NHTSA ID Number: 10172215
Manufacturer Communication Number: 20-01-008H
TSB/Document Date: 2020-03-07
Summary
This bulletin provides information related to the Engine Control Module (ECM) software update for 2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software update includes cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination with DTC P0300/P0301/P0302/P0303/P0304 (Cylinder âXâ â misfire detected).
GROUP
NUMBER
CAMPAIGN
Technical Service Bulletin
DATE
20-01-008H
MODEL(S)
February, 2020
ELANTRA (AD/ADA)
ECM SOFTWARE UPDATE – MISFIRE DTC LOGIC
(SERVICE CAMPAIGN T3W)
SUBJECT:
This TSB supersedes TSB 19-01-027H with revised ECM software update.
IMPORTANT
*****Dealer Stock and Retail Vehicles*****
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail
delivery and whenever an affected vehicle is in the shop for any maintenance or repair.
When a vehicle arrives at the Service Department, access Hyundai Motor America's "Warranty
Vehicle Information" screen via WEBDCS to identify open Campaigns.
Description:
This bulletin provides information related to the Engine Control Module (ECM) software update for
2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software update includes
cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination with DTC
P0300/P0301/P0302/P0303/P0304 (Cylinder “X” – misfire detected).
Applicable Vehicle: Certain 2018 - 2019MY Elantra (AD/ADA) equipped with 2.0L engine.
Warranty Information:
Model
Op. Code
Operation
Op. Time
Causal Part
Nature
Cause
Elantra (AD/ADA)
90C042R1
ECM UPGRADE
0.3 M/H
39190-2EAD1
I3T
ZZ3
NOTE 1: Submit Claim on Campaign Claim Entry Screen.
NOTE 2: If a part is found in need of replacement while performing Service Campaign T3W and
the affected part is still under warranty, submit a separate warranty claim using the same
Repair Order. If the affected part is out of warranty, submit a Prior Approval Request for
goodwill consideration prior to performing the work.
GDS Information:
System Selection: ENGINE CONTROL MODULE (ECM)
Event #
Description
583*
AD(A) 2.0MPI - MISFIRE DTC IMPROVEMENT (2nd)
(*or use a later available event as listed in the GDS-M ECU Update screen if one is available.)
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT:
ECM SOFTWARE UPDATE – MISFIRE DTC IMPROVEMENT
(SERVICE CAMPAIGN T3W)
Service Procedure:
1. Perform GDS Mobile software update per TSB 15-GI-001.
2. After successful completion of ECM software update, check for Diagnostic Trouble Codes in
ALL menus and erase any DTC.
3. Confirm normal vehicle operation.
NOTICE
You must initially perform GDS-M ECM Update in Auto Mode.
If the ECM Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
!
GDS Vehicle Battery Voltage Warning:
If voltage is below 12 volts as per the below GDS warning, then select Back and run the
engine at least 20 minutes to ensure an adequate battery state of charge for reliable update
results. Turn ignition back on, and then retry the ECU update again.
TSB #: 20-01-008H
Page 2 of 4
SUBJECT:
ECM SOFTWARE UPDATE – MISFIRE DTC IMPROVEMENT
(SERVICE CAMPAIGN T3W)
SUBJECT:
ECM ROM ID Information Table:
ROM ID
MODEL
TM
EMISSION
SULEV
SULEV
IMMO.
PCM P/No.
