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NHTSA ID Number: 10191664
Manufacturer Communication Number: 05-85-21R
Summary
This bulletin announces a design change made to the TPMS valve assemblies.
NUMBER: 05-85-21R
DATE: 04/27/21
REVISED: 04/27/21
INTRODUCTION:
This Service Information Bulletin announces a design change made to the Tire Pressure Monitoring System (TPMS) valve assemblies as listed below. The new parts have been developed with enhanced resistance to moisture. Moisture penetration may damage the sensor and cause the TPMS warning light to illuminate.
PRODUCTION CHANGE INFORMATION:
The new TPMS valve assemblies were incorporated into production per the table below. This TSB will be revised with the additional starting VINs as they become available.
| Model | Starting VIN |
| Legacy | TBD |
| Outback | TBD |
| Impreza | TBD |
| Forester | MH474541 |
| Crosstrek | MH300482 |
| Ascent | TBD |
PART INFORMATION:
NOTE: These new TPMS sensors are serviced separately and DO NOT need to be replaced as a set.
The new TPMS valve assembly part numbers are as follows:
- 28103FL010 for SBR (Japan) -production vehicles
- 28103FL00C for SIA (USA) -production vehicles.
REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired.
SERVICE PROCEDURE / INFORMATION:
REMINDERS:
- Customer satisfaction and retention starts with performing quality repairs.
- Replace ONLY the failed TPMS sensor as they DO NOT need to be replaced as a set.
The service procedures for TPMS Valve Stem replacement and registration remain unchanged.
Always refer to STIS and review the full requirements of the repair being performed. The Service Manual procedures contain information critical to performing an effective repair the first time, every time. This includes but is not limited to important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair.
29 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
SUBARU | ASCENT | 2019-2021 |
| SUBARU | CROSSTREK | 2018-2021 |
| SUBARU | FORESTER | 2019-2021 |
| SUBARU | IMPREZA | 2017-2021 |
| SUBARU | LEGACY | 2015-2021 |
| SUBARU | OUTBACK | 2015-2021 |
1 Associated Document
Manufacturer Communications
NUMBER: 05-85-21R
DATE: 04/27/21
REVISED: 04/27/21
MC-10191664-0001.pdf 1003.931KB
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- 🚗2023 UPDATED FOR WIDER COMPATIBILITY: Specifically designed to work with most GM vehicles 2006-2023 (Chevy / Buick / GMC / Opel /Cadillac and more) equipped with 315/433 MHz. Your vehicle deserves the best tire pressure sensor reset tool.(It is not suitable for heavy trucks with more than 4 tires or vehicles with an external TPMS system.)
- 🚗SAVE TIME, SAVE MONEY: Tire pressure monitor sensor activation tool is quick, simple, and efficient. With a press of a button, activate your TPM sensors within 1-2 minutes, saving you trips to the dealer or a tire store.
- 🚗ESSENTIAL, EASY TO USE TOOL: This tire pressure reset tool is essential for replacing tire pressure sensors, removing tire pressure alarms or changing tires. Simply ensure your vehicle is in TPMS Learn Mode, hold the tool against the tire sidewall near the valve stem, and depress the Learn button!
- 🚗SUPERIOR QUALITY, SUPERIOR PERFORMANCE: Featuring a sensitive sensor chip for faster operation and an immersion gold process circuit board for stability. Our GM TPMS relearn tool is built for precision, accuracy, and durability.
- 🚗MAXIMIZE SAFETY WITH TPMS RELEARN TOOL: Ensure optimal tire pressure with our TPMS Reset tool. Enhance safety and gain control on every journey, taking away the worries of tire underinflation!
- Warm tips: For sensor programming, T2000 Pro TPMS programming tool only support FOXWELL T10 sensor and our packaging does not contain FOXWELL T10 sensor. And this tire sensor programmer tool can activate and relearn all original sensors and T10 sensors, but there will be some cases where the sensor of some third-party brands is not supported(eg: it can't work on schrader sensor), because there will be some design differences between different brands. About the way sensors relearn: If you're not sure what learning style the sensor supports, you can refer the "TPMS Coverage List"on foxwelltech website to check the sensor learn type.
- 【Solve all TPMS sensor problems】Change tires? Damaged sensors or depleted batteries? Unable to monitor the sensor? TPMS warning light stays on for a long time? Tire pressure monitoring system malfunction? If these problems are found to be related to the sensor after detection. At this point, you need to replace the sensor with a new one and then use a T2000 Pro TPMS reset tool to match the correct sensor in order to ensure that the TPMS system is working properly.
