811 &
22765AM812
590F86B2XH3N500E
2019MY Crosstrek CVT22765AM823.pak22765AM82322765AM820,
22765AM21 &
22765AM22
AECDC448XH3N500F

 

PART INFORMATION:

Description Part Number
COIL AY IGNITION22433AA741

 

REMINDER:  If ignition coil replacement is necessary (rare case), always order the most up-to-date part number(s) based on the specific VIN being repaired.

 

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

The procedure involves checking the Calibration ID of the ECM and if necessary, inspecting the four (4) ignition coils on all affected vehicles.  If not already installed, reprograming the ECM with the latest logic following the normal FlashWrite/SSM procedure is also required.  Any ignition coil(s) found to be damaged during inspection (rare case) must be replaced.  If the ignition coil damage is accompanied by certain Diagnostic Trouble Codes (DTCs), the exhaust pipe front (EPF) may also require replacement.

The following Flow Chart is provided as an overview of the procedures required to perform this Recall.  A detailed Service Procedure is also supplied below.

 

WUQ-02 Service Procedure Flow Chart

WUQ-02 Service Procedure Flow Chart

 

Step 1:  Connect the SSM and perform a Calibration ID (CID) check to determine if the latest logic is already installed.

YESSTOP.  Procedure is complete.  Proceed to the CLAIM REIMBURSEMENT AND ENTRY PROCEDURES section.

NO:  Proceed to Step 2.

 

Step 2:  Does the engine start normally?

NO:  The engine does not start normally: Proceed to Step 3 and inspect Fuse 21.

YES:  The engine starts normally: Proceed to Step 4 and inspect (Do NOT remove) all 4 of the ignition coils closely.

 

Step 3:  Remove the lid from the under-hood Main Fuse Box (M/B) and inspect Fuse 21.  Is Fuse 21 blown?

NO:  Diagnose the hard / no start according to the applicable Service Manual.  Proceed to Step 4.

YES:  Proceed to Step 4 and inspect all 4 of the ignition coils closely.

 

Step 4:  Inspect all 4 ignition coils CLOSELY for any damage, cracking, fissures, etc.  Coil removal is NOT necessary as any damage will be external. Were any cracks, fissures or other damage found on any of the 4 ignition coils?

YES:  Replace any damaged coil(s) (rare case) following the procedure in the applicable Service Manual then proceed to Step 5 and using the SSM, check for any stored DTCs.

NO:  Proceed to Step 6 and reprogram the ECM following the normal FlashWrite procedure.

 

Step 5:  When performing the DTC check, are any DTCs, P0301, 2, 3 or 4: Cylinder Misfire Detected or P0420: for Catalyst Efficiency Below Threshold Bank 1 stored in memory?

NO:  None of the listed DTCs are stored.  Replace ONLY any damaged ignition coils and Fuse 21 (if blown) in the M/B.  When complete, proceed to Step 6 and reprogram the ECM following the normal FlashWrite procedure.

YES:  One or more of the listed DTCs are current or in history.  Replace any damaged ignition coils, Fuse 21 (if blown) in the M/B and the EPF assembly following the procedure in the applicable Service Manual.  When completed, proceed to Step 6 and reprogram the ECM following the normal FlashWrite procedure.

 

Step 6:  Reprogram the ECM following the normal FlashWrite procedure.  SubarueBay logo of America, Inc.

(SOA) highly recommends connecting either the SubarueBay logo Midtronics DCA-8000 Dynamic Diagnostic Charging System or the SubarueBay logo Midtronics GR8-1100 Diagnostic Battery Charger to the vehicle and utilizing the Power Supply Mode feature anytime a vehicle control module is being reprogrammed.  Once the Midtronics charger is connected to the vehicle, if the battery is fully charged, it takes less than three (3) minutes to boot-up the charger, select the Power Supply Mode, and have the battery voltage stabilized and ready for reprogramming.

