NHTSA ID Number: 10232236
Manufacturer Communication Number: 15-257-19R
Summary
This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
NUMBER: 15-257-19R
DATE: 11/11/19
REVISED: 02/28/23
| APPLICABILITY: | 2019-23MY Impreza 2019-23MY Crosstrek and Crosstrek Hybrid 2019-23MY Forester 2020-23MY Legacy and Outback |
| SUBJECT: | STARLINK Service Leads, DTC B2A15 and Insurance Company OBD Plug-In Devices |
INTRODUCTION:
This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations (premium discounts). Commonly referred to as discount tools, driver monitors or dongles, the use of these devices can interfere with normal STARLINK system operation. Use of these devices can cause:
- DTC B2A15 to set and be stored in memory
- Recurring STARLINK notifications to retailers and e-mails to customers
- A RED Telematics system Malfunction Indicator Lamp (MIL) to illuminate in the overhead console (change from green to red).
To address retailer concerns of these recurring MIL notifications, a change has been made to the retailer notification process which will now trigger these messages once every 10 days instead of every 3 days. No changes have been made to vehicle hardware and no part replacement is necessary. This change will reduce the number of repeat TM2_TELEMATICS Starlink Malfunction Light service leads appearing on the ILM STARLINK Dashboard as shown in the screen shot image below.
IMPORTANT NOTES:
- The change has no effect on the 2nd reminder notification for this condition (TM2_ TELEMATICS2) or any other STARLINK lead notification type (e.g. CHECK ENGINE).
- If the MIL is triggered multiple times during the 10-day period, retailers will not receive multiple notifications until 10 days have passed.
- Customer (e-mail) notifications will remain at 3 days (no change).
- Not all STARLINK MIL warnings are caused by insurance company plug-in devices.
- Equipment like fleet trackers, vehicle health monitors and other aftermarket devices plugged into the OBDII connector may set DTCs and cause the red Telematics LED to illuminate.
SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
When receiving a TM2_TELEMATICS Starlink Malfunction Light lead, it is VERY IMPORTANT to contact the customer as soon as possible. Ask the customer if they are using one of these plug-in devices. If they are, explain their use of the device can cause this condition. STARLINK services are not affected by the diagnostic trouble code created due to OBDII plug-in device usage. If a plug-in device is not being used or if the red LED remains lit, schedule the customer in for a service appointment to diagnose the system and determine the cause of the lead / e-mail.
As an additional option, customers may try removing the OBDII plug-in device following engine shut-down and then reinstall it after at least 5 seconds have passed following engine start. This may prevent the B2A15 from being set. This will need to be repeated with each ignition cycle.
Additional Resources:
- To access the STARLINK Dashboard, go to: Subarunet > Service Operations & Technical > STARLINK-Service > Leads > STARLINK
- To access the STARLINK Service Lead Handling Playbook, Go to: Subarunet > Training > Lead Response Program > Subaru Lead Handling Playbook
- For Technical Service Information on DTC B2A15, see the May2019 Issue of TIPS and if needed, the applicable Service Manual diagnostics.
23 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| SUBARU | CROSSTREK | 2019-2023 |
| SUBARU | FORESTER | 2019-2023 |
| SUBARU | IMPREZA | 2019-2023 |
| SUBARU | LEGACY | 2020-2023 |
| SUBARU | OUTBACK | 2020-2023 |
1 Associated Document
Manufacturer Communications
NUMBER: 15-257-19R
DATE: 11/11/19
REVISED: 02/28/23
NHTSA ID Number: 10203864
Manufacturer Communication Number: 15-257-19R
Summary
This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
1 Associated Document
Manufacturer Communications
NUMBER: 15-257-19R
DATE: 11/11/19
REVISED: 11/02/21
MC-10203864-0001.pdf 1151.785KB
NHTSA ID Number: 10186426
Manufacturer Communication Number: 15-257-19R
Summary
This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
1 Associated Document
Manufacturer Communications
NUMBER: 15-257-19R
DATE: 11/11/19
REVISED: 01/14/21
MC-10186426-0001.pdf 1151.58KB
NHTSA ID Number: 10174513
Manufacturer Communication Number: 15-257-19R
Summary
This service information bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devises.
1 Associated Document
Manufacturer Communications
NUMBER: 15-257-19R
DATE: 11/11/19
REVISED: 04/10/20
MC-10174513-0001.pdf 1156.367KB
NHTSA ID Number: 10168623
Manufacturer Communication Number: 15-257-19
Summary
This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations (premium discounts). Commonly referred to as discount tools, driver monitors or dongles, the use of these devices can interfere with normal STARLINK system operation.