- 【Trigger All Sensors(315/433MHz)】T2000 Pro tire pressure relearn tool can capture the sensor's data quickly and accurately, including sensor ID, pressure, temperature, battery, frequency, sensor position, etc. It ensures that the tyre pressure monitoring system can work properly and provide tyre pressure information in time, thus ensuring driving safety.
- 【4 Ways for Sensor Relearn】After a tire change or repair, the "tire pressure learning" needs to be re-performed to ensure that TPMS system can correctly recognize the tire pressure data for each tire. T2000 Pro TPMS relearn tool support 4 ways of sensor relearn: OBD Relearn, Stationary Relearn, Copy Relearn(only FOXWELL T10 sensor). (Auto Relearn: Some vehicles automatically complete the relearning process after a period of driving).
- 【TPMS Diagnostic Expert】This T2000 Pro TPMS sensor programmer provides a complete TPMS service solution: read/clear DTCs, reset TPMS warning light, ECU infor, live data, check pressure, scan TPMS sensor ID, check sensor position, frequency, temperature and battery health, comprehensive TPMS health check. Allows you to quickly locate TPMS related issues and ensure the tire health. There is a Latest Test feature that stores any vehicles that you have recently tested. It prevents you from having to conduct another vehicle search.
- 2025 UPDATED EL50448: EL50448 TPMS relearn tool is an essential tool of replacement tire pressure sensor, tire pressure alarm remove or exchange tires. The upgraded EL50448 is more energy-saving, it is faster, stronger and more sensitive than other TPMS Relearn Tool.
- WIDE VEHICLE COVERAGE: Works on most Vehicles (Chevy / Buick / Opel / Cadillac etc., from 2006-2022, Cars, SUV, Pickup) equipped with 315 or 433 MHz Tire Pressure Monitor system (TPMS) sensor.
- EASY TO USE: EL50448 can help you reset all tires much easier just with 3 steps. Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure. Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall.
- SAVE TIME&MONEY: Tire pressure monitor sensor activation tool is simple and fast ,activates the individual TPM sensor with the press of one button easily within 1-2 Mins.Save your almost 20-80$,.Much better than going to the dealer or a tire store just to get your pressure sensors reset.
- FRIENDLY TIPS: 1.When using EL50448, please make sure antenna in correct position. 2.Please make sure the 9v battery in good condition. 3.For Different vehicle EL50448 may need different times to reset all of your tire sensors after rotation.
- 【TPMS RESET TOOL ONLY FOR GM】VXSCAN TPMS Relearn Tool is a essential tool with tire pressure monitoring system, it can make tire pressure matching with vehicles when replacement tire pressure sensor, tire pressure alarm remove or exchange tires. Bring you safety and security
- 【ACTIVATE TPMS】When you inflate the tires of the vehicle, your tire pressure parameters will change and the vehicle will prompt that TPMS needs to be activated. At this time, you can use the VXSCAN TPMS tire relearn tool to activate and troubleshoot to ensure the normal operation of the vehicle
- 【EASY TO USE TPMS MONITOR SENSOR TOOL】You can finish activated independently within 3—5 minutes. Save your time and money, much better than going to a dealer or tire storage just to reset the pressure sensor
- 【SUITABLE SCOPE FOR VEHICLES】 Please check your car model whether it can work with VXSCAN tool in the fourth picture. We have listed a chat about the suitable scope for vehicles. TPMS tire pressure sensor on models in & after 2012 can be read, only with some specified diagnostic scan tools
- 【ONLY 3 STEPS】VXSCAN tpms reset tool can help you program all tires easier with 3 steps. Works on most general motors (For Chevy/Buick/GMC/Opel/Cadillac etc)equipped with 315/433 MHz
- TPMS RELEARN TOOL FOR GM: This tire pressure monitor system relearn tool is compatible with most General Motors equipped with 315 MHz or 433 MHz sensor, including Chevy, Buick, GMC, Opel, Cadillac, etc, from 2006-2024, Cars, SUV, Pickup, Not for Heavy Truck
- SAVE YOUR TIME AND MONEY: TPMS reset activation tool can help you reprogram all tires within 1-2 minutes. It is easy and fast to operate, simply press a button to reset the tire pressure monitoring sensor. Saving you money over paying dealer or tire shop
- EASY TO USE TIRE RESET TOOL: First, please set your car to tire learning mode, then hold the tool antenna against the sidewall of the tire near the valve stem(sensor), and press the button until the car beeps. If no beeps, please try multiple positions nearby
- ESSENTIAL TOOL FOR DRIVING: TPMS relearn tool is an essential tool of replacing tire sensor, clearing tire pressure alarm or changing tires. Please follow this order to reset: Front driver, Front passenger, Rear passenger and Rear driver, and the car will beep twice finally
- GOOD BATTERY CONDITION: Please use a 9v 6LR61 battery, not 6F22, as it may display low battery, please don't worry, this tool can still work in low battery state. A good condition will work more effectively. Battery not included
- Material: The shell is made of ABS plastic, OEC-T5 specifications, featuring a sensitive sensor chip, solid and durable.
