NTB20-044

Classification:
Reference:
EC20-018
Date:
NTB20-044
June 22, 2020
MIL ON WITH DTC P0053, P0059, P0030 AND/OR P0050
STORED
APPLIED VEHICLES:
APPLIED DATE:
2020 Murano (Z52)
Built after January 13, 2020
IF YOU CONFIRM
The MIL is ON with one or more of the following A/F SENSOR 1 HEATER DTCs stored:




P0053
P0059
P0030
P0050
ACTION
1.
Confirm the current ECM part number.
2.
Reprogram the ECM, if applicable.
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
1.
Using C-III plus, confirm the current ECM part number and write it on the repair order.

If it matches one of the part numbers in Table 1, continue to step 2.

If it does not match one of the part numbers in Table 1, this bulletin does not
apply. Go back to ASIST for further diagnostic and repair information.
Table 1
MODEL
YEAR
CURRENT ECM PART NUMBER 23710-
Murano
2020
9UH4A, 9UH5A, 9UH6A, 9UH7A
Perform the following before starting the reprogramming procedure to prevent damage to
the control unit.







Connect the AC Adapter to the CONSULT PC.
Connect the CONSULT PC to the internet via Wi-Fi or a network cable.
Ensure ASIST on the CONSULT PC has been synchronized (updated) to the current
date and all C-III plus software updates (if any) have been installed.
Turn OFF all external Bluetooth® devices (e.g., cell phones, printers, etc.) within
range of the CONSULT PC and the VI. If Bluetooth® signal waves are within range
of the CONSULT PC or VI during reprogramming, the reprogramming may be
interrupted.
Turn OFF all vehicle electrical loads.
Turn ON the hazard warning lamps.
Connect a battery maintainer or smart charger, set to reflash mode or a similar
setting, to ensure the battery voltage stays between 12.0 V and 15.5 V.
HINT:
 If you are not familiar with the reprogramming procedure, click here. This will link you
to the "CONSULT-III plus (C-III plus) ECM Reprogramming" general procedure.
 Take the vehicle for a 10 minute drive in order to meet the following Idle Air Volume
Learning conditions:
o Engine coolant temperature: 70 - 100 °C (158 - 212 °F)
o Battery voltage: More than 12.9 V (At idle)
o Transmission: Warmed up
 When reprogramming is complete, you will be required to perform Throttle Valve
Closed Position, Idle Air Volume Learning, Accelerator Closed Position and DTC
erase.
2.
Reprogram the ECM.
3.
After completing Erase ALL DTCs, print a copy of the C-III plus screen showing the
before and after part numbers of the control unit and attach it to the repair order.
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NTB20-044
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
(1)
(2)
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Reprogram the ECM
(1)
DE97AA
ZE
32
(2)
Reference the electronic parts catalog and use the ECM part number (23703-*****) as
the Primary Failed Part (PFP).
Reference the current Nissan Warranty Flat Rate Manual and use the indicated Flat
Rate Time (FRT).
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
June 22, 2020
NTB20-044
DESCRIPTION
Original bulletin published
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NTB20-044