Remote Engine Start Systems Troubleshooting Guide – Subaru “Key Start” Ignition

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NHTSA ID Number: 10208510

Manufacturer Communication Number: Remote Engine St

Summary

Remote engine start system troubleshooting guide.

 


GENUINE ACCESSORIES

Remote Engine Start Systems Troubleshooting Guide

Applicable to 2017MY+ Impreza,

2018MY+ Crosstrek,

2019MY+ Ascent,

2019MY+ Forester,

2020MY+ Legacy/Outback and 2022MY+ WRX

with “Key Start” Ignition

 

  • Test and diagnose any vehicle diagnostic trouble codes (DTC) prior to proceeding with any Remote Engine Start (RES) part replacements.
  • Ensure the vehicle has a fully-charged battery before proceeding, approximately 12.63 volts.
  • Ensure that all RES harness connectors are securely seated per the respective installation instructions.
  • Ensure the vehicle has a sufficient amount of fuel.
  • This guide references back to the respective system’s installation instructions, please have a copy of the installation instructions on hand during troubleshooting.

“This Troubleshooting Guide is intended for use by professional technicians ONLY. It is 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 in this guide, DO NOT assume that your vehicle will have that condition.

 


Table of Contents

Service Part Matrix and Graphic Detail – 1 7 -18MY Impreza/18MY Crosstrek – 3
Service Part Matrix and Graphic Detail – 19MY + Impreza/Crosstrek – 4
Service Part Matrix and Graphic Detail – 19MY + Ascent – 5
Service Part Matrix and Graphic Detail – 19MY + Forester – 6
Service Part Matrix and Graphic Detail – 20MY + Legacy /Outback – 7
Service Part Matrix and Graphic Detail – 22MY + WRX – 8
System Layout – 1 7 -18MY Impreza / 18MY Crosstrek – 9
System Layout – 19MY + Impreza / 19MY + Crosstrek – 11
System Layout – 19MY + Ascent, 19MY + Forester – 13
System Layout – 20MY + Legacy / 20MY + Outback – 15
System Layout – 22MY + WRX – 1 7
Remote Engine Start Control Module Registration Procedure – SSM IV (DST-i)
17MY+ Impreza, 18MY+ Crosstrek, 19MY+ Ascent and 19-21MY Forester – 19
Remote Engine Start Control Module Registration Procedure – SSM IV (DST-i)
20MY + Legacy/ Outback, 22MY + Forester, 22MY + WRX – 20
Remote Engine Start Bi-directional Transmitter Programming Procedure – 22
Remote Engine Start Run Time Selection – 22
Remote Engine Start Activation Horn Honk Diagnostics – 23
Remote Engine Start Diagnostic Mode – 24
Advanced Troubleshooting – 25
“The RES system will not run for the full default 15-minute run time” – 25
“The RES system will not operate when activated multiple times in a row” – 25
“The RES system shuts down when any vehicle door, trunk or rear gate is opened” – 26
“The vehicle starts by itself without pressing the RES transmitter button – 26
“The SSM IV (DST-i) screen displays “Registration Failure” when attempting to register
the RES control module to the vehicle” – 27
“CAN Diagnostic Trouble Codes ( “U codes” ) are triggered in the vehicle” – 28
“The vehicle’ s ignition turns ON when the RES system is activated,
but it does not crank the starter” – 29
“The RES system does not turn ON the vehicle ‘ s ignition circuits
after receiving the remote start command” – 30
“The vehicle starts when the RES system is activated,
but the heater / air conditioning does not turn ON” – 31
“The RES system does not respond when the RES transmitter button is pressed 2-times” – 32
“The RES system bi-directional feature does not function” – 33
“The vehicle’ s ignition turns ON and the horn honks two (2) times
when activating the RES system” – 34
Advanced Troubleshooting Video Links – 35

 


7 Affected Products

Vehicles

MAKE MODEL YEAR
SUBARU ASCENT 2019
SUBARU CROSSTREK 2018
SUBARU FORESTER 2019
SUBARU IMPREZA 2017
SUBARU LEGACY 2020
SUBARU OUTBACK 2020
SUBARU WRX 2022

 