- Compatible with GM TPMS Reset Tool: EL-50448 Compatible with all General Motors products. Please check the specifications of the reset tool before you buy to make sure it fits your vehicle. The tire pressure sensor relearns tool features clear LED indicators, making it simple for anyone to use.
- TPMS Sensor Activation Tool: This TPM relearn reset tool is easy to activate the individual TPM sensor, asily reset your tire pressure sensor. Enhance safety and gain control on every journey, taking away the worries of tire underinflation!
- Quick Reaction: Tire pressure monitor sensor activation tool is responsive and powerful performance, sensor quickly and accurately within 1-2 minutes. Save time and money on trips to the auto store.
- Easy to Use: Before use the tire pressure sensor tool, make sure your vehicle is in TPMS learning mode. Hold the tool against the sidewall of the tire, near the valve core, press the learn button.
- 【Standard Specifications】: OEC-T5 specifications, EL-50448 measures approximately 6.1 x 2.4 x 1.4 inches and is comfortable to hold. It uses a 9V battery and has an operating temperature of -20~80°C. With it, individuals can easily complete the relearning of the vehicle pressure sensor, which can greatly save time and money on trips to the auto store.
- 【Activation Reset Function】: This is a must-have learning tool for replacing tire pressure sensors, removing tire pressure alarms or replacing tires. With a powerful activation reset function, quickly and easily reset your tire pressure sensor to keep your vehicle's tire pressure monitoring system operating optimally.
- 【Vehicle Universal】: Our activation tool is universal for most cars on the market, such as sedan, SUV, pickup truck, etc., not for large trucks. Please check the specifications of the reset tool before you buy to make sure it fits your vehicle. (Different vehicles may take different amounts of time to reset all tire sensors after rotation.)
- 【Easy to Use】: Make sure your vehicle is in learning mode and follow the maintenance procedures. Place the tool firmly against the tire sidewall, near the valve stem. While holding the tool against the tire sidewall, press the learn button. (Note: Make sure the battery is in good condition and the antenna is in the correct position when using)
- 【Reliable Material】: The shell is made of ABS plastic, solid and durable, effective against dust and splashing water drops. Wear-resistant, easy to use for a long time and protect the internal electronic components. Responsive and powerful performance, can activate the tire pressure sensor quickly and accurately within 1-2 minutes.
- 【NEW UPGRADE 2023 VERSION】EL50448 TPMS relearning tool is a must-have tool for tire pressure sensor replacement, tire pressure alarm removal or tire replacement. The upgraded EL50448 is more efficient and escorts your safety.
- 【Easy to Use and Operate】Use EL50448 to help you reset all your tires more easily with just 3 simple steps. Make sure the vehicle is in TPMS learn mode and follow maintenance procedures. Hold the tool against the sidewall of the tire near the valve stem. Press the learn button while holding the tool against the tire sidewall.
- 【Compatible with Multiple Vehicles】Compatible with most General Motors (Buick/Cadillac/GMC/Opel/Kay Chevrolet, etc., from 2006 to 2022, Sedan, SUV, pickup).
- 【Save Time and Money】Our El-50448 has a powerful sensing function to quickly and accurately activate the tire pressure sensor within 1-2 minutes. With our activation reset tool, you don't have to go to the auto repair shop to fix it, saving you valuable time and money.
- 【Reminder】: 1. When using the TPMS relearning tool, please make sure the 9V battery you are using is in good condition 2. Please make sure the antenna is in the correct position. 3. Different vehicles may take different times to reset all tire sensors after a spin. 4. Sometimes the horn or flashing will give feedback when the tire activation is complete. 5.1-year warranty, worry-free after-sales.
