NHTSA ID Number: 10173027
Manufacturer Communication Number: 18-198-20
Summary
The purpose of this bulletin is to provide a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
40 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
|---|---|---|
SUBARU | ASCENT | 2019-2020 |
| SUBARU | BRZ | 2013-2020 |
| SUBARU | FORESTER | 2013-2020 |
| SUBARU | LEGACY | 2007-2011, 2015-2020 |
| SUBARU | OUTBACK | 2007-2011, 2015-2020 |
NUMBER: 18-198-20
DATE: 03/03/20
| APPLICABILITY: | 2019-2020 Ascent 2013-2020 BRZ 2013-2020 Forester 2007-2011 & 2015-2020 Legacy Outback |
| SUBJECT: | Service Manual Corrections |
INTRODUCTION
The purpose of this bulletin is to provide a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to always refer to the STIS web site when looking for the latest Service information. Printed pages will not be made available to update printed Service Manuals.
Paper manuals may have different page numbering then what is reflected below, based on multiple new and revised pages. Please refer to the information contained on the STIS web site for all future, update service manual information.
| YEAR | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
| 2020 | Ascent | Diagnostics | Eyesight | Diagnostics with Phenomenon | The description for step 2 of phenomenon #6 has been changed |
| Infotainment | DTC List | B224C added to DTC list | |||
| Infotainment | Diagnostic Procedure with DTC | Diagnostic procedure for DTC B224C has been added | |||
| General Description | Repair Contents | Note | A description in #7 has been deleted | ||
| 2019 | Ascent | Diagnostics | Eyesight | Diagnostics with Phenomenon | Description change for step 2 of phenomenon #6 |
| Infotainment | DTC List | B224C added to DTC list | |||
| Infotainment | Diagnostic Procedure with DTC | Diagnostic procedure for DTC B224C has been added | |||
| General Description | Repair Contents | Note | A description in #7 has been deleted | ||
| Body & Electrical/Wiring System | Security and Locks | Door Lock Control System | Inspection item #2 has been added to the repair order. |
| YEAR | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
| 2019 | Ascent (cont.) | Brakes | Brake | Stop Light Switch | Inspection item #2 has been changed |
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed and the identification marker locations were added | ||
| Engine | Intake | General Description | The intercooler illustration has been changed and “T2” hyperlink has been added | ||
| Exhaust | General Description | Illustration #1 has been changed | |||
| Front Exhaust Pipe | Some removal illustrations have been changed along with the turbocharger stay instructions. | ||||
| Center Exhaust Pipe | The turbo charger stay removal illustration has been changed | ||||
| Some installation illustrations have been changed along with the turbocharger stay instructions. | |||||
| 2020 | BRZ | Engine Control | EFI System | DTC P0458 & P0459 | The short circuit check description has been changed. |
| 2019 | BRZ | Engine Control | EFI System | DTC P0458 & P0459 | The short circuit check description has been changed. |
| 2018 | BRZ | Engine Control | EFI System | DTC P0458 & P0459 | The short circuit check description has been changed. |
| 2017 | BRZ | Engine Control | EFI System | DTC P0458 & P0459 | The short circuit check description has been changed. |
| 2016 | BRZ | Engine Control | EFI System | DTC P0458, P0459 & P1603 | Some illustrations and inspection item descriptions have been changed |
| 2015 | BRZ | Engine Control | EFI System | DTC P0458, P0459 & P1603 | Some illustrations and inspection item descriptions have been changed |
| 2014 | BRZ | Engine Control | EFI System | DTC P0458, P0459 & P1603 | Some illustrations and inspection item descriptions have been changed |
| 2013 | BRZ | Engine Control | EFI System | DTC P0458, P0459 & P1603 | Some illustrations and inspection item descriptions have been changed |
| 2020 | Forester | Diagnostics | Engine | Diagnostic Procedure with DTC | Some descriptions were changed and added for DTC P2682 |
| Suspension | Rear Suspension | General Description | Illustration #1 has been changed and a description has been added | ||
| Brakes | Brake | Air Bleeding | The tightening tourque specs have been changed. | ||
| Diagnostics | Power Seat Memory | Active Test | An active test item description has been changed | ||
| Eyesight | Diagnostics with Phenomenon | The description for step 2 of phenomenon #6 has been changed | |||
| General Description | Repair Contents | Note | A description in #7 has been deleted | ||
| 2019 | Forester | Diagnostics | Engine | Diagnostic Procedure with DTC | Some descriptions were changed and added for DTC P2682 |
| Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC P1261 | ||||
| Power Seat Memory | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC B2642 | |||
| Eyesight | Diagnostics with Phenomenon | The description for step 2 of phenomenon #6 has been changed |
| YEAR | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
| 2019 | Forester (cont.) | Body & Electrical/Wiring System | Exterior/Interior Trim | Console Box | Assembly instructions were changed |
| Eyesight | Stereo Camera | Some cautions and working procedures have been changed, added and deleted | |||
| Security and Locks | Door Lock Control System | Some changes and additions have been made to the symptom chart and diag steps | |||
| Seats | General Description | Descriptions have been changed and added and a procedure has been added for front seat removal, installation, inspection, and adjustment | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed and the identification marker locations were added | ||
| General Description | Rear suspension specifications were changed and the flange bolt description was added | ||||
| Front Suspension | General Description | Rear alignment inspection value was changed and the flange bolt description was added | |||
| Transmission | Continuously Variable Transmission | Transmission Mounting System | The removal and installtion procedures for the rear crossmember have been changed | ||
| Brakes | Brake | Air Bleeding | The tightening tourque specs have been changed. | ||