 

NOTES:

  • For instructions on using the power supply mode, reference the applicable User Manual for the Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Midtronics GR81100 Diagnostic Battery Charger on STIS.
  • Confirm all electrical loads such as lights, audio, HVAC, seat heaters, and rear defroster are all switched OFF before setting up the charger for Power Supply Mode.
  • Select the correct battery type (Flooded, EFB, Gel, AGM or AGM Spiral).
  • Input the CCA which matches the vehicle’s battery. NOTE: OE and replacement batteries have different CCA ratings.  Always confirm the battery’s CCA rating before proceeding.
  • If using a DCA-8000 Dynamic Diagnostic Charging System, set the power supply voltage to 13.5 volts.
  • DO NOT connect the DST-i or SDI until the Power Supply mode function has completed its battery test mode and the Charging Voltage has dropped to and shows a steady 13.5 Volts on the display.
  • Once Power Supply Mode reaches a steady 13.5 volts, connect the DST-i or SDI to the OBD connector and proceed with initiating the normal FlashWrite reprogramming process.
  • Amperage will fluctuate based upon the vehicle’s demand for power. NOTE: If the voltage rises beyond 14V while programming is in process, the procedure will abort. This can indicate a need to test or charge the vehicle battery before any further attempt at programming is made.

 

VERY IMPORTANT:

This information is applicable to the SubarueBay logo Midtronics DCA-8000 Dynamic Diagnostic Charging System and the SubarueBay logo Midtronics GR8-1100 Diagnostic Battery Charger ONLY.  It does not apply to any other brand / type of “generic” battery charger whatsoever.  ONLY the DCA-8000 and the GR8-1100 and their Power Supply Mode feature have been tested and approved by SOA.

REMINDER:  If the DCA-8000 or GR8-1100 indicates the vehicle’s battery must be charged, charge the battery fully before proceeding to reprogram the vehicle while using the Power Supply Mode.

NOTE:  Control module failures resulting from battery discharge during reprogramming are not a matter for warranty.  Should any DTCs reset after the reprogramming update is performed, diagnose per the procedure outlined in the applicable Service Manual.

 

CALIFORNIA “VEHICLE EMISSION RECALL – PROOF OF CORRECTION” CERTIFICATE

The California Air Resources Board and the Department of Motor Vehicles Registration/Recall Program requires that all emission related Recall/Campaign or Service Program repairs be completed before a vehicle registration is renewed.  Please provide owners of vehicles registered in the state of California a completed “Vehicle Emission Recall – Proof of Correction” certificate.  Vehicle owners should be advised to retain this certificate because the California Department of Motor Vehicles may require they provide proof this service program repair has been completed.

 

SERVICE PROGRAM IDENTIFICATION LABEL:

Type or print the necessary information on a Campaign Identification Label.

The completed label should be attached to the vehicle’s upper radiator support.

 


URGENT

IMPORTANT SAFETY RECALL

Please contact your authorized SubarueBay logo retailer now to schedule this FREE repair!

 

This notice applies to the VIN below

 

SubarueBay logo Safety Recall WUQ-02
NHTSA Recall ID 19V-743
June 2020

 

Dear SubarueBay logo Owner:

In December of 2019, SUBARUeBay logo OF AMERICA, INC. notified owners that a defect, which relates to motor vehicle safety, exists in certain 2017-2019 model year Impreza and 2018-2019 model year Crosstrek vehicles.

You received this notice because our records indicate that you currently own one of these vehicles and that the required repairs for this important safety recall have not been completed.

 

REASON FOR THIS SAFETY RECALL

Under certain circumstances, the ignition coil may remain energized longer than designed after the engine is OFF.  If the ignition coil remains energized for too long, the internal temperature of the ignition coil may increase which could cause a short circuit and a blown fuse.

 

SAFETY RISK

If a short circuit in the ignition coil occurs while the vehicle is in motion, the vehicle may experience a sudden loss of power while driving without the ability to immediately restart the engine, increasing the risk of a crash.

 

WHAT SUBARUeBay logo WILL DO

SubarueBay logo will reprogram the electronic control module (ECM) and inspect the ignition coil at no cost.  If ignition coil damage is found, the damaged ignition coil will be replaced with a new part at no cost to you.  Additionally, in the unlikely event the ignition coil damage has caused damage to the catalytic converter, this part will also be replaced at no cost to you.