1 Associated Document
Manufacturer Communications
NUMBER: 15-257-19
DATE: 11/11/19
MC-10168623-0001.pdf 1152.251KB
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly
- Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car
- 【Diagnose Check Engine Light in Seconds – No Mechanic Needed】The FOXWELL NT301 OBD2 scanner instantly reads & clears engine fault codes (DTCs) with one click. Simply plug into the 16-pin DLC port, turn ignition on, and get accurate results within seconds—No prior car knowledge required. Save hundreds on dealership fees by knowing exactly what’s wrong before you visit a shop. The #1 choice car scanner for DIYers and car owners who want to take control of their vehicle’s health
- 【Clear & Reset CEL with Confidence】Unlike cheap code readers that just erase codes temporarily, NT301 works like all professional vehicle code readers: It clears the check engine light only after you’ve fixed the underlying issue. If the problem isn’t fully repaired, the fault code will reappear. So you’ll never get a false pass. Use the foxwell scanner to verify your repair work and drive with peace of mind
- 【Sm-og Check Helper – Know Your Pass/Fail Status Before the Test】With dedicated one-click I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for annual testing. Built-in speaker provides clear audio feedback. No guesswork—just confidence before you head to the test center. One less thing to worry about when inspection day comes
- 【Advanced OBDII Modes – O- 2 Sensor & EVAP Testing】NT301 go beyond basic code reading with enhanced OBD2 modes. Run an EVAP system check to assess fuel tank condition, and use the O- 2 sensor test to optimize air-fuel ratio, boosting fuel economy, cutting em- issions, and saving you money at the pump. The code reader for cars and trucks is like having a mini em-issions lab in your glove box
- 【Live Data Graphing – Spot Engine Issues in Real Time】View and log live sensor data in easy-to-read graphs with this OBD2 scanner diagnostic tool. Monitor ox- ygen sensors, fuel trims, coolant temperature, RPM, and more to spot suspicious values instantly. This obd scanner gives you professional-grade insight without the pro price tag—a feature you won’t find on basic $20 car code readers
- Understand Your Check Engine Light – The ANCEL AD410 OBD2 scanner helps everyday drivers quickly read and clear engine-related fault codes, view code definitions, and understand why the check engine light is on before visiting a repair shop. With 42,000+ built-in DTC lookups, this car code reader helps reduce guesswork and makes basic vehicle diagnostics easier for beginners and DIY users
- Full OBD2 Diagnostics Made Simple – More than a basic engine code reader, this OBD2 scanner diagnostic tool supports key OBDII functions including reading/clearing codes, live data, freeze frame, I/M readiness, O2 sensor test, EVAP test, vehicle information, and MIL status. It helps you check your car’s condition, verify repairs after the issue is fixed, and communicate with mechanics more confidently
- Live Date & Real-time Vehicle Insights – View real-time engine data such as RPM, coolant temperature, fuel trim, oxygen sensor readings, and other available OBD2 parameters directly on the screen. These live data readings help you better understand how your vehicle is running, spot abnormal patterns, and make more informed repair decisions instead of relying only on a warning light
- Smog Check Readiness At A Glance – Use the I/M readiness function before a smog check or emissions inspection to see whether your vehicle’s monitors are ready. This OBD2 code scanner helps you confirm if recent repairs have brought the system back to a ready state, reducing the chance of failed inspections, retests, wasted trips, and unnecessary inspection fees
- Works With Most OBD2 Vehicles – Compatible with most 1996 and newer U.S.-based OBD2 cars, SUVs, and light trucks, as well as many 2000 and newer EU/Asian OBD2 vehicles. Supports major OBDII protocols including CAN, ISO9141, KWP2000, J1850 VPW, and J1850 PWM. This automotive diagnostic scanner is designed for wide vehicle coverage; please check compatibility with your vehicle before purchase
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
- [Easy to Use—Work Out of the Box] + [FOXWELL 2026 New Version] FOXWELL NT604 Elite scan tool is the 2026 new version from FOXWELL, designed for car owners who want to figure out the cause of issues before fixing car problems by scanning common systems like ABS, SRS, engine, and transmission. The NT604 Elite obd2 scanner diagnostic tool comes with the latest software—no need to waste time downloading software first. Plug the scanner into the OBDII port with OBDII cable to start the diagnosis.
- [Affordable] + [Reliable Car Health Monitor] Will you be confused what happens when the warning light of ABS/SRS/transmission/check engine flashes? Instead of taking your cars to dealership, this FOXWELL scanner will help you do a thorough scanning and detection for your cars and pinpoint the root cause. Note：The device is a diagnostic tool, not a repair tool. To turn off a warning light, you must first physically repair the issue causing it. Only then can the scanner be used to clear the corresponding fault code.