+IMMO
-IMMO
OLD
NEW
39171-2EFB2
39171-2EFD2
AD8SP2AS673A
AD8SP2AS673B
AD8SP2AS673C
AD8SP2AS673D
AD8SP2AF676A
AD8SP2AF676B
39173-2EFB2
39173-2EFD2
AD8SP2US673A
AD8SP2US673B
AD8SP2US673C
AD8SP2US673D
AD8SP2UF676A
AD8SP2UF676B
AD8UP2AS673A
AD8UP2AS673B
AD8UP2AS673C
AD8UP2AS673D
AD8UP2AF676A
AD8UP2AF676B
AD8UP2US673A
AD8UP2US673B
AD8UP2US673C
AD8UP2US673D
AD8UP2UF676A
AD8UP2UF676B
39175-2EFC2
AD8UP2CS673A
AD8UP2CS673B
AD8UP2CF676A
AD8UP2CF676B
39177-2EFC2
AD8UP2VS673A
AD8UP2VS673B
AD8UP2VF676A
AD8UP2VF676B
AD9SP2AS694A
AD9SP2AS695A
AD9SP2AS697A
AD9SP2AF698A
AD9SP2AF698B
AD9SP2US694A
AD9SP2US695A
AD9SP2UF698A
AD9UP2AS694A
AD9UP2AS695A
AD9UP2AS697A
AD9UP2AF698A
AD9UP2AF698B
AD9UP2US694A
AD9UP2US695A
AD9UP2UF698A
AD9UP2VS694A
AD9UP2VS695A
AD9UP2VF698A
6AT
18MY
Elantra
(AD/ADA)
2.0L
ULEV
ULEV
ULEV
+IMMO
-IMMO
+IMMO
39171-2EFC2
39171-2EFE2
39173-2EFC2
39173-2EFE2
6MT
ULEV
19MY
Elantra
(AD/ADA)
-IMMO
SULEV
+IMMO
SULEV
-IMMO
39171-2EFB5
39171-2EFD5
39173-2EFB5
39173-2EFD5
6AT
ULEV
+IMMO
ULEV
-IMMO
ULEV
-IMMO
2.0L
6MT
39171-2EFC5
39171-2EFE5
39173-2EFC5
39173-2EFE5
39177-2EFA5
NOTE: +IMMO = Start Stop Button, -IMMO = Key Start
TSB #: 20-01-008H
Page 3 of 4
SUBJECT:
SUBJECT:
ECM SOFTWARE UPDATE – MISFIRE DTC IMPROVEMENT
(SERVICE CAMPAIGN T3W)
Manual Mode Password Information Tables:
EVENT #
#583
MENU
PASSWORD
AD(A) 2.0MPI AT -IMMO 39173-2EFB2/D2
3222
AD(A) 2.0MPI AT -IMMO 39173-2EFC2/E2
3223
AD(A) 2.0MPI MT -IMMO 39177-2EFC2
7722
AD(A) 2.0MPI AT +IMMO 39171-2EFB2/D2
1222
AD(A) 2.0MPI AT +IMMO 39171-2EFC2/E2
1223
AD(A) 2.0MPI MT +IMMO 39175-2EFC2
7522
AD(A) 2.0MPI AT -IMMO 39173-2EFB5/D5
3255
AD(A) 2.0MPI AT -IMMO 39173-2EFC5/E5
3256
AD(A) 2.0MPI MT -IMMO 39177-2EFA5
7725
AD(A) 2.0MPI AT +IMMO 39171-2EFB5/D5
1255
AD(A) 2.0MPI AT +IMMO 39171-2EFC5/E5
1256
TSB #: 20-01-008H
Page 4 of 4
SUBJECT:
If the PDF is very large, it may not load in the preview below.
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
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: 20-01-008H
Replacement Service Bulletin Number:
MFR Communication Date: 2020-02-13
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:SOFTWARE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [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.
- 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: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, 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. FCA
AutoAuth: Now supports FCA
SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford, for Lincoln, and for Mazda ECU programming 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 - Cost-effective ECU Coding 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 BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. 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
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 🔥 Historical lowest pr-ice now on sa-le--hot se-lling.