 

What You Should Do

You should contact any authorized SubarueBay logo retailer (dealer) for an appointment to have this safety recall repair performed, at no cost to you.

 

HOW LONG WILL THE REPAIR TAKE?

The time required for the ECM reprograming and ignition coil inspection is approximately 30 minutes. However, if during inspection it is determined that there is evidence of ignition coil or catalytic converter damage, the time required to complete these repairs may take longer. Your retailer can provide you with a better estimate of the overall time for this service visit, as it may be necessary to make your vehicle available for a longer period of time.

For your convenience, your retailer may provide you with a loaner or rental vehicle, at no cost to you, until the repair is complete.

 

IS IT SAFE TO HAVE THIS SERVICE COMPLETED DURING THIS TIME?

SubarueBay logo retailers are undertaking enhanced measures to help ensure the health and well-being of customers and employees.

  • Retailer facilities are routinely and thoroughly sanitized.
  • Many stores are providing contact-free service and alternative transportation options, including vehicle pick-up and drop-off options, additional vehicle loaners and mobile repair. Please ask your retailer for options.

 

IF YOU NEED FURTHER ASSISTANCE:

To locate the nearest SubarueBay logo retailer, you can access our website at www.subarueBay logo.com and select ‘Find a Retailer.’

For additional information, please go to: https://www. wuq02.service-campaign.com.

If you need additional assistance, please contact us directly:

  • By e-mail: Go to www.subarueBay logo.com and select “Customer Support”
  • By telephone: 1-844-373-6614

Monday through Friday between 8:00 a.m. and 7:00 p.m. ET

  • By U.S. Postal mail: Write us at SubarueBay logo of America, Inc.

Attn: Customer Advocacy Department
P.O. Box 9103, Camden, NJ 08101-9877

 

Your continued satisfaction with your SubarueBay logo is important to us.  Please understand that we have taken this action in the interest of your safety and your vehicle’s proper operation.  We sincerely apologize for any inconvenience this matter may cause and urge you to schedule an appointment as soon as possible.

 

Sincerely,

SubarueBay logo of America, Inc.

 

Notice to Lessors

The lessor of a vehicle who receives this letter must provide a copy of it to the vehicle lessee(s) within 10 business days from receipt. The lessor must also keep a record of the lessee(s) to whom this letter is sent, the date sent, and the applicable vehicle identification number (VIN). (For the purposes of this section, a lessor means a person or entity that in the last twelve months prior to the date of this notification has been the owner, as referenced on the vehicle’s title, of any five or more leased vehicles. A leased vehicle is a vehicle leased to another person for a term of at least four months.)

a subsidiary of SubarueBay logo Corporation

 


URGENT 

IMPORTANT SAFETY RECALL

This notice applies to the VIN below

 

SubarueBay logo Safety Recall WUQ-02
NHTSA Recall ID 19V-743
December 2019

 

Dear SubarueBay logo Owner:

This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.

SUBARUeBay logo OF AMERICA, INC. has decided that a defect, which relates to motor vehicle safety, exists in certain 2017-2019 model year Impreza and 2018-2019 model year Crosstrek vehicles.

You received this notice because our records indicate that you currently own one of these vehicles.

 

REASON FOR THIS SAFETY RECALL

Under certain circumstances, the ignition coil may remain energized longer than designed after the engine is OFF.  If the ignition coil remains energized for too long, the internal temperature of the ignition coil may increase which could cause a short circuit and a blown fuse.

 

SAFETY RISK

If a short circuit in the ignition coil occurs while the vehicle is in motion, the vehicle may experience a sudden loss of power while driving without the ability to immediately restart the engine, increasing the risk of a crash.

 

WHAT SUBARUeBay logo WILL DO

SubarueBay logo will reprogram the electronic control module (ECM) and inspect the ignition coil at no cost.  If ignition coil damage is found, the damaged ignition coil will be replaced with a new part at no cost to you.  Additionally, in the unlikely event the ignition coil damage has caused damage to the catalytic converter, this part will also be replaced at no cost to you.

 

What You Should Do

You should contact any authorized SubarueBay logo retailer (dealer) for an appointment to have this safety recall repair performed, at no cost to you.

