Loading...

NHTSA ID Number: 10235880

Manufacturer Communication Number: WQD40

TSB/Document Date: 2023-05-08


Summary

SubarueBay logo of America, Inc. has determined vehicles affected by this Service Program require front catalytic converter replacement and ECM reprogramming.


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 service we are providing at
no charge, your vehicle may not pass this test.

CHANGED YOUR ADDRESS OR SOLD YOUR SUBARUeBay logo?
If you have changed your address, or if you have sold your SubarueBay logo, please complete the
enclosed prepaid postcard and mail it to us. Or, if you prefer to update this information online,
please go to www.subaru.com, select Contact Us then select Update Address from the drop
down menu.

IF YOU NEED FURTHER ASSISTANCE
To locate the nearest SubarueBay logo Dealer you can access our website at www.subaru.com and select
“Find a Dealer”.
For additional information and the most Frequently Asked Questions, please go to:

http:////www.wqd40.service-campaign.com

If you need additional assistance, please contact us directly:

Telephone: 1-800-SUBARU3 (1-800-782-2783)
Monday through Thursday between 7:30 a.m. and 8:00 p.m. ET
Friday between 10:30 a.m. and 5:00 p.m. ET
Saturday between 9:00 a.m. and 3:30 p.m. ET

E-mail: Go to www.subaru.com and select “Contact Us”.

U.S. Postal mail: Write us at SubarueBay logo of America, Inc., Attn: CDS Department,
P.O. Box 6000, Cherry Hill, NJ 08034-6000.

Please contact us immediately if the dealer fails or is unable to make the necessary repairs
free of charge.
Your continued satisfaction with SubarueBay logo is important to us. This update is intended to ensure
your vehicle’s optimal performance. We appreciate your understanding in this matter and
regret any inconvenience this may cause you.
Sincerely,
SubarueBay logo of America, Inc.

Notice to Lessors: The lessor of a vehicle who receives this letter is requested to provide a copy of it to the vehicle lessee(s)
within 10 business days from receipt. The lessor should 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 Fuji Heavy Industries Ltd.
Bulletin Number: WQD-40; Date: January 2013

Continued...
Page 8

PHASE-IN TABLE

Phase 1 (1/14/13)

Phase 2 (2/25/13)

Phase 3 (3/18/13)

Phase 4 (4/15/13)

STATE

MY

CARLINE

TRANS

CA

2008

Legacy

Auto

CA

2009

Legacy

Auto

CA

2008

Outback

Auto

CA

2009

Outback

Auto

MA

2008

Outback

Auto

OR

2009

Legacy

Auto

OR

2009

Outback

Auto

WA

2009

Legacy

Auto

WA

2009

Outback

Auto

CA

2008

Legacy

Manual

CA

2009

Legacy

Manual

CA

2008

Outback

Manual

CA

2009

Outback

Manual

CT

2008

Legacy

Auto

CT

2009

Legacy

Auto

CT

2008

Outback

Auto

CT

2009

Outback

Auto

MA

2008

Legacy

Auto

OR

2009

Legacy

Manual

OR

2009

Outback

Manual

WA

2009

Legacy

Manual

WA

2009

Outback

Manual

CA

2008

Forester

Auto

CA

2008

Forester

Manual

CT

2008

Legacy

Manual

CT

2009

Legacy

Manual

CT

2008

Outback

Manual

CT

2009

Outback

Manual

MA

2008

Forester

Auto

MA

2008

Forester

Manual

MA

2008

Legacy

Manual

MA

2009

Legacy

Auto

MA

2009

Legacy

Manual

MA

2008

Outback

Manual

MA

2009

Outback

Auto

MA

2009

Outback

Manual

Continued...
Bulletin Number: WQD-40; Date: January 2013

Page 9

Phase 5 (5/13/13)

Phase 6 (6/17/13)

Phase 7 (7/15/13)

Phase 8 (8/12/13)

Phase 9 (9/16/13)

