NHTSA ID Number: 10120545
Manufacturer Communication Number: ITB17-007
TSB/Document Date: 2017-10-25
Summary
CLIENT SATISFACTION INITIATIVE 2G TELEMATICS HARDWARE REPLACEMENT This bulletin applies to vehcile equipped with navigation systems only. SERVICE INFORMATION On February 26, 2016 Infiniti announced that it was sending a reminder notification to clients affected by AT&T?s planned discontinuation of the 2G cellular network. In June 2016, Infiniti communicated instructions to retailers to update new vehicles in their inventory with 3G compatible telematics control units. At this time, Infiniti is beginning the process of making 3G compatible hardware available to owners of affected vehicles as identified above. This upgrade may require an owner to make a co-payment in order to receive the 3G hardware update. Please refer to the Claims Information below to determine if an owner co-pay is required. This client satisfaction initiative includes both the hardware upgrade and a complimentary one-year subscription to Infiniti Connection Plus telematics service; this does not apply to PC454 (see page 2 for details). You MUST use Service Comm to confirm bulletin Applicability. NOTE: - Vehicle eligibility will be viewed on the second page of Service Comm. This activity is not displayed on the main page of Service Comm because it is optional for customers to participate. - Vehicles without Navigation are ineligible as they are not equipped with TCUs. Retailer?s Responsibility It is the retailer?s responsibility to check SERVICE COMM using the appropriate Service Comm I.D. for the status on each vehicle falling within the range of this client satisfaction initiative which for any reason enters the service department. If a vehicle subject to this client satisfaction activity was part of a retailer trade, the letter associated with that vehicle should be forwarded to the appropriate retailer for upgrade completion.
60/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
14. Select Start.
Step
14
Figure 8D
15. Confirm “Off” is displayed in the Current status field.
Step
15
Figure 9D
61/76
ITB17-007
Q50 & Q50 Hybrid
Telematics Control Unit Replacement continued
Save VIN Data
1. Select SAVE VIN DATA.
2. Select Start.
Step
1
Step
2
Figure 10D
3. Select Start.
Step
3
Figure 11D
62/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
4. Select End.
Step
4
Figure 12D
63/76
ITB17-007
Q50 & Q50 Hybrid
Telematics Control Unit Replacement continued
Remove the TCU from the Vehicle.
1. Remove both the left and right center console side
finishers.
NOTE: Driver side shown In Figure 13D and 14D.
Passenger side similar.
Center console
side finisher
Figure 13D
2. Confirm that the metal clips for the left and right center console side finisher are in place.
If the clips were detached, remove them from the center console and reattach to the center console
side finishers.
Metal clips
Figure 14D
64/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
3. With the Parking brake set, place the shift selector
into “neutral” (N).
Shift knob
4. Remove the shift knob as follows:
Console lid
assembly
Figure 15D
a. Pull the shift boot collar down (Figure 16D).
b. Remove the retaining clip (Figure 16D).
c. Replace the retaining clip back onto shift knob.
Shift boot
collar
Figure 16D
65/76
ITB17-007
Q50 & Q50 Hybrid
Telematics Control Unit Replacement continued
Console upper
finisher
5. Remove the console upper finisher as follows:
a. Raise the console lid assembly (partially
shown in Figure 15D).
NOTE: Figure 17D is shown with the console
lid assembly raised.
Figure 17D
Console upper
finisher
b. Lift the console upper finisher at the rear to
start to unclip it from the center console
assembly.
c. Work forward to detach each clip and remove
the console upper finisher.
Figure 18D
6. Remove the two screws (Figure 19D) that retain the console finisher assembly (Figure 20D on page 67)
that are to the left and the right of the seat heater buttons, under the audio controls.
Figure 19D
66/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
7. Remove the console finisher assembly from center
console assembly as follows:
Console finisher
assembly
a. Lift the rear of the console finisher assembly
gently with equal pressure, as shown in Figure
20D, to detach all clips.
b. Lift the console finisher assembly off of the
shift selector.
Figure 20D
c. Disconnect all harnesses attached to the console finisher assembly (Figure 21D).
d. Disconnect the harness from the console finisher assembly to shift selector assembly (Figure 21D).
