Classification:

Reference:

WT19-001

Date:

NTB19-062

August 8, 2019

2018 370Z AND GT-R; TPMS LIGHT ON WITH DTC STORED
APPLIED VEHICLES:

2018 370Z (Z34)
2018 GT-R (R35)

IF YOU CONFIRM
The Tire Pressure Monitor System (TPMS) light is ON with one or more of the following
DTCs stored:





C1708 – [NO DATA] FL
C1709 – [NO DATA] FR
C1710 – [NO DATA] RR
C1711 – [NO DATA] RL

ACTION
1. Verify that the TPMS sensor associated with the stored DTC(s) is transmitting a
signal with the Signal Tech II.
2. If transmitting, clear TPMS DTCs, turn the HVAC to maximum cool, and then road
test the vehicle (see the specific conditions under steps 20 and 21 on page 6.
3. If a DTC is stored during the road test, replace the HVAC blower motor.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.

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SERVICE PROCEDURE
With the Signal Tech II, check all TPMS sensors for DTCs

1.

Turn the Signal Tech II ON, select
TPMS Check, and then select the
vehicle model/year.


After the vehicle is selected, the
screen will prompt you “Press tool
against LF tire and press OK to
activate”.

Figure 1
2.

Position the Signal Tech II on the surface of the tire, indicated by the Signal Tech II.


Position where the valve stem is located as shown in Figure 2.
NOTE: Do not hold against the metal wheel, as this can affect the performance of
the tool.

3.

With the tool held at a 0 to 15 degree angle to the tire, press and release the OK
button to activate the sensor.


The Signal Tech II will display pressure at this wheel location, and then
automatically ask for the next tire after a successful read.



The Signal Tech II will allow three (3) attempts to successfully read a TPMS
sensor before displaying NO TPM FOUND. An “X” will be displayed along with an
audible beep.
IMPORTANT: You will need to hold the tool steady until the test is completed.

Figure 2
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NTB19-062

4.

Repeat steps 2 and 3 as the Signal
Tech II prompts you through each
wheel position, and then proceed to
step 5.


Once all 4 positions are activated,
the Signal Tech II will scroll to the
CON OBD box shown in Figure 3.

Figure 3
Attach the Signal Tech II to the DLC and check for DTCs

5.

Connect the OBD cable to the base of
the Signal Tech II at the DB15
connection.

6.

Connect the OBD cable to the DLC on
the vehicle and turn the ignition to the
ON position.
Figure 4

7.

8.

Once the Signal Tech II is connected,
the tool will display COMMS. Press
OK to continue.


The Signal Tech II will connect
to the BCM, read the VIN, sensor
IDs and check for TPMS DTCs.



DTCs related to a specific TPMS
sensor will be displayed.

Press OK on the Signal Tech II.

Figure 5
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NTB19-062

9.

When the Signal Tech II displays “IDs
Programmed & DTCs Cleared
Successfully”, press OK to print the
audit report.

Figure 6

Print the Signal Tech II File
10.

Connect the USB cable to a PC.

11.

With the tool still on, connect a USB cable to the Signal Tech II.

12.

Open “My Computer” and locate the Signal Tech II at “Removable Disk (x:)”
NOTE: The current vehicle report will be under “Removable Disk x:” with the name
CURR_REP.

13.

Click on the reports folder to view saved reports by VIN number.

14.

Locate the file with the vehicle’s VIN.

15.

Double click to open the file.

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NTB19-062

16.

Complete the form (Figure 7) and then print it.

17.

Attach a copy of the printed form to the repair order.

Nissan XXXXXXX

XXXXXXXXXXXXXXXXX

Figure 7

18.

Confirm that each TPMS sensor is transmitting a tire pressure.
NOTE: Tire pressures can be found in the second column of the form that was just
printed.

19.



YES, all TPMS sensors are transmitting a pressure: Proceed to step 20.



NO, not all of the TPMS sensors are transmitting a pressure: This bulletin
does not apply. Refer to the ESM for further diagnostic information.

Erase the stored TPMS DTC(s).

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NTB19-062

20.

Turn the air conditioning ON and to the following settings:





21.

Maximum cold
Recirculate
Face mode
Maximum fan speed

Drive the vehicle at 25 MPH or more for 3 minutes, and then drive the vehicle at any
speed for 10 minutes.


Is DTC C1708, C1709, C1710 or C1711 stored?
YES: Proceed to step 22.
NO: This bulletin does not apply. Refer to the Electronic Service Manual (ESM) for
further diagnostic information.

22.

Replace the HVAC blower with one from the Parts Information section on page 7.


Refer to the ESM for the procedure to replace the HVAC blower:
370Z – REPAIR > VENTILATION, HEATER & AIR CONDITIONER >
VENTILATION SYSTEM > REMOVAL AND INSTALLATION >
BLOWER MOTOR.
GT-R – VENTILATION, HEATER AIR CONDITIONER > VENTILATION SYSTEM
> REMOVAL AND INSTALLATION > BLOWER UNIT >
BLOWER MOTOR.

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NTB19-062

A.

PARTS INFORMATION
MODEL

DESCRIPTION

PART NUMBER

QUANTITY

2018 370Z

Blower Assembly

27200-1EA0E

1

2018 GT-R

Blower Assembly

27200-JK60B

1

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
TPMS Diagnosis/Blower Motor
(1)
(2)

PFP
(1)

OP CODE
PX87AA

SYM
HC

DIA
32

FRT
2.2 (2)

Reference the electronic parts catalog and use the Front Blower Motor (27200-*****)
as the Primary Failed Part (PFP).
The FRT allows adequate time to access DTC codes. No other diagnostic
procedures subsequently required. Do Not claim any other diagnostic operation
codes with this claim.

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
August 8, 2019

NTB19-062

DESCRIPTION
Original bulletin published

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NTB19-062