 

HOW LONG WILL THE REPAIR TAKE?

The time required for the ECM reprograming and ignition coil inspection is approximately 30 minutes. However, if during inspection it is determined that there is evidence of ignition coil or catalytic converter damage, the time required to complete these repairs could exceed 2 ½ hours. Your retailer can provide you with a better estimate of the overall time for this service visit, as it may be necessary to make your vehicle available for a longer period of time.

For your convenience, your retailer may provide you with a loaner or rental vehicle, at no cost to you, until the repair is complete.

 

CALIFORNIA REGISTERED OWNERS

The California Air Resources Board requires that emission related campaigns be completed prior to California’s vehicle registration renewal process; without this repair, you will not be able to register your vehicle during your next annual registration. Upon completion of this campaign, your California dealer will complete and provide you a “Proof of Correction Certificate.” If required, present the certificate to the California Department of Motor Vehicles (the “DMV”) when renewing your California registration as proof of campaign completion. If the DMV does not request the certificate, we recommend that you keep it for your records.

In addition, the State of California requires that every vehicle must pass an emission test (SMOG Check) every two years and before it is sold. Without the repair we are providing at no charge, your vehicle may not pass this test.

 

OWNER INFORMATION

Government regulations require that recall notifications be sent to the last known owner of record. That information is based primarily on state registration and title data. If you are a lessor of this vehicle, federal regulations require you to forward this notice to your lessee within ten days.

If you have moved or sold your vehicle, please update this information online at www.subarueBay logo.com, select ‘Customer Support,’ then select ‘Address Update’ or ‘Ownership Update’ from the “Quick Links” menu.

 

IF YOU HAVE PREVIOUSLY PAID FOR A REPAIR

If you have already paid for repairs associated with this condition, you may be eligible for reimbursement. Reimbursement consideration will be based on the amount an authorized SubarueBay logo retailer in your area would charge for the same repair.

Please send the original service repair order, which has the name of the repair facility, date of repair, mileage at the time of repair, complete 17-digit vehicle identification number (VIN), and your name, with correct mailing address and telephone number to the address listed below.

SubarueBay logo of America, Inc.
Customer-Retailer Services Department, Attention: WUQ-02 Recall
P.O. Box 9103, Camden, NJ 08101-9877

 

Please send original receipts only and retain a photocopy for your records.  Please be assured that we will attempt to process your reimbursement request as quickly as possible, but it may take up to 60 days for this process to be completed.

 

IF YOU NEED FURTHER ASSISTANCE:

To locate the nearest SubarueBay logo retailer, you can access our website at www.subarueBay logo.com and select ‘Find a Retailer.’

For additional information, please go to: https://www.wuq02.service-campaign.com.

If you need additional assistance, please contact us directly:

  • By e-mail: Go to www.subarueBay logo.com and select “Customer Support”
  • By telephone: 1-844-373-6614

Monday through Friday between 8:00 a.m. and 7:00 p.m. ET

  • By U.S. Postal mail: Write us at SubarueBay logo of America, Inc.

Attn: Customer-Retailer Services Department

P.O. Box 9103, Camden, NJ 08101-9877

 

To subscribe to the NHTSA Recall Notification email System, please go to: https://wwwodi.nhtsa.dot.gov/nhtsa/subscriptions.

 

Please contact us immediately if the SubarueBay logo retailer fails or is unable to make the necessary repairs free of charge.

You may also contact the Administrator, National Highway Traffic Safety Administration (NHTSA), 1200 New Jersey Ave., SE, Washington, DC 20590 or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153) or go to https://www.safercar.gov if you believe the SubarueBay logo retailer has failed or is unable to remedy your vehicle without charge within a reasonable amount of time.

Your continued satisfaction with your SubarueBay logo is important to us.  Please understand that we have taken this action in the interest of your safety and your vehicle’s proper operation.  We sincerely apologize for any inconvenience this matter may cause and urge you to schedule an appointment as soon as possible.

 

Sincerely,

SubarueBay logo of America, Inc.

