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Service bulletins for the 2018 Nissan Armada

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

140 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
NTB22-0262022-06-08. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. SERVICE INFORMATION FOR FUEL GAUGE INACCURATE WITH DTCS STORED IN ECM SERVICE INFORMATION If a fuel level sensor has been diagnosed as sending an incorrect level signal, and one or more of the following DTCs are stored in the ECM, do not replace the entire “Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly” (fuel pump assembly). The fuel level sensor can be replaced separately. • P0460 (FUEL LEV SEN SLOSH) • P0461 (FUEL LEVEL SENSOR) • P0462 (FUEL LEVL SEN/CIRC) • P0463 (FUEL LEVL SEN/CIRC) NOTE: Warranty claims referring to fuel level issues that result in the replacement of the entire fuel pump assembly will be charged back.
NTB15-049X2022-05-20. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB17-082E2022-03-12. Service bulletin. FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING. DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB13-097J2022-03-12. Service bulletin. FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING. EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB13-027C2022-03-12. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB14-012G2022-02-10. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION:MODULE; ELECTRICAL SYSTEM. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-0272021-05-08. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle was recently started after sitting for an extended period of time (i.e., the battery voltage was low while attempting to start the engine). ACTION 1. Test the vehicle’s 12 volt battery using the Midtronics DSS-5000. Recharge or replace the battery if necessary. 2. Erase all DTCs.
NTB20-0652020-10-08. Service bulletin. ENGINE AND ENGINE COOLING. 2017-2019 ARMADA; ENGINE DOES NOT CRANK IF YOU CONFIRM The engine will not crank and will not start, but the battery test result is OK, OR One of these DTCs are stored: • C1142 (PRESS SENSOR) • C1A04 (ABS/TCS/VDC SYSTEM) • C1A26 (ECD MODE MALFUNCTION) AND The color of the stop lamp switch is solid black, as shown in Figure 1. ACTION Replace the stop lamp switch.
NTB20-0572020-09-11. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. VK56 CONNECTING ROD CAP BOLT SERVICE INFORMATION SERVICE INFORMATION A change has been made to the connecting rod cap bolt service part. The new service part (B in Figure 1) is visually different, but is a direct replacement for the original equipment part. IMPORTANT: See page 2 for the procedure to inspect the cap bolt service part for excessive stretch. If replacement of a single connecting rod cap bolt is indicated for any given connecting rod, both connecting rod cap bolts of the affected connecting rod must be replaced as a set.
NTB19-070a2020-09-11. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; ENGINE AND ENGINE COOLING. RATTLE FROM HEAT SHIELD This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-057a2020-04-30. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE KNOCK OR TICK NOISE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB18-062b2019-11-08. Service bulletin. ENGINE AND ENGINE COOLING. 2018 ARMADA AND TITAN; MIL ON WITH DTC P0138 AND/OR P0158 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-0702019-10-09. Service bulletin. ENGINE AND ENGINE COOLING. RATTLE FROM HEAT SHIELD IF YOU CONFIRM There is a rattle noise coming from the right front of the vehicle when the engine is running or when turning the steering wheel, or when driving at parking lot speeds. ACTION Adjust the clearance between the rear cooler pipe and the heat shield above the exhaust front tube (RH) to 6 mm, AND Adjust the clearance between the heat shield above the exhaust front tube (RH) and the frame to 10 mm.
NTB19-0572019-08-12. Service bulletin. ENGINE. ENGINE KNOCK OR TICK NOISE IF YOU CONFIRM A knock or tick noise is coming from the engine Or The customer states a knock or tick noise is heard from the engine area. ACTION Refer to REPAIR OVERVIEW on page 3.
NTB19-0212019-04-15. Service bulletin. ENGINE AND ENGINE COOLING. NISSAN; MIL ON WITH DTC P219A AND/OR P219B STORED This bulletin applies to Titan XD vehicles equipped with a VK56D gas engine only. SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.
NTB17-082b2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin does NOT apply to LEAF vehicles and Titan XD vehicles with V8 diesel engine. This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB18-0622018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 2018 ARMADA; MIL ON WITH DTC P0138 AND/OR P0158 IF YOU CONFIRM The MIL is ON with one or both of the following DTCs: - P0138 (Heated oxygen sensor heater 2 [bank 1] circuit high voltage) - P0158 (Heated oxygen sensor heater 2 [bank 2] circuit high voltage) And There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM.
NTB10-104c2018-08-20. Service bulletin. ENGINE. TITAN, ARMADA, NV; ENGINE OIL LEAK AT RIGHT SIDE BLOCK BALL PLUG This bulletin has been amended. The APPLIED VEHICLES section has been updated. No other changes have been made. Please discard all previous versions of this bulletin.
NTB16-018c2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING. MIL ON WITH P0603 STORED FOR ECM BACK UP CIRCUIT This bulletin does NOT apply to Titan equipped with Cummins V8 Diesel engine. This bulletin has been amended to add a NOTE in the Applied Vehicles. No other changes have been made. Please discard previous versions of this bulletin.
NTB13-107b2018-04-23. Service bulletin. ENGINE. INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended to update the Applied Vehicles. No other changes were made. Please discard previous versions of this bulletin.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.