Dealers will also need to have the model, model year, sales country (i.e. USA),
marketing color name of the vehicle and VIN available.

Q.

Who can I call with Telematics system specific questions?

A.

Contact the Nissan Owner Services call center @ 877-664-2738. The call center is
operational between 8AM-12AM EST Monday through Saturday.

Q.

Which part should be used?

A.

There are




Q.

May a dealer offer dealer goodwill to cover the cost of an owner’s co-pay for
this upgrade?

A.

The dealer is responsible for collecting the copay from an owner electing to upgrade
to a 3G compatible TCU and may choose to not collect co-pays as service to their
customers. Nissan will debit a dealer’s non-vehicle account for each claim submitted
when a co-pay applies.

Q.

Will Nissan cover an owner’s co-pay using factory goodwill?

A.

No. Factory goodwill will not cover a co-pay for owner’s electing to upgrade to a 3G
compatible TCU.

three different part numbers required based on production date
12/1/2012 - 09/30/2015: use part number 283B0-3NF2A
9/20/2011 – 11/30/2012: use part number 283B0-3NA2A
11/1/2010 – 09/19/2011: use part number 283B0-3NA1A

Installation instructions follow

PC449_PC450 | Revision 1

LEAF Telematics Control Unit Replacement
IMPORTANT: Those steps in RED below, under Campaign Overview, MUST
be performed in the order listed for the new TCU to operate correctly.

Campaign Overview:

1. Turn OFF the original TCU using CONSULT-III plus (C-III plus)
(page 2).

2. Save the VIN DATA using C-III plus (page 7).

3. Remove the original TCU from the vehicle (page 8).

4. Deactivate (unregister) the original TCU and Activate (register) the replacement TCU
by calling LEAF TCU Replacement Support Call Center (page 11).

5. Install the replacement TCU in the vehicle (page 12).

6. Turn ON the replacement TCU using C-III plus (page 12).

7. Write the VIN DATA using C-III plus (page 12).

8. Sign in to TCU with customer’s User ID and Password (page 14).

1/15

SERVICE PROCEDURE

Turn OFF the TCU

1. Connect the C-III plus VI to the vehicle.

2. Set the parking brake.

3. Push the vehicle power switch twice to READY mode.

4. Launch C-III plus on the CONSULT PC.

5. Select Diagnosis (One System).

Step
5

Figure 1

2/15

6. Select TELEMATICS on page 2 of the all systems list.

Step
6

Figure 2

7. Select Work support.

Step
7

Figure 3

3/15

8. Select TCU ACTIVATE SETTING.

9. Select Start.

Step
8

Step
9

Figure 4

10. Select Start.

Step
10

Figure 5

4/15

11. Select Off to turn OFF the TCU.

12. Select End.

Step
11

Step
12

Figure 6

13. Select Start.

Step
13

Figure 7

5/15

14. Select Start.

Step
14

Figure 8

15. Confirm “Off” is displayed in the Current status field.

Step
15

Figure 9

6/15

Save VIN Data

1. Select SAVE VIN DATA.
2. Select Start.

Step
1

Step
2

Figure 10

3. Select Start.
NOTE: If the VIN data cannot be saved, you will have to manually enter the VIN later in
this procedure.

Step
3

Figure 11

7/15

4. Select End.

Step
4

Figure 12

Remove the TCU from the Vehicle

1. Remove glove box lid.
a. Open glove box lid.
b. Disengage the pawl, then remove damper pin on left side.

Figure 13

CAUTION:
Do not excessively pull string of glove box damper.

8/15

2. Pull glove box lid (1) toward vehicle rear,
then disengage the joint from glove box
cover assembly (2).

Figure 14

3. Remove glove box cover assembly.
a. Remove screws (A).
b. Pull back the glove box cover assembly
while holding the lower side and
disengage the pawl and metal clips
according to numerical order 1 → 3 the
as shown.

Figure 15

4. Remove the three sheet metal
screws (Figure 16) that attach the
TCU bracket to the right hand side
of the steering member.

Figure 16

9/15

5. Disconnect three harness
connectors from the TCU
(Figure 17).
NOTE: Leave harnesses attached to
bracket.

Figure 17

6. Remove the four screws (T20) shown in Figure 18 and Figure 19 (two from each side)
that attach the TCU to the mounting bracket and remove TCU from bracket.
NOTE: Do not install the new TCU yet.

Screws

Figure 18

Figure 19

10/15

Deactivate the Old TCU and then Activate the New TCU
Steps 1 and 2 must be performed AFTER the original TCU is removed from the vehicle and BEFORE the
new 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 20
2. Call Nissan LEAF TCU Replacement Support at 1-800-922-1528. (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 NissanConnect Global Data Center.
Nissan LEAF TCU Replacement Support – Hours of Operation (Central Time Zone)
Monday – Friday: 7AM – 10PM

Saturday: 8AM – 5PM

Special Holiday Hours:
Closed Thanksgiving, Christmas, and New Years Day
Christmas Eve: 7AM – 7PM
New Years Eve: 7AM – 7PM
11/15

Install Replacement TCU


Perform steps 1-6 of Remove the TCU from the Vehicle procedure on page 8, in
reverse order, to install.

Turn TCU ON


Perform steps 1-15 of Turn OFF the TCU procedure, starting on page 3, to
turn the TCU ON and then confirm the Current status field shows “On”.

Write VIN Data
1. Select WRITE VIN (SAVED DATA).

2. Select Start.

Step
1

Step
2

Figure 21

12/15

3. Select Start.

Step
3

Figure 22

4. Select End.

Step
4

Figure 23

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.

13/15

Sign in to TCU with customer’s User ID and Password
(Owner has an existing NissanConnect EV account)

1. Press the Zero Emission button on the
Multifunction Control Panel (Figure 22).
Zero Emission
button

Figure 24

2. Select CARWINGS) and then
CARWINGS Settings.
Step 2

Figure 25

Step
3

3. Select Sign in.

Figure 26

14/15

4. Select Send ID and password to resend
the NissanConnect EV/CARWINGS User
ID and Password.

Step
4

Send ID and password
XXXXXX

NOTE: The NissanConnect
EV/CARWINGS User ID and Password
will automatically be entered into these
fields after Write VIN Data is performed.
Figure 27
If an owner does not have an existing NissanConnect EV account, the owner will have to
create an account as follows, then sign into the TCU in their vehicle using their User ID and
Password.
1. Create a Nissan Owner Portal account (https://owners.nissanusa.com/nowners/)
2. Add your contact information and VIN
3. Agree to the Terms & Conditions
4. Press the Confirm button to obtain the instructions for providing your User ID and
Password for the vehicle’s information screen
5. Download the NissanConnect EV companion app and log in using your Nissan
Owner Portal ID & Password

PARTS INFORMATION
DESCRIPTION
Telematics Control Unit
Telematics Control Unit
Telematics Control Unit

PRODUCTION DATES
12/1/2012 – 09/30/2015
9/20/2011 – 11/30/2012
11/1/2010 – 09/19/2011

PART NUMBER
283B0-3NF2A
283B0-3NA2A
283B0-3NA1A

QUANTITY
1
1
1

CLAIMS INFORMATION
Submit a Campaign (CM) line claim using the following claims coding:
CAMPAIGN (“CM”) ID
DESCRIPTION
OP CODE
Replace Telematics Control Unit
PC449
PC4490
($199 Co-Pay)
PC450

Replace Telematics Control Unit
(No Co-Pay)

15/15

PC4500

FRT
1.1 hrs.
1.1 hrs.