NTB20-056

Classification:
Reference:
EC20-019
Date:
NTB20-056
August 4, 2020
MIL ON WITH P0101 STORED
APPLIED VEHICLES:
APPLIED ENGINE:
2020 Altima (L34)
PR25DD
IF YOU CONFIRM
The MIL is ON and DTC P0101 (MAF SEN/CIRCUIT-B1) is stored in the ECM,
AND
There are no drivability concerns.
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 on page 3.

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: 237106CF0A, 6CF0D
6CF1A, 6CF1D
6CF2A, 6CF2D
6CF3A, 6CF3D
6CF4A, 6CF4D
Altima
6CF5A, 6CF5D
2020
9HE0B, 9HE0C, 9HE0E
9HE1B, 9HE1C, 9HE1E
9HE2B, 9HE2C, 9HE2E
9HE3B, 9HE3C, 9HE3E
9HE4B, 9HE4C, 9HE4E
9HE5B, 9HE5C, 9HE5E
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NTB20-056
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 plus VI. If Bluetooth® signal waves are within range of
the CONSULT PC or plus 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:
 Engine coolant temperature: 70 - 100°C (158 - 212°F)
 Battery voltage: More than 12.9 V (At idle)
 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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NTB20-056
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Reprogram the ECM
(1)
DE97AA
ZE
32
(2)
(1) Reference the electronic parts catalog and use the ECM part number (23703-*****) as
the Primary Failed Part (PFP).
(2) Reference the current Nissan Warranty Flat Rate Manual and use the indicated Flat
Rate Time (FRT).
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
August 4, 2020
NTB20-056
DESCRIPTION
Original bulletin published
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NTB20-056