| General Description | Repair Contents | Note | A description in #7 has been deleted | ||
| Diagnostics | Power Seat Memory | Active Test | An active test item description has been changed | ||
| 2018 | Forester | Diagnostics | Brake Control | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC C1532 |
| Occupant Detection | Diagnostic Procedure with DTC | Some changes were made and a step was added to the trouble tree for DTC B1650 | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| 2017 | Forester | Diagnostics | Brake Control | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC C1532 |
| Occupant Detection | Diagnostic Procedure with DTC | Some changes were made and a step was added to the trouble tree for DTC B1650 | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| 2016 | Forester | Diagnostics | Vehicle Dynamics Control | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC C1532 |
| Occupant Detection | Diagnostic Procedure with DTC | Some changes were made and a step was added to the trouble tree for DTC B1650 | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added |
| YEAR | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
| 2015 | Forester | Diagnostics | Vehicle Dynamics Control | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC C1532 |
| Occupant Detection | Diagnostic Procedure with DTC | Some changes were made and a step was added to the trouble tree for DTC B1650 | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly and assembly procedures have been changed | ||
| 2014 | Forester | Diagnostics | Vehicle Dynamics Control | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC C1532 |
| Occupant Detection | Diagnostic Procedure with DTC | Some changes were made and a step was added to the trouble tree for DTC B1650 | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly and assembly procedures have been changed | ||
| 2013 | Forester | Suspension | Rear Suspension | Rear Shock Absorber | The disassembly and assembly procedures have been changed |
| 2020 | Legacy Outback | Diagnostics | Engine | Diagnostic Procedure with DTC | Some descriptions were changed and added for DTC P2682 |
| Cockpit Control | Service Diagnostics Mode | The procedure to switch to service diagnostics mode has been changed | |||
| Central Gateway | Control Module I/O Signal | The I/O illustration has been changed | |||
| Eyesight | Diagnostics with Phenomenon | The description for step 2 of phenomenon #6 has been changed | |||
| Transmission | Continuously Variable Transmission | Transmission Mounting System | The removal and installtion procedures for the rear crossmember have been changed | ||
| General Description | Pre-Delivery Inspection | PDI Procedure | Some changes and adtions were made to the RAB inspection | ||
| Repair Contents | Note | A description in #7 has been deleted | |||
| Brakes | Brake | Air Bleeding | The tightening tourque specs have been changed. | ||
| 2019 | Legacy Outback | Diagnostics | Infotainment | DTC List | B224C added to DTC list |
| Diagnostic Procedure with DTC | Diagnostic procedure for DTC B224C has been added | ||||
| Body & Electrical/Wiring System | Security and Locks | Door Lock Control System | Inspection item #2 has been added to the repair order. | ||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| Brakes | Brake | Stop Light Switch | Inspection item #2 has been changed | ||
| Body & Electrical/Wiring System | Exterior/Interior Trim | Trunk Lid Garnish | An installation caution has been added |
| YEAR | MODEL | SECTION | SUB-SECTION | PAGE or CHAPTER | DESCRIPTION OF CHANGE |
| 2018 | Legacy Outback | Diagnostics | Infotainment | DTC List | B224C added to DTC list |
| Diagnostic Procedure with DTC | Diagnostic procedure for DTC B224C has been added | ||||
| Body & Electrical/Wiring System | Security and Locks | Door Lock Control System | Inspection item #2 has been added to the repair order. | ||
| Exterior/Interior Trim | Trunk Lid Garnish | An installation caution has been added | |||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| Brakes | Brake | Stop Light Switch | Inspection item #2 has been changed | ||
| 2017 | Legacy Outback | Brakes | Brake | Stop Light Switch | Inspection item #2 has been changed |
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| Body & Electrical/Wiring System | Exterior/Interior Trim | Trunk Lid Garnish | An installation caution has been added | ||
| 2016 | Legacy Outback | Brakes | Brake | Air Bleeding | The tightening tourque specs have been changed. |
| Brake | Stop Light Switch | Inspection item #2 has been changed | |||
| Body & Electrical/Wiring System | Exterior/Interior Trim | Trunk Lid Garnish | An installation caution has been added | ||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly illustrations have been changed a step has been deleted and the identification marker locations were added | ||
| 2015 | Legacy Outback | Brakes | Brake | Stop Light Switch | Inspection item #2 has been changed |
| Body & Electrical/Wiring System | Exterior/Interior Trim | Trunk Lid Garnish | An installation caution has been added | ||
| Suspension | Rear Suspension | Rear Shock Absorber | The disassembly and assembly procedures have been changed | ||
| 2011 | Legacy Outback | Heater & Airconditioner | HVAC System | Mode Door Actuator | Removal procedures have been added |
| Diagnostics | HVAC System | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC B1622 | ||
| 2010 | Legacy Outback | Heater & Airconditioner | HVAC System | Mode Door Actuator | Removal procedures have been added |
| Diagnostics | HVAC System | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC B1622 | ||
| 2009 | Legacy Outback | Diagnostics | Engine H4DOTC | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC P2444 |
| 2008 | Legacy Outback | Diagnostics | Engine H4DOTC | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC P2444 |
| 2007 | Legacy Outback | Diagnostics | Engine H4DOTC | Diagnostic Procedure with DTC | A change has been made to the trouble tree for DTC P2444 |
NUMBER: 18-198-20
DATE: 03/03/20
SaleBestseller No. 1
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)
- 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.
