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Service bulletins for the 2018 Nissan Titan

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.

173 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
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.
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.
NTB18-046a2018-08-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. 2016-2018 TITAN XD DIESEL; AIR CONDITIONING BLOWS HOT AIR AFTER EXTENDED IDLING OVER 100°F This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. This bulletin has been amended to change the Classification number. No other changes have been made. Please discard previous versions of this bulletin.
NTB18-0462018-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2016-2018 TITAN XD DIESEL; AIR CONDITIONING BLOWS HOT AIR AFTER EXTENDED IDLING OVER 100°F This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. IF YOU CONFIRM Hot air starts to blow from the dash vents while the Air Conditioning is ON, under the following conditions: - After the engine has idled for an extended period with the vehicle in Drive (D-range). And - Ambient temperature outside the vehicle is 100°F (37.8°C) or more. ACTION 1. Save Computer Data with CONSULT-III plus (C-III plus). 2. At step 6 of the reprogramming procedure, confirm this bulletin applies to the vehicle you are working on. 3. If this bulletin applies, continue with the reprogramming procedure. 4. Write Saved Data with CONSULT-III plus.
NTB18-0462018-07-30. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2016-2018 TITAN XD DIESEL; AIR CONDITIONING BLOWS HOT AIR AFTER EXTENDED IDLING OVER 100°F This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. IF YOU CONFIRM Hot air starts to blow from the dash vents while the Air Conditioning is ON, under the following conditions: - After the engine has idled for an extended period with the vehicle in Drive (D-range). And - Ambient temperature outside the vehicle is 100°F (37.8°C) or more. ACTION 1. Save Computer Data with CONSULT-III plus (C-III plus). 2. At step 6 of the reprogramming procedure, confirm this bulletin applies to the vehicle you are working on. 3. If this bulletin applies, continue with the reprogramming procedure. 4. Write Saved Data with CONSULT-III plus.
NTB18-0402018-07-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. 2017-2018 TITAN; AIR CONDITIONING BLOWS HOT AIR AFTER EXTENDED IDLING OVER 100°F IF YOU CONFIRM Hot air starts to blow from the dash vents while the Air Conditioning is ON, under the following conditions: - After the engine has idled for an extended period with the vehicle in Drive (D-range). And - Ambient temperature outside the vehicle is 100°F (37.8°C) or more. 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.
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.
NTB18-0242018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. 2016-2018 TITAN XD; STAGE 1 AND STAGE 2 FUEL FILTER REPLACEMENT SERVICE INFORMATION When replacing the Stage 1 or Stage 2 fuel filters, it is important not to damage the new fuel filters, inner seals, or O-rings. Refer to the Service Procedure section of this bulletin or the Electronic Service Manual (ESM) ENGINE> FUEL SYSTEM> CUMMINS 5.0L> REMOVAL AND INSTALLATION to ensure the filters are being replaced correctly. P008A LOW FUEL PRESSURE CONTROL SYSTEM and/or a no start condition may occur if the procedure is not followed properly.

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