NTB20-020

Classification:
Reference:
EC20-005
Date:
NTB20-020
March 26, 2020
2010-2012 ALTIMA; MIL ON WITH DTC P2423
APPLIED VEHICLES:
APPLIED ENGINE:
2010-2012 Altima coupe (CL32)
2010-2012 Altima sedan (L32)
QR25DE w/California emissions (non-hybrid)
NOTE:
The warranty period for the front exhaust tube with catalyst (20010-ZX10A) has been
extended on the Applied Vehicles if the following criteria are met:



The MIL is ON and DTC P2423 is stored in the ECM.
The VIN is shown in SERVICE-COMM under “L32 NMOG EXT_DTC P2423 NTB20020.”
The vehicle is within the L32 NMOG Warranty Extension period (refer to Table 1).
Table 1 – L32 NMOG Warranty Extension period
Model
Warranty period
2010-2011 Altima Sedan/Coupe
16 years or 170,000 miles (whichever occurs first)
2012 Altima Sedan/Coupe
10 years or 120,000 miles (whichever occurs first)
IF YOU CONFIRM
The MIL is ON and DTC P2423 (HC ADSORPTION CATALYST FUNCTION) is stored in
the ECM,
AND
The vehicle is within the L32 NMOG Warranty Extension period,
AND
L32 NMOG EXT_DTC P2423 NTB20-020 appears in SERVICE-COMM for the vehicle.
ACTION
Replace the front exhaust tube with catalyst.
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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IMPORTANT: If the vehicle has stored DTC P2423, ensure campaign bulletin NTB20-022
has been applied. If the campaign has been applied and the vehicle has stored DTC P2423
but does not qualify for the L32 NMOG Warranty Extension, refer to the ESM for further
diagnostic information.
SERVICE PROCEDURE
1.
Replace the front exhaust tube with catalyst.

Refer to the ESM for front exhaust tube replacement: ENGINE > EXHAUST
SYSTEM (QR25DE) > REMOVAL AND INSTALLATION.
PARTS INFORMATION
NOTE:
The table below is a list of parts that are covered by the L32 NMOG Warranty Extension.
DESCRIPTION
Tube-Exh Fr W/Cat
(Front Exhaust Tube With Cat)
PART NUMBER
QUANTITY
20010-ZX10A
1
Gasket-Exhaust
20691-19U0A
1
Gasket-Catalyst
20692-65J00
1
Nut
01223-N0021
3
Nut
01225-N0011
2
CLAIMS INFORMATION
NOTE:


The claims information below is only for the application of the L32 NMOG
Warranty Extension (i.e. vehicles that meet all of the criteria described on the first
page).
All parts replaced under the L32 NMOG Warranty Extension may be requested
back for inspection. If no defects are found with the returned part(s), the dealer
may be charged back for the entire warranty claim. Verify that the vehicle being
serviced has the L32 NMOG Warranty Extension displayed in SERVICE-COMM
prior to servicing the vehicle.
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Replace front exhaust tube
(1)
FX66AA
ZE
32
0.5
(1) Reference the electronic parts catalog and use the Tube-Exh Fr W/Cat 20010-***** as
the Primary Failed Part (PFP).
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
March 26, 2020
NTB20-020
DESCRIPTION
Original bulletin published
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NTB20-020