NHTSA ID Number: 10172394
Manufacturer Communication Number: LI4810E
TSB/Document Date: 2020-03-09
Summary
Obsolete AIC3 module needs to be replaced by the newer AIC4 module
position
Main power light
turned OFF
Figure 2 - View of Battery Disconnect Switch
PAGE 3 OF 8
NQF772001 VERSION 3
INFORMATION LETTER
LI4810E
CAUTION
Before removing, dismantling or maintaining any electrical component the electrician should take the
necessary precautions to avoid any risk of personal injury or damage to the equipment.
ACCESSING THE +RF2 PANEL
1.5.
Unlock the driver's overhead panel door latches and lower the panel access door (see figure 3).
Access Door Panel
Figure 3 - Typical View of +RF2 Panel
REMOVING THE AIC3 MODULE
1.6.
Locate the AIC3 module (see figure 4).
1.7.
Disconnect the display connector and the green JAE type connectors.
1.8.
Depending on the vehicle configuration, aslo disconnect the RJ-45 type connector and the Mitsumi USB
type connector.
1.9.
Remove and retain the four screws holding the AIC3 module to the +RF2 panel.
1.10.
Remove the module from the panel.
PAGE 4 OF 8
NQF772001 VERSION 3
INFORMATION LETTER
LI4810E
AIC3 Module
Figure 4 - AIC3 Module Located on the Right Panel Section
INSTALLATION OF AIC4 MODULE
1.11.
Using the previously retained screws, install the AIC4 module PN N76971 at the location where AIC3 was
removed.
1.12.
Reconnect the green connectors to the AIC4 module (reconnect the RJ-45 connector if present).
1.13.
Connect the display adapter cable PN 21816238 between the AIC4 module VGA connection and the display
cable previously disconnected (see figure 5 & 6).
Figure 5 - Display Adapter Cable
PAGE 5 OF 8
NQF772001 VERSION 3
INFORMATION LETTER
LI4810E
USB Connection
VGA
USB Connection
Figure 6 - Rear View of AIC4 Module
NOTE
If a Mitsumi (USB) connector type has been disconnected from AIC3 module then continue with Level 2
procedure using USB adapter cable PN 21875266.
PROGRAMMING THE AIC4 MODULE
1.14.
Program the AIC system using the program and revision shown in the table entitled " AIC programs List" or
the one recommended by your customer support manager. See Section 16: Advanced Information Centre
from your maintenance manual for the programming procedure under the heading "Reprogramming".
PAGE 6 OF 8
NQF772001 VERSION 3
INFORMATION LETTER
LI4810E
AIC program List
CLIENT
ORDER
ROAD NUMBER
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
PROGRAMS
Central Oklahoma Transportation
Authority
L619
—
—
L82X7C3000367
L82X7C3000367
1
AIC4FW_USA_S_I
BC Transit - BCT - British Columbia
L604
9434
9434
L82U5C3000597
L82U5C3000597
1
AIC4FW_BCT_S_I
Minnesota Valley Transit Authority MVTA
L706
4252
4258
L82U4C4500127
L82UXC4500133
7
AIC4FW_USA_S_I
Ames Transportation Agency - Iowa
L707
660
661
S92U5C4500159
S92U1C4500160
2
AIC4FW_USA_S_I
Austin - CMTA - Texas
L635
5001
5001
S92U7C4500163
S92U7C4500163
1
AIC4FW_AUS_S_I
BC Transit - BCT - British Columbia
L735
9435
9440
L82U4C3000848
L82U8C3000853
6
AIC4FW_BCT_S_I
BC Transit - BCT - British Columbia
L736
9441
9446
L82U8D3000854
L82U7D3000859
6
AIC4FW_BCT_S_I
Sudbury - Ontario
L740
831
833
L82U1D3000887
L82U5D3000889
3
AIC4FW_SUD_D_I
Austin - CMTA - Texas
L636
5002
5022
S92U1D4500306
S92U0D4500328
21
AIC4FW_AUS_S_I
University of Alabama - Alabama
L727
7026
7027
L82U4D4500310
L82U6D4500311
2
AIC4FW_ALA_S_I
LYNX - Florida
L725
—
—
S92Y9D4500329
S92Y5D4500330
2
AIC4FW_USA_S_I
LYNX - Florida
L764
—
—
S92Y7D4500331
S92Y9D4500332
2
AIC4FW_USA_S_I
Austin - CMTA - Texas
L704
5051
5068
L82J7E4500471
L82J2E4500488
18
AIC4FW_AUS_S_I
LYNX - Florida
L785
—
—
S92L6E4500505
S92L8E4500506
2
AIC4FW_USA_S_I
University of Alabama - Alabama
L787
7028
7029
L82J2E4500507
L82J4E4500508
2
AIC4FW_ALA_S_I
MTD - Santa Barbara, California
L730
—
—
S92J8E4500567
S92J1E4500569
3
AIC4FW_USA_S_I
NOTE
* Please contact your customer support manager to get the program or an up-to-date revision of it.
1.15.
Using cable ties PN G5007996, secure the display adapter cable and make sure there is no interference
and rubbing when closing the panel.
CLOSING THE +RF0 PANEL
1.16.
Raise the panel door.
1.17.
Lock the overhead panel door latches.
1.18.
Place the master control switch in ON position.
1.19.
Set the battery disconnect switch in the battery compartment to the ON position.
1.20.
The vehicle may be returned to service.
PAGE 7 OF 8
NQF772001 VERSION 3
INFORMATION LETTER
LI4810E
LEVEL 2
NOTE
This level is applicable if a USB cable with a Mitsumi type connector must be connected to the new AIC4
module.
2.1.
Connect the USB adapter cable PN 21875266 between the AIC4 module USB connection and the Mitsumi
type connector previously removed (see figure 6 & 7).
Figure 7 - USB Adapter Cable
2.2.
Go to " PROGRAMMING THE AIC4 MODULE" Section.
PAGE 8 OF 8
NQF772001 VERSION 3
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 📌【We are Here for You】Dear valued customer, please be...
- 🚀【5X Faster Next-Level Hardware, Same as MK900/ MX...
- 🔥【3000+ Active Tests = MK900/MK900BT but...
- 📢【2026 U.S. Version, All-in-One as MK808S/ MK808Z...
- 🔥【28+ Hot Services for 150+ Brands】Same as MaxiCOM...
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: LI4810E
Replacement Service Bulletin Number:
MFR Communication Date: 2020-02-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
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
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.