 

A subsidiary of SUBARUeBay logo CORPORATION 

 Notice to Lessors

The lessor of a vehicle who receives this letter must provide a copy of it to the vehicle lessee(s) within 10 business days from receipt. The lessor must also keep a record of the lessee(s) to whom this letter is sent, the date sent, and the applicable vehicle identification number

(VIN). (For the purposes of this section, a lessor means a person or entity that in the last twelve months prior to the date of this notification has been the owner, as referenced on the vehicle’s title, of any five or more leased vehicles. A leased vehicle is a vehicle leased to another person for a term of at least four months.)

  


Chronology of Defect / Noncompliance Determination

Provide the chronology of events leading up to the defect decision or test data for the noncompliance:

 

October 2, 2017SubarueBay logo received the first technical report from a foreign market alleging that a vehicle had a loss of motive power and the engine could not be immediately restarted.  SubarueBay logo collected the engine for further evaluation.  From the joint investigation conducted with the supplier, it was estimated that the loss of motive power was due to a damaged ignition coil.  The investigation of the ignition coil did not identify the cause of the damage.  SubarueBay logo requested additional part collection for any similar claims.

 

February 14, 2018SubarueBay logo received the first technical report from the U.S. market alleging loss of motive power.  SubarueBay logo opened a joint investigation with the ECM, ignition coil, and engine harness supplier.  From the investigation of the collected engine, it was again estimated that the loss of power was due to a damaged ignition coil.  A short circuit in the igniter was one possible cause of the damage to the ignition coil, however, the investigation could not identify the cause of the short circuit.

 

May 2018SubarueBay logo, the supplier, and a third party conducted FTA analysis into the possible cause of an igniter short circuit.  The results of the analysis were inconclusive.

 

August 2018 – Simulation tests, such as CAE analysis of thermal effect and temperature cycle testing, were conducted to determine if potential voids in the solder could be a contributing factor.  As a result, soldering was ruled out as a potential cause.

 

October 29, 2018 – As a preventative measure, a thermal resistance inspection for the ignition coil was implemented on the production line.

 

January 19, 2019 – Destructive testing was conducted using long periods of conduction in an attempt to induce an igniter short circuit.  Damage observed on one of the field return parts and damage observed after testing appeared to be similar.

 

June 19, 2019 – At the supplier, the continuing investigation results appeared to show that the ECM programming may be the cause of ignition coil energization for longer than expected periods of time after the engine is shut off. Since the previous preventative countermeasure did not completely resolve the condition, as an additional preventative measure, and updated ECM program was implemented on the production line.

 

October 10, 2019 – Based on the results of the investigation, SubarueBay logo believes that the ignition coil may be energized longer than designed after the engine is OFF. The occurrence rate appears to increase with the number of engine OFF cycles.  In certain foreign markets, the subject vehicle population is equipped with an automatic start/stop feature. Field data in these markets serves as an early warning indicator for markets that do not offer an automatic start/stop feature, such as the U.S. market. For the entire population of potentially affected vehicles, SubarueBay logo has received 32 field reports and 8 VOQs in the U.S. market. Out of an abundance of caution, SubarueBay logo decided to conduct a voluntary safety recall.

 


5 Affected Products

Vehicles

MAKEMODELYEAR
SUBARUeBay logoCROSSTREK2018-2019
SUBARUeBay logoIMPREZA2017-2019

 


22 Associated Documents

Remedy Instructions and TSB

RCRIT-19V743-1052.pdf 1486.027KB

 


Recall Quarterly Report #2, 2020-1

RCLQRT-19V743-1385.PDF 211.248KB

 


Remedy Instructions and TSB

RCRIT-19V743-2388.pdf 1486.657KB

 


Remedy Instructions and TSB

RCRIT-19V743-8274.pdf 1410.125KB

 


Recall Quarterly Report #1, 2019-4

RCLQRT-19V743-2081.PDF 211.145KB

 


Miscellaneous Document – WUQ02 Owner Notification Letter Remail

RMISC-19V743-3119.pdf 233.379KB

 


Manufacturer Notices(to Dealers,etc)- Subarunet Announcement

RCMN-19V743-7994.pdf 99.96KB

 


