Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Work Procedure
- TURN TCU OFF
CONSULT Work support
- Select TCU ACTIVATE SETTING, then Start.
- Select Start, then select Off to turn OFF the TCU.
- Select End to return to the Work support Test Item screen.
GO TO STEP 2 .
- SAVE VIN DATANOTE:
If the VIN data cannot be saved, it will have to be entered manually later in this procedure.
CONSULT Work support
- Select SAVE VIN DATA, then Start.
- Select Start to save the VIN data.
- Select End to return to the Work support Test Item screen.
GO TO STEP 3 .
- REMOVE TCU
Remove the TCU. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 4 .
- RECORD TCU PART LABEL INFORMATIONNOTE:
Step 4 must be performed after the original TCU has been removed from the vehicle and before the replacement TCU is installed.
Collect, record and have the following information ready:
- VIN.
- International Mobile Equipment Identity (IMEI) number of the original TCU. Located on the TCU part label.
- International Mobile Equipment Identity (IMEI) number of the replacement TCU. Located on the TCU part label.
- Serial number of the replacement TCU. Located on the TCU part label.
GO TO STEP 5 .
- INSTALL TCU
Install the replacement TCU. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 6 .
- VIN DATA
Was the VIN data saved during step 2?
YES
GO TO STEP 7.
NO
GO TO STEP 8 .
- WRITE VIN DATA
CONSULT Work support
- Select WRITE VIN DATA, then Start.
- Select Start.
- After the data writing has been completed, select End to return to the Work support Test Item screen.
GO TO STEP 9 .
- MANUALLY ENTER VIN DATA
CONSULT Work support
- Select VIN REGISTRATION.
- Enter the VIN number in the VIN (1ST TIME) field.
- Enter the VIN number in the VIN (2ND TIME) field.
- Select Start.
- After the VIN registration has been completed, select End to return to the Work support Test Item screen.
GO TO STEP 9 .
- REGISTER INTELLIGENT KEYS
For initialization and registration of Intelligent Keys, refer to CONSULT Immobilizer mode and follow the on-screen instructions.
GO TO STEP 10 .
- CONTACT SIRIUSXM CALL CENTERNOTE:
This step must be performed to activate the replacement TCU. If this step is not performed, the TCU will not be able to communicate with the NISSAN Connection Data Center.
- Call the SiriusXM call center. You will be asked for your name, dealer name, and the information collected in step 4. The call agent will deactivate the original TCU and activate the replacement TCU.
- Wait for the SiriusXM Call center agent to call back, confirming TCU registration.NOTE:
- This step may take 1-2 hours.
- TCU registration does not enroll the customer in NISSAN Connection Services.
GO TO STEP 11 .
- TURN TCU ON
CONSULT Work support
- Select "TCU ACTIVATE SETTING", then "Start".
- Select "Start", then select "ON" to turn ON the TCU.
- Select "End", to return to the Work support Test Item screen.
- Select "TCU ACTIVATE SETTING", then "Start".
- Select "Start", and confirm that On is displayed in the Current status field.
GO TO STEP 12 .
- CONFIRM TCU ACTIVATION
- Follow the instructions in TSB to confirm TCU activation.
- Confirm the telematics switch LED indicator is turned ON.
Work End.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.