1 Associated Document

Manufacturer Communications

TSG 900MHz KS
Rev. 02/1/22

https://www.nhtsa.gov/recalls?nhtsaId=10208510

MC-10208510-0001.pdf 5981.91KB

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Bestseller No. 1
Start-X Remote Starter Kit for Subaru Legacy and Outback 2010-2014 Key Start || Lock 3X to Remote Start || Plug N Play || 2010 2011 2012 2013 2014
  • ✅ START YOUR VEHICLE REMOTELY- Use the most complete Plug N Play Remote Starter KIT to warm up your vehicle in those freezing mornings. No more waiting 10 min to defog your windshield. 😊 Press lock 3 times on your existing remote, to remote start.
  • ✅ START-X T-HARNESS – This kit includes a unique Start-X T-harness that greatly simplifies the install. There is zero wire splicing or cutting involved, completely plugs into the factory connectors.
  • ✅ COMPATIBILITY – This kit is compatible only with a Subaru Legacy and Outback 2010-2014. 🔴🔴 Only compatible if you start your vehicle by turning a key. Will not work if it's a push to start. Will only work if the vehicle has an automatic transmission. 🔴🔴 2010 2011 2012 2013 2014
  • ✅ Computer Required – Pairing the remote starter to the vehicle requires the remote starter to be connected to a windows computer with a USB updater tool. The tool is included in the kit.
  • ✅ USA- This kit is brought to you by Start-X, the leading plug n play remote start company in North America. The remote Start module is proudly designed, engineered, and manufactured in North America. With tens of thousands of satisfied customers, you can't go wrong. Start-X technical support agents are located in the USA and provide support in English.
Bestseller No. 2
Start-X Remote Starter Kit for Subaru Forester 2019-2021, Legacy 2018-2019, & Outback 2018-2019 Push to Start || Press Lock 3X to Remote Start || Plug n Play
  • ✅ START YOUR VEHICLE REMOTELY- Use the most complete Plug N Play Remote Starter KIT to warm up your vehicle in those freezing mornings. No more waiting 10 min to defog your windshield. 😊 Press lock 3 times on your existing remote, to remote start. 🔴🔴 Forester 2022 - 2023, while the vehicle is remotely started the OEM remote. will not work to unlock. You will need to physically insert the key to unlock. For all other vehicle's the OEM remote will work to unlock.
  • ✅ START-X T-HARNESS – This kit includes a unique Start-X T-harness that greatly simplifies the install. There is zero wire splicing or cutting involved, completely plugs into the factory connectors. Watch the video to see how easy it is.
  • ✅ COMPATIBILITY – This kit is compatible only with a Subaru Forester 2019-2021, Legacy 2018-2019, and Outback 2018-2019 Push to Start. 🔴🔴 Will not work if your vehicle is Canadian. 🔴🔴 2018 2019 2020 2021 2022 2023. Not compatible with key start vehicles.
  • ✅ Computer Required – Pairing the remote starter to the vehicle requires the remote starter to be connected to a windows computer with a USB updater tool. The tool is included in the kit.
  • ✅ USA- This kit is brought to you by Start-X, the leading plug n play remote start company in North America. The remote Start module is proudly designed, engineered, and manufactured in North America. With tens of thousands of satisfied customers, you can't go wrong. Start-X technical support agents are located in the USA and provide support in English.
Bestseller No. 3
Start-X Remote Starter Kit for Subaru Ascent 2019-2022, Crosstrek 2018-2023, Forester 2019-2023, and Impreza 2017-2023 Key Start || Press Lock 3X to Remote Start || Plug n Play
  • ✅ START YOUR VEHICLE REMOTELY- Use the most complete Plug N Play Remote Starter KIT to warm up your vehicle in those freezing mornings. No more waiting 10 min to defog your windshield. 😊 Press lock 3 times on your existing remote, to remote start.
  • ✅ START-X T-HARNESS – This kit includes a unique Start-X T-harness that greatly simplifies the install. Most US vehicle's are 100% plug n play. Some require 1 wire interrupt. See video for details.
  • ✅ COMPATIBILITY – This kit is compatible only with a Subaru Ascent 2019-2022, Crosstrek 2018-2023, Forester 2019-2023, and Impreza 2017-2023 Key Start. 🔴🔴 Only compatible if you start your vehicle by turning a key. Will not work if it's a push to start. Will only work if the vehicle has an automatic transmission. 🔴🔴 2017 2018 2019 2020 2021 2022 2023
  • ✅ Computer Required – Pairing the remote starter to the vehicle requires the remote starter to be connected to a windows computer with a USB updater tool. The tool is included in the kit.