- [5 in 1 Car Diagnostic Scanner] Compared with obd scanners (50-100), NT604 Elite code scanner not only includes their OBDII diagnosis but also serves as ABS/SRS scanner, transmission and check engine code reader. When it’s an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it. Note: doesn't support maintenance functions like reset or relearn. For the SRS system, NT604 Elite can read and clear common fault codes not caused by a crash, but crash/collision data cannot be cleared.
- [Fantastic AUTOVIN] + [No extra software fee] Through the AUTOVIN menu, this NT604 Elite car scanner allows you to get your V-IN and vehicle info rapidly, no need to take time to find your V-IN and input one by one. What's more, the NT604 Elite ABS SRS scanner supports 60+ car brands from worldwide (America/Asia/Europe). You don’t need to pay extra software fee. AUTOVIN may not work on some older vehicles or certain vehicle brands. If AUTOVIN fails, please input the vin code manually or go to the Diagnostic Menu to select your vehicle model.
- [Solid protective case KO plastic carrying bag] + [Lifetime update] Almost all same price-level car scanner diagnostic tool only offers plastic bag to hold the scanner.However, NT604 Elite automotive scanner is equipped with solid protective case, preventing your obd2 scanner from damage. Then you don’t need to pay extra money to buy a solid toolbox.
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Bulletin Number: 15-257-19R: 02/28/23 Page 1 of 2 Continued… NUMBER: 15-257-19R DATE: 11/11/19 REVISED: 02/28/23 APPLICABILITY: 2019-23MY Impreza 2019-23MY Crosstrek and Crosstrek Hybrid 2019-23MY Forester 2020-23MY Legacy and Outback SUBJECT: STARLINK Service Leads, DTC B2A15 and Insurance Company OBD Plug-In Devices CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. INTRODUCTION: This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations (premium discounts). Commonly referred to as discount tools, driver monitors or dongles, the use of these devices can interfere with normal STARLINK system operation. Use of these devices can cause: • DTC B2A15 to set and be stored in memory • Recurring STARLINK notifications to retailers and e-mails to customers • A RED Telematics system Malfunction Indicator Lamp (MIL) to illuminate in the overhead console (change from green to red). To address retailer concerns of these recurring MIL notifications, a change has been made to the retailer notification process which will now trigger these messages once every 10 days instead of every 3 days. No changes have been made to vehicle hardware and no part replacement is necessary. This change will reduce the number of repeat TM2_TELEMATICS Starlink Malfunction Light service leads appearing on the ILM STARLINK Dashboard as shown in the screen shot image below. SERVICE INFORMATION BULLETIN ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2019 Subaru of America, Inc. All rights reserved. Bulletin Number: 15-257-19R: 02/28/23 Page 2 of 2 IMPORTANT NOTES: • The change has no effect on the 2nd reminder notification for this condition (TM2_ TELEMATICS2) or any other STARLINK lead notification type (e.g. CHECK ENGINE). • If the MIL is triggered multiple times during the 10-day period, retailers will not receive multiple notifications until 10 days have passed. • Customer (e-mail) notifications will remain at 3 days (no change). • Not all STARLINK MIL warnings are caused by insurance company plug-in devices. • Equipment like fleet trackers, vehicle health monitors and other aftermarket devices plugged into the OBDII connector may set DTCs and cause the red Telematics LED to illuminate. SERVICE PROCEDURE / INFORMATION: REMINDER: Customer satisfaction and retention starts with performing quality repairs. When receiving a TM2_TELEMATICS Starlink Malfunction Light lead, it is VERY IMPORTANT to contact the customer as soon as possible. Ask the customer if they are using one of these plug-in devices. If they are, explain their use of the device can cause this condition. STARLINK services are not affected by the diagnostic trouble code created due to OBDII plug-in device usage. If a plug-in device is not being used or if the red LED remains lit, schedule the customer in for a service appointment to diagnose the system and determine the cause of the lead / e-mail. As an additional option, customers may try removing the OBDII plug-in device following engine shut-down and then reinstall it after at least 5 seconds have passed following engine start. This may prevent the B2A15 from being set. This will need to be repeated with each ignition cycle. Additional Resources: • To access the STARLINK Dashboard, go to: Subarunet > Service Operations & Technical > STARLINK-Service > Leads > STARLINK • To access the STARLINK Service Lead Handling Playbook, Go to: Subarunet > Training > Lead Response Program > Subaru Lead Handling Playbook • For Technical Service Information on DTC B2A15, see the May 2019 issue of TIPS and if needed, the applicable Service Manual diagnostics. IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs.
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