Bestseller No. 2
ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow
- 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 DATA & 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
SaleBestseller No. 3
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
- 【Read Fault Codes】About the read code function needs to be in the ignition on state and if the check engine light is on. If the vehicle is compatible with this obd2 scanner, please select correct menu & ensure no hardware/wiring issues/obd2 interface damage for accurate results. As a basic code reader, the correct menu: Select OBDII-> Wait for seconds-> Select Read codes
- 【Vehicle CEL Doctor】The NT301 enables you to read DTCs, access to e-missions readiness status, turn off CEL(check engine light) or MIL, reset monitor, read live data and retrieve VIN of your vehicle. It works reliably as a check engine code reader—the fault code will appear again even though you cleared before, if you don't repair the car completely. The fault code only can be cleared by NT301 after car repair finished, as like all the obd scanner's working principle
- 【Live Data Graphing & Accuracy for Most OBD2 Vehicles】 View and log live sensor data in graph form—monitor oxygen sensors, fuel trims, coolant temp, RPM, and more. Spot trends and suspicious values in real time. This car scanner is a perfect scanner for car maintenance, compatible with most 1996+ gasoline cars, light trucks, and SUVs sold in the U.S., as well as many 2000+ European and Asian models. Also works on 12V diesel vehicles equipped with OBD2
- 【Advanced OBDII Modes】 This obd2 scanner diagnostic tool provides enhanced obd2 modes capabilities: O-2 sensors test and EVAP system leak monitor. It allows you to run a leak check on your car’s EVAP system and assess the fuel tank’s condition. The O-2 sensor test helps optimize the air-fuel ratio, boosting fuel economy and cutting em-issions. Saving you money on gas and reducing your vehicle’s environmental footprint
- 【OBDII Protocols & Compatibility】The NT301 supports OBDII protocols like KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. As a versatile code reader for cars and trucks—one of the most practical code readers & scan tools in its class—the device is compatible with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs. Kindly check the vehicle compatibility before the purchase since the function comatibility and car compatibility vary from different car models, year and vin
SaleBestseller No. 4
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
- 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.
SaleBestseller No. 5
BlueDriver OBD2 Scanner Bluetooth, No Subscription, ABS SRS TPMS
- [Diagnose Like a Pro] BlueDriver Pro is a professional OBD2 scanner and diagnostic tool that helps you scan, understand, and clear vehicle trouble codes with confidence. Turn your phone into a powerful car diagnostic scanner—no guesswork, no unnecessary repairs.
- [Read and Clear More Codes Than Ever] Read and clear more codes than basic car code readers. Access enhanced diagnostics for Check Engine, ABS, SRS, Airbag, TPMS, Transmission.
- [Verified Fixes and Real-Time Data] Get unlimited, technician-verified repair reports matched to your VIN, with definitions, causes, and confirmed fixes. Monitor live vehicle data as you drive, view freeze frames, check smog readiness, and analyze Mode 6 test results.
- [Wireless & Bluetooth Enabled] - Say goodbye to wires. BlueDriver connects with Bluetooth via your phone/tablet to a sensor that plugs into your car's OBDII port. Get all of the capabilities of an expensive code reader & scan tool without any annoying wires.
- [Broad Make & Model Coverage] Strong support for GM, Ford, Stellantis (RAM, Jeep, Chrysler), Toyota, Honda, Nissan, Mazda, Subaru, Hyundai, Mercedes-Benz, BMW, and VW.
This product presentation was made with AAWP plugin.