- [Accurate Real-time Monitoring & Multi-Alert System]: Tymate TM7 TPMS can be used to monitor your tires’ pressure and temperature data within robust accuracy of ±1.5 PSI or ±3°F (The units can be displayed as ℃ or ℉ & BAR or PSI). Designed with six distinct alarm modes: high/low pressure, fast leakage, high temperature, sensor low battery, and sensor signal lost. This system is a reliable tool for maintaining tire health, and it is especially beneficial for DIY enthusiasts and pre-owned vehicle markets, where constant vigilance on tire conditions is paramount for safety and vehicle longevity
- [Easy Plug-in Power & Dual USB Charging]: Tymate TM7 effortlessly powers up by plugging directly into your vehicle's cigarette lighter socket, eliminating the need for complex wiring or professional installation. Ideal for older vehicles lacking factory-installed TPMS, providing a quick and efficient safety upgrade for drivers. Also, This innovative tire pressure monitor not only ensures your safety on the road but also features two USB outlets, allowing you to charge mobile devices like smartphones and tablets. A perfect solution for commercial vehicle operators and budget-conscious drivers seeking added functionality without sacrificing vehicle space or convenience
- [Color LCD with Adjustable Backlight]: This device provides clear, easy-to-read tire pressure and temperature data in any light condition, thanks to the vibrant color LCD screen with adjustable backlight. This feature caters to all drivers, particularly those who commute daily or embark on long trips, ensuring visibility and readability at all times
- [Wide Pressure Range Detection & Long Signal Transmission]: Tymate's TM7 accurately detects tire pressures from 0 to 87 PSI, offering versatility for a variety of vehicles such as sedan car, suv, mpv, pickup truck, rv, and travel trailer (The system automatically calibrates to the center tire pressure, using sensor installation pairing for accurate reference values). Operating at a frequency of 433.92MHz, this tire pressure monitoring system boasts a robust transmission range. It ensures consistent, reliable communication between sensors and the display unit. Note: We highly suggest to utilize this system with Tymate RP05 repeater for toeing longer trailer(total length≥36ft)
- [Easy to Use & Professional After-sale Service]: This Tymate TM7 TPMS is easy to setup in 5 minutes. The package box comes with comprehensive user’s manual and there are guide video available from the product page for you to follow steps by steps in the sensor pairing process. If you still have any questions about the product, please contact us for further assists
Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.
SEOCONTENT-START
Bulletin Number: 05-85-21; Date: 04/27/21 Page 1 of 2 SERVICE INFORMATION BULLETIN Continued… 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. NUMBER: 05-85-21R DATE: 04/27/21 REVISED: 04/27/21 APPLICABILITY: 2015-21MY Legacy and Outback 2017-21MY Impreza 2019-21MY Forester 2018-21MY Crosstrek 2019-21MY Ascent SUBJECT: TPMS Valve Stem Assembly- Design Change INTRODUCTION: This Service Information Bulletin announces a design change made to the Tire Pressure Monitoring System (TPMS) valve assemblies as listed below. The new parts have been developed with enhanced resistance to moisture. Moisture penetration may damage the sensor and cause the TPMS warning light to illuminate. PRODUCTION CHANGE INFORMATION: The new TPMS valve assemblies were incorporated into production per the table below. This TSB will be revised with the additional starting VINs as they become available. Model Starting VIN Legacy TBD Outback TBD Impreza TBD Forester MH474541 Crosstrek MH300482 Ascent TBD PART INFORMATION: NOTE: These new TPMS sensors are serviced separately and DO NOT need to be replaced as a set. The new TPMS valve assembly part numbers are as follows: • 28103FL010 for SBR (Japan) -production vehicles • 28103FL00C for SIA (USA) -production vehicles. REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired. 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. © 2021 Subaru of America, Inc. All rights reserved. Bulletin Number: 05-85-21; Date: 04/27/21 Page 2 of 2 SERVICE PROCEDURE / INFORMATION: REMINDERS: • Customer satisfaction and retention starts with performing quality repairs. • Replace ONLY the failed TPMS sensor as they DO NOT need to be replaced as a set. The service procedures for TPMS Valve Stem replacement and registration remain unchanged. Always refer to STIS and review the full requirements of the repair being performed. The Service Manual procedures contain information critical to performing an effective repair the first time, every time. This includes but is not limited to important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair. 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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SEOCONTENT-END