  • ✅ USA- This kit is brought to you by Start-X, the leading plug n play remote start company in North America. The remote Start module is proudly designed, engineered, and manufactured in North America. With tens of thousands of satisfied customers, you can't go wrong. Start-X technical support agents are located in the USA and provide support in English.
Bestseller No. 4
Subaru Genuine H001SAL002 Remote Engine Start
  • Fits 2015-2018 Subaru Legacy/Outback w/ Turn Key Start
  • Pre-heat or pre-cool the vehicle's interior without entering your vehicle
  • Fully integrated into the vehicle's existing factory security/keyless entry system
  • Part Number H001SAL002
Bestseller No. 5
Compustar CS4900-S (4900S) 2-way Remote Start and Keyless Entry System with 3000-ft Range
  • Compustar CS4900-S (4900S) 2-way Remote Start and Keyless Entry System with 3000-ft Range
  • 2 4-Button remotes with Lock, Unlock, Trunk Release, & Remote Start/Stop buttons
  • All-in-one remote start & keyless entry system
  • Automatic Transmission only - Diesel-Engine Safe
  • Professional Installation is highly recommended. Some vehicles may require extra parts which are sold separately and not included.
Bestseller No. 6
Compustar CS925S 4-Button 1 Way Remote Start System (up to 1500' Range)
  • (2) 1-way, 4-button remote transmitters
  • Up to 1500-ft range (new upgraded AP antenna)
  • New edgy remote design
  • CM900-S remote start control module
Bestseller No. 7
Subaru Remote Start 2020-2024 Legacy & Outback w/PUSH Start H001SAN001 OEM GENUINE
  • Remote engine start kit for 2020-2024 Legacy or 2020-202 Outback
  • H001SAN001
  • Allows vehicle to be started by pushing a button from the convenience of home or the office (up to 400 feet away depending on obstructions) so that the vehicle’s interior temperature is more comfortable upon entry.
  • Push Start works in conjunction with the Keyless Access and Start system. This Genuine Subaru Accessory is an alternative for customers who do not enroll in STARLINK Safety and Security Plus
  • Will need a Subaru SSM3 scan tool for completion, just swing by a Subaru dealer after install.
Bestseller No. 8
RemoteOverstock for Complete Remote (4 Buttons) Compatible with Subaru Key Fob 2017-2021 Ascent Crosstrek Forester Impreza Legacy Outback CVT STI WRX Smart Key (FCC ID: HYQ14AHK or 2AOKM-SB4)
Bestseller No. 9
Auto Start Stop Engine System Canceler Eliminator Device Cable Automatic A Off Delete/Disable/Cancel Start Stop Function Compatible with Subaru Forester 5th Gen 2019-ON
  • Works and compatible with Subaru Forester 5th Gen (SK) 2019 2020 2021 2022 2023, plug and play, no error code after install, won't effect any other function
  • Why should install this Eliminator device? Because "Auto start stop" will cause the air conditioner not run smoothly and it will accelerate the aging of the spark plug, frequent start and stop will seriously shortening the battery's service life
  • Function: after installation,restart your car,the A-OFF button will automatically turn on,you don't have to manually turn on the stop engine function every time,if you want the auto-off function work again,just press the A-OFF button to reactivate it
  • Installation: this cable is installed in-between the Auto Start Stop switch and the vehicle wiring harness to disable the auto start stop function, just remove the central control panel of A-OFF button and connect the two ends with this cable
  • Important note: does not work with the car without "A OFF" button which means the car doesn’t have the automatic start-stop system,and the video is only a reference for installation thinking (you could find the disassembly method on Google / YouTube)
Bestseller No. 10
Subaru 2019 2020 Crosstrek & Impreza Subaru Remote Engine Starter Key Start H001SFL401
  • Remote engine start kit for 2019 2020 CROSSTREK OR IMPREZA APPLICABLE TO KEY START MODELS ONLY
  • H001SFL401
  • Allows vehicle to be started by pushing a button from the convenience of home or the office (up to 400 feet away depending on obstructions) so that the vehicle’s interior temperature is more comfortable upon entry.
  • The start/stop button blinks to confirm the engine has been started. . Applicable to CVT models only.
  • GENUINE SUBARU

Last update on 2024-07-05 / Affiliate links / Images from Amazon Product Advertising API

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