Recall 573 Report -Amendment 1

RCLRPT-19V743-5368.PDF 215.397KB

 


Recall 573 Report -Amendment 2

RCLRPT-19V743-1674.PDF 215.399KB

 


Chronology

RMISC-19V743-9722.pdf 103.192KB

 


Manufacturer Notices(to Dealers,etc)- Owner Notification Schedule: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming Recall

RCMN-19V743-6337.pdf 115.328KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-19V743-1890.pdf 232.96KB

 


Manufacturer Notices(to Dealers,etc) – STOP SALE/Safety Recall: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming 10/23/19

RCMN-19V743-9201.pdf 200.05KB

 


Remedy Instructions and TSB

RCRIT-19V743-3082.pdf 1410.094KB

 


Remedy Instructions and TSB

RCRIT-19V743-1427.pdf 1297.499KB

 


Recall Acknowledgement

RCAK-19V743-4747.pdf 316.825KB

 


Remedy Instructions and TSB

RCRIT-19V743-0694.pdf 1297.878KB

 


Manufacturer Notices(to Dealers,etc) – NEW: IMMEDIATE STOP SALE/Safety Recall: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming

RCMN-19V743-1812.pdf 201.348KB

 


Manufacturer Notices(to Dealers,etc) – NEW: IMMEDIATE STOP SALE/Safety Recall: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming

RCMN-19V743-2810.pdf 201.486KB

 


Defect Notice 573 Report

RCLRPT-19V743-8216.PDF 215.401KB

 


Recall Quarterly Report #3, 2020-2

RCLQRT-19V743-0523.PDF 211.339KB

 


Recall Quarterly Report #4, 2020-3

RCLQRT-19V743-7384.PDF 211.45KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=19V743&docType=RCL

 


NHTSA ID Number: 10191595

Manufacturer Communication Number: WUQ-02R

Summary

“This recall (WUQ-02) has been expired and superseded to the WRE-21 recall.”

 

1 Associated Document

Manufacturer Communications

NUMBER: WUQ-02R
NHTSA ID: 19V-743
DATE: 10/22/19
REVISED: 04/23/21

https://www.nhtsa.gov/recalls?nhtsaId=10191595

MC-10191595-0001.pdf 1489.96KB

 


NHTSA ID Number: 10176011

Manufacturer Communication Number: WUQ-02R

Summary

SubarueBay logo of America, Inc. (SubarueBay logo) is recalling certain 2017-2019 model year Impreza and 2018-20109 Crosstrek vehicles due to improper Engine Control Module (ECM) programming.

 

1 Associated Document

Manufacturer Communications

NUMBER: WUQ-02R
NHTSA ID: 19V-743
DATE: 10/22/19
REVISED: 05/11/20

https://www.nhtsa.gov/recalls?nhtsaId=10176011

MC-10176011-0001.pdf 1486.027KB

 


NHTSA ID Number: 10169827

Manufacturer Communication Number: WUQ-02R

Summary

SubarueBay logo of America, Inc. (SubarueBay logo) is recalling certain 2017-2019 model year Impreza and 2018-2019 Crosstrek vehicles due to improper Engine Control Module (ECM) programming. A total of 466,205 U.S. vehicles will be affected by this recall.

 

1 Associated Document

Manufacturer Communications

NUMBER: WUQ-02R
NHTSA ID: 19V-743
DATE: 10/22/19
REVISED: 12/02/19

https://www.nhtsa.gov/recalls?nhtsaId=10169827

MC-10169827-0001.pdf 1485.412KB

 


NHTSA ID Number: 10168631

Manufacturer Communication Number: Subarunet Announ

Summary

Owner notification schedule: WUQ-02 Impreza/Crosstrek ignition coil reprogramming recall.

 

1 Associated Document

Manufacturer Communications

Date: November 21, 2019
Owner Notification Schedule: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming Recall

https://www.nhtsa.gov/recalls?nhtsaId=10168631

MC-10168631-0001.pdf 119.325KB

 


NHTSA ID Number: 10166932

Manufacturer Communication Number: WUQ-02R

Summary

SubarueBay logo of America, Inc. (SubarueBay logo) is recalling certain 2017-2019 model year Impreza and 2018-2019 Crosstrek vehicles due to improper Engine Control Module (ECM) programming. A total of 466,205 U.S. vehicles will be affected by this recall.