STATE

MY

CARLINE

TRANS

CA

2009

Forester

Auto

OR

2009

Forester

Auto

OR

2009

Forester

Manual

CA

2009

Forester

Manual

CT

2008

Forester

Auto

CT

2008

Forester

Manual

ME

2008

Legacy

Manual

ME

2009

Legacy

Manual

ME

2008

Outback

Manual

ME

2009

Outback

Manual

WA

2009

Forester

Auto

WA

2009

Forester

Manual

CT

2009

Forester

Auto

MA

2009

Forester

Auto

CT

2009

Forester

Manual

MA

2009

Forester

Manual

ME

2008

Forester

Auto

ME

2008

Forester

Manual

ME

123

SaleBestseller No. 1
TOPDON RLink J2534 Pass-Thru Programmer, OEM Reprogramming and Diagnostic Tool, Enhanced J2534 VCI, Supports J2534/D-PDU/CAN-FD/DoIP, Compatible with 18+ Vehicle Brands, No OE Software Provided
289 Reviews
TOPDON RLink J2534 Pass-Thru Programmer, OEM Reprogramming and Diagnostic Tool, Enhanced J2534 VCI, Supports J2534/D-PDU/CAN-FD/DoIP, Compatible with 18+ Vehicle Brands, No OE Software Provided
  • J2534 Pass-Thru Programmer: TOPDON RLink J2534 is an...
  • All-in-One OEM Diagnostics: This J2534 ECU programming tool...
  • Proven Performance You Can Trust: Backed by over 10000 real...
  • Integrated Excellence, Always Up-to-Date: Featuring the...
  • Efficiency Meets Versatility: Engineered to support three...
SaleBestseller No. 2
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
  • Advanced VCI Box, Industry-leading J2534 Pass-Thru...
  • High-Speed OEM-Level Diagnostics & Programming: Unlock true...
  • Coverage for 17 Car Brands & Ultra Reliability: Works...
  • User-Friendly RLink Platform & Expert Support: TOPDON’s...
  • 6.6 ft USB-C Cable & Portable Storage Case: The RLink J...

Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API


 


If the PDF is very large, it may not load in the preview below.

Download PDF [733.39 KB]


Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)


Search NHTSA Database for Recalls

View Latest Recalls


Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations


Search NHTSA Database for Vehicle Complaints

View Latest Vehicle Complaints


TSB/Document ID: WQD40

Replacement Service Bulletin Number:

MFR Communication Date: 2013-01-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


Previous TSB

Next TSB



THINKCAR Bidirectional OBD2 Scanner Diagnostic Tool 689BT - All System Scan Tool with Bluetooth 5.0, 3000+ Active Tests,ECU Coding, 34+ Services, FCA, CAN-FD and DoIP, Wireless Update
108 Reviews
THINKCAR Bidirectional OBD2 Scanner Diagnostic Tool 689BT - All System Scan Tool with Bluetooth 5.0, 3000+ Active Tests,ECU Coding, 34+ Services, FCA, CAN-FD and DoIP, Wireless Update
  • [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
  • Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
  • Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
  • 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
  • Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.

Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API


 

Sale
XTOOL D7S Bidirectional Scan Tool, 2026 AI-Assisted OBD2 Scanner Diagnostic Tool with FCA AutoAuth, All System Car Scanner, 39+ Resets, ECU C0ding, PMI, Upgrade of D7, Crankshaft Relearn, CAN FD/DoIP
334 Reviews
XTOOL D7S Bidirectional Scan Tool, 2026 AI-Assisted OBD2 Scanner Diagnostic Tool with FCA AutoAuth, All System Car Scanner, 39+ Resets, ECU C0ding, PMI, Upgrade of D7, Crankshaft Relearn, CAN FD/DoIP
  • Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCAeBay logo Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
  • 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCAeBay logo AutoAuth: Now supports FCAeBay logo SGW module for ChryslereBay logo, for JeepeBay logo, for DodgeeBay logo (2018+), for FiateBay logo (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for FordeBay logo, for LincolneBay logo, and for MazdaeBay logo ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
  • 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
  • Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMWeBay logo, for Benz and offline for BENZ, for MIT, along with PMI functions for FordeBay logo, for MazdaeBay logo, and for LincolneBay logo. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
  • OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently

Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API


 

2026 BOSSCOMM IF745 Scanner Diagnostic Tool, Check Engine Code Reader with 6 Resets, ABS Bleeder/Oil/EPB/SAS/Throttle/Battery, Scanner Diagnostic Tool for Vehicles, Lifetime Free Update, Auto VIN
  • 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
  • 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
  • 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
  • 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.​
  • 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.

Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API


 


This product presentation was made with AAWP plugin.

Share to...