Disconnect harnesses
Shift selector assembly
Step 7d
Figure 21D
67/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
8. Remove the instrument finisher C (Figure 23D) and instrument finisher D (Figure 22D):
a. Gently detach the bottom of each instrument finisher (“Pull here to start” in Figure 22D and 23D) by
pulling toward the rear of the vehicle.
Only pull far enough to unclip from the instrument panel.
b. Open a gap between the instrument finisher and the instrument panel so that enough space is present
to allow a finger to be inserted into the gap just below the vents (Figure 22D).
c. Remove both instrument finishers one at a time.
Instrument
finisher D
Instrument
finisher C
Pull here to start
Pull here to start
Figure 22D
Figure 23D
9. Remove the integral switch (Figure 24D) as follows:
a. Remove the two screws at the bottom of the integral switch (Figure 24D).
Integral switch
Two screws
Figure 24D
68/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
b. Pull the integral switch away from the
instrument panel at the bottom and then down
to detach upper clip (Figure 25D).
Figure 25D
c. Disconnect the three harness connectors
(Figure 26D) attached to the integral switch.
Figure 26D
69/76
ITB17-007
Q50 & Q50 Hybrid
Telematics Control Unit Replacement continued
10. Remove the A/V & NAVI control unit assembly (Figure 27D):
a. Remove the four screws that attach the A/V & NAVI control unit assembly to the instrument panel.
A/V & NAVI
control unit
assembly
Four screws
Figure 27D
A/V & NAVI
control unit
assembly
b. Pull the A/V & NAVI control unit assembly
straight back to gain access to attached
harness connectors.
c. Disconnect all harness connectors from the
rear of the A/V & NAVI control unit assembly.
Figure 28D
70/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
11. Remove four T20 screws and remove the TCU from the A/V & NAVI control unit assembly (Figure 29D).
A/V & NAVI control unit assembly
T20 screws
TCU
Figure 29D
TCU
Bracket
12. Remove the two brackets from the original TCU
and transfer to the new TCU (Figure 30D).
Each bracket is attached by two T20 screws.
The brackets are left and right specific,
transfer one side at a time.
One side shown in Figure 30D. The other side
is similar.
T20 screws
Figure 30D
Proceed to “Deactivate the Old TCU and Activate the new TCU” on the next page.
71/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
Deactivate the Old TCU and Activate the new TCU
Steps 1 and 2 below must be performed AFTER the original TCU is removed from the vehicle and
BEFORE the replacement TCU is installed.
1. Collect and have ready the following information:
VIN.
International
Mobile Equipment Identity Number (IMEI) of the original TCU. This
number is located on the TCU.
IMEI Number of the replacement TCU. This number is located on the TCU.
Serial Number of the replacement TCU. This number is located on the TCU.
LABEL ON TCU
Figure 31D
2. Call the INFINITI CONNECTION™ Call Center at 1-800-334-7858, press “1” and listen for additional
applicable INFINITI
retailer prompts. (Hours of operation are listed at the bottom of the page.)
NOTE: The phone number shown above is for TCU activation and deactivation ONLY. The Support Center
agent is unable to assist with matters unrelated to TCU activation and deactivation.
During this call:
You will be asked for your name, dealership name, and all of the information collected in step 1.
The Support Center agent will deactivate the original TCU and activate the replacement TCU.
IMPORTANT: Step 2 MUST be performed to activate the replacement TCU. If it is not performed the TCU will
not be able to communicate with the Infiniti Connection Global Data Center.
Infiniti Connection Call Center – Hours of Operation (Central Time Zone)
Monday – Friday: 7AM – 10PM
Saturday: 8AM – 5PM
Special Holiday Hours:
Closed Thanksgiving, Christmas, and New Year’s Day
Christmas Eve: 7AM – 7PM
New Year’s Eve: 7AM – 7PM
72/76
ITB17-007
Q50 & Q50 Hybrid
Telematics Control Unit Replacement continued
Install Replacement TCU
1. Install the replacement TCU into the vehicle and reassemble in the reverse order of disassembly.
Turn TCU ON
1. Perform steps 1-15 of Turn OFF the TCU procedure, starting on page 57, to turn the TCU ON and then
confirm the Current status field shows “On”.