- 【🎈𝗜𝗙𝟳𝟰𝟱 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝘀 𝟲 𝗲𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗿𝗲𝘀𝗲𝘁 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀—𝗔𝗕𝗦 𝗕𝗹𝗲𝗲𝗱𝗶𝗻𝗴, 𝗢𝗶𝗹 𝗥𝗲𝘀𝗲𝘁, 𝗘𝗣𝗕, 𝗦𝗔𝗦, 𝗧𝗵𝗿𝗼𝘁𝘁𝗹𝗲 𝗥𝗲𝗹𝗲𝗮𝗿𝗻, 𝗮𝗻𝗱 𝗕𝗠𝗦—𝗽𝘂𝘁𝘁𝗶𝗻𝗴 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹-𝗴𝗿𝗮𝗱𝗲 𝗺𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 𝗯𝗮𝗰𝗸 𝗶𝗻 𝘆𝗼𝘂𝗿 𝗵𝗮𝗻𝗱𝘀.】Spongy brakes? Stuck oil light? Parking brake won't release? Off-center steering? Rough idle after battery disconnect? Draining battery? IF745 handles all with a few taps. One tool covers six dealer-level resets, saving hundreds in labor costs. ❗ NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨ 𝗜𝗙𝟳𝟰𝟱 𝗴𝗼𝗲𝘀 𝗯𝗲𝘆𝗼𝗻𝗱 𝗯𝗮𝘀𝗶𝗰 𝗰𝗼𝗱𝗲 𝗿𝗲𝗮𝗱𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝟭𝟬 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀—𝗗𝗧𝗖 𝗟𝗼𝗼𝗸𝘂𝗽, 𝗜/𝗠 𝗥𝗲𝗮𝗱𝗶𝗻𝗲𝘀𝘀, 𝗙𝗿𝗲𝗲𝘇𝗲 𝗙𝗿𝗮𝗺𝗲, 𝗟𝗶𝘃𝗲 𝗗𝗮𝘁𝗮, 𝗢𝟮𝗦, 𝗢𝗕𝗠, 𝗘𝗩𝗔𝗣, 𝗮𝗻𝗱 𝗺𝗼𝗿𝗲. 】Pulling a code tells you something is wrong. IF745 tells you what the code means, when the fault happened, and what data surrounds it. Pass emissions with one I/M Readiness tap. Freeze the fault moment with Freeze Frame. Monitor live sensor data in real time. Turn cryptic codes into clear answers.
- 【🛒 𝗜𝗙𝟳𝟰𝟱 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝘀 𝗳𝘂𝗹𝗹-𝘀𝘆𝘀𝘁𝗲𝗺 𝗱𝗶𝗮𝗴𝗻𝗼𝘀𝘁𝗶𝗰𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝗮𝗹𝗹 𝗺𝗼𝗱𝘂𝗹𝗲𝘀—𝗲𝗻𝗴𝗶𝗻𝗲, 𝗔𝗕𝗦, 𝗮𝗶𝗿𝗯𝗮𝗴, 𝘁𝗿𝗮𝗻𝘀𝗺𝗶𝘀𝘀𝗶𝗼𝗻, 𝘀𝘁𝗲𝗲𝗿𝗶𝗻𝗴, 𝘀𝘂𝘀𝗽𝗲𝗻𝘀𝗶𝗼𝗻, 𝗯𝗼𝗱𝘆 𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗻𝗶𝗰𝘀, 𝗮𝗻𝗱 𝗺𝗼𝗿𝗲. 】Warning lights on but you don't know why? Skip the $100+ diagnostic fee at the shop. Run a complete self-check from your driveway. IF745 reads and clears fault codes, retrieves ECU info, and displays live data from every accessible module—delivering a full vehicle health report in minutes, without leaving home.
- 【✅𝗜𝗙𝟳𝟰𝟱 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗮 𝟳-𝗶𝗻𝗰𝗵 𝗱𝗶𝘀𝗽𝗹𝗮𝘆, 𝗲𝗿𝗴𝗼𝗻𝗼𝗺𝗶𝗰 𝗱𝗲𝘀𝗶𝗴𝗻, 𝗪𝗶-𝗙𝗶 𝘂𝗽𝗱𝗮𝘁𝗲𝘀, 𝗮𝗻𝗱 𝘇𝗲𝗿𝗼 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 𝗳𝗲𝗲𝘀 𝗳𝗼𝗿 𝗵𝗮𝘀𝘀𝗹𝗲-𝗳𝗿𝗲𝗲 𝗱𝗶𝗮𝗴𝗻𝗼𝘀𝘁𝗶𝗰𝘀.】Large screen means no squinting. Intuitive navigation and customizable data displays put key info at your fingertips. Wi-Fi delivers lifetime free updates without a computer. No recurring fees. No hidden costs. Just a reliable tool that works as hard as you do.
This product presentation was made with AAWP plugin.