 

1 Associated Document

Manufacturer Communications

NUMBER: WUQ-02R
NHTSA ID: 19V-743
DATE: 10/22/19
REVISED: 10/30/19

https://www.nhtsa.gov/recalls?nhtsaId=10166932

MC-10166932-0001.pdf 1410.125KB

 


NHTSA ID Number: 10166939

Manufacturer Communication Number: Subarunet Announ

Summary

The remedy is now available for this recall. Please refer to the WUQ-02 Product campaign Bulletin on STIS.

 

1 Associated Document

Manufacturer Communications

Date: October 23, 2019
UPDATE: STOP SALE/Safety Recall: WUQ-02 Impreza/Crosstrek Ignition Coil Reprogramming

https://www.nhtsa.gov/recalls?nhtsaId=10166939

MC-10166939-0001.pdf 200.05KB

 


 

Reprogramming

What J2534 reprogramming capabilities are available?

(4a) J2534 Reprogramming

Subaru reprogramming files using a generic (non-OEM) SAEJ2534 pass-thru vehicle programming device are available by contacting Service Technical Information Company toll free at 1-866-428-2278. The cost for the CD-ROM with all reprogramming files is $75.00 plus S/H and applicable state tax. Files will be updated four (4) times per year, in CD-ROM format, with all available reprogramming service information at the same above offered cost. Authorized Subaru Dealers are provided the same reprogramming information.

Before purchasing, the reprogramming details can be found in the following Reprogramming J-2534 Files chart. Click the link to view the PDF chart.

Subaru J2534 Reprogramming software meets the latest available J2534-1 specification. Our Reprogramming J2534 Files chart does not specify the Calibration Identification Number (CID); however, this information is included in our offered CD-Rom.

Note: The ECM or TCMeBay logo being reprogrammed may already contain some or all of the reprogramming files listed in the Reprogramming J2534 Files chart shown by release date. It is possible to damage the vehicles ECM/TCMduring the reprogramming event. Once the reprogramming process has started, it is recommended not to interrupt the process until the event is completed. If you experience any problems, please contact your scan tool maker for further instructions.

 

(4b) Are all pre-2004MY Subaru vehicles compatible with J2534?

No. Subaru has no reprogramming capability for model years 1996-1998. Starting with our 1999 model year, please see our Reprogramming Pre-J2534 Files chart for affected model reprogramming information.

Both pre-J2534 reprogramming and J2534 pass thru reprogramming files are included in the offered HDS kit software for aftermarket service provider application.


 

https://techinfo.subaru.com/

 


 

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42 Reviews
TOPDON RLink J2534 Reprogramming Tool, High-Speed J2534 Pass-Thru Programmer, OEM Reprogramming and Diagnostic Tool, Supports J2534/D-PDU/CAN-FD/DoIP, 17+ Vehicle Brands Supported
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Opus IVS CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
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Bestseller No. 4
Autel J2534 Pass-Thru Programmer, 2026 OEM Reprogramming Diagnostic Tool, Pro 2.0 Ver. of MaxiFlash Elite, Support J2534/ D-PDU/CAN FD/DoIP Protocols, Work with OE Tools & Ultra Lite Elite II PRO
69 Reviews
Autel J2534 Pass-Thru Programmer, 2026 OEM Reprogramming Diagnostic Tool, Pro 2.0 Ver. of MaxiFlash Elite, Support J2534/ D-PDU/CAN FD/DoIP Protocols, Work with OE Tools & Ultra Lite Elite II PRO
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Launch X431 PRO3 V+ Elite, 2026 SmartlinkC 2.0 Bidirectional Scan Tool with J2534 Portocol, HD Trucks Scanner, 10.1 inch, Topology Map, 60+Service, Online Code, CANFD/DoIP/D-PDU, FCA, 2 Yrs Update
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Last update on 2026-06-11 / Affiliate links / Images from Amazon Product Advertising API


 

 


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