IMPORTANT Leave the vehicle ignition ON until the Telematics icon turns white and is not crossed out as
shown in Figure 32D.
Figure 32D
Write VIN Data
1. Select WRITE VIN (SAVED DATA).
2. Select Start.
Step
1
Step
2
Figure 33D
73/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
3. Select Start.
Step
3
Figure 34D
4. Select End.
Figure 35D
Step
4
IMPORTANT:
Wait at least 2 minutes after the ignition is turned ON before checking for DTCs. If DTCs are checked
prior to this a U1000 may be stored.
After writing VIN to new TCU, confirm SOS light on overhead console is illuminated solid.
74/76
ITB17-007
Q50 & Q50 Hybrid Telematics Control Unit Replacement continued
Infiniti Owner Portal Login and Infiniti
Connection Subscription Confirmation Instructions:
Owners must follow these instructions to confirm their participation in the complimentary trial for Infiniti
Connection Plus telematics service.
a. Log onto the Infiniti Owner Portal, if not already enrolled, the client will need to create an account and
add their vehicle to their personal garage, then click on the Infiniti Connection button.
The client will be directed to the Infiniti
Connection web portal where they should click the “Enroll
Now” button.
b. The primary subscriber tab will open and be pre-populated if the client was previously enrolled in Infiniti![]()
Connection, otherwise, the client will need to enter their information and click “Next”.
c. The Package Selection page will appear where the complimentary 12-month Infiniti Connection Plus
package information will be pre-populated. No credit card is required to continue, but the client may
elect to automatically renew after the complimentary subscription by providing payment information,
then click “Next”.
d. The client will be presented with their selection summary and asked to confirm the Terms & Conditions
of participation. This will complete the confirmation and services will be active.
e. If the client has not already done so, assist the client in downloading the Infiniti Connection companion
app from either the App Store or Google Play.
f.
For assistance with this process, you and your clients can contact Infiniti
Owner Services at 1- 855444-7244.
5. Procedure is complete.
75/76
ITB17-007
CLAIMS INFORMATION
Submit a CM line claim using the following claims coding:
M37, M56, and Q70
SERVICE COMM (“CM”)
DESCRIPTION
OP CODE
FRT
PC451
Replace Telematics Control Unit
($299 Co-Pay)
PC4511
0.6 hrs.
PC452
Replace Telematics Control Unit
($149 Co-Pay)
PC4521
0.6 hrs.
PC454
Replace Telematics Control Unit
(Dealer Action Unit – No Co-Pay)
PC4541
0.6 hrs.
JX35 and QX60
SERVICE COMM (“CM”)
DESCRIPTION
OP CODE
FRT
PC451
Replace Telematics Control Unit
($299 Co-Pay)
PC4512
1.1 hrs.
PC452
Replace Telematics Control Unit
($149 Co-Pay)
PC4522
1.1 hrs.
PC454
Replace Telematics Control Unit
(Dealer Action Unit – No Co-Pay)
PC4542
1.1 hrs.
QX56 and QX80
SERVICE COMM (“CM”)
DESCRIPTION
OP CODE
FRT
PC451
Replace Telematics Control Unit
($299 Co-Pay)
PC4513
1.1 hrs.
PC452
Replace Telematics Control Unit
($149 Co-Pay)
PC4523
1.1 hrs.
PC454
Replace Telematics Control Unit
(Dealer Action Unit – No Co-Pay)
PC4543
1.1 hrs.
Q50
SERVICE COMM (“CM”)
DESCRIPTION
OP CODE
FRT
PC451
Replace Telematics Control Unit
($299 Co-Pay)
PC4510
1.3 hrs.
PC452
Replace Telematics Control Unit
($149 Co-Pay)
PC4520
1.3 hrs.
PC454
Replace Telematics Control Unit
(Dealer Action Unit – No Co-Pay)
PC4540
1.3 hrs.
76/76
ITB17-007
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: ITB17-007
Replacement Service Bulletin Number:
MFR Communication Date: 2017-02-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
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.




