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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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Bulletins, newest first
NTB15-049r2019-02-19. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. TELEMATICS SERVICE INFORMATION This bulletin applies only to vehicles equipped with a Telematics Communication Unit (TCU). This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB13-097g2019-02-19. Service bulletin. FUEL SYSTEM, GASOLINE. ALL MODEL YEAR 2012 AND NEWER NISSAN VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION 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.
NTB18-0852019-02-19. Service bulletin. INTERIOR LIGHTING. 2018 TITAN CREW CAB AND TITAN XD CREW CAB; RUNNING BOARD LIGHT COVERED This bulletin applies only to vehicles equipped with a Dealer or Vehicle Processing Center (VPC) installed running board lighting kit. IF YOU CONFIRM The running board light near the middle of one or both running boards does not appear to light up (see Figures 1 and 2 on the next page) And The hole in the running board's reinforcement bracket does not line up with the running board light (the light is covered). ACTION Replace the running board on the side of the vehicle where the running board light does not appear to be lit up. * See PARTS INFORMATION to select the correct part. * For instructions on how to replace the running board(s), refer to ASIST > Model Titan > Year 2018. Select the Acc. Install Instructions tab, and then scroll down and select Running Board_Titan_999T6 W3xxx.
NTB16-125a2019-02-19. Service bulletin. FUEL SYSTEM, DIESEL. 2016-2019 TITAN XD; DIESEL FUEL DEF CONTAMINATION This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB18-0802019-01-07. Service bulletin. AIR BAGS. AIR BAG WARNING LIGHT FLASHING INDICATING SYSTEM DIAGNOSTIC MODE IF YOU CONFIRM The air bag warning light is flashing slowly (repeating 2 seconds ON, 2 seconds OFF). NOTE: If this should occur, the Air Bag Diagnosis Sensor Unit is in Diagnostic Mode and needs to be returned to User Mode. ACTION 1. Use CONSULT-III plus to check for Air Bag DTCs and perform repairs as needed. 2. Return the Air Bag Diagnosis Sensor Unit to User Mode.
NTB18-0632018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL. 2016-2018 TITAN/TITAN XD AND 2012-2018 NV1500/2500/3500; ANTENNA STANDARDIZATION SERVICE INFORMATION For the applied vehicles, the replacement antenna base and antenna mast styles have changed to a new style, shown in Figure 1. The old style has been discontinued. If for any reason the old style antenna base needs to be replaced, both the base and the mast must be replaced as a set with the new style shown in Figure 1. If the vehicle still has the old style antenna base, as shown in Figure 2, and only the mast is damaged, a replacement antenna mast can be ordered.
NTB18-024a2018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER:FUEL FILTER. 2016-2019 TITAN XD; STAGE 1 AND STAGE 2 FUEL FILTER ELEMENT REPLACEMENT This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. This bulletin has been amended. Changes were made on page 4, 6, and 12. Please discard previous versions of this bulletin.
NTB15-077b2018-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. NISSAN; SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB18-0732018-11-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. 2018 TITAN; IPDM E/R SERVICE INFORMATION SERVICE INFORMATION When diagnosing an electrical issue that involves the IPDM E/R, make sure to: - Check for blown fuses in the IPDM E/R. - Replace any blown fuses and recheck the issue. NOTE: - Do not replace an IPDM E/R if replacement of a fuse will resolve the issue. - Part numbers for IPDM E/R fuses are listed in the Parts Information on the next page. CLAIMS INFORMATION If the IPDM E/R is replaced, do not remove the fuses or any other components. The old part must be returned complete. An IPDM E/R that is returned with missing or physically damaged components will be charged back to the dealer.
NTB18-0712018-11-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; STRUCTURE:BODY:DOOR. SECURITY ALARM SOUNDS AFTER USING MECHANICAL KEY TO UNLOCK DRIVER DOOR SERVICE INFORMATION Applied Vehicles listed above are no longer equipped with a door unlock sensor and/or Body Control Module (BCM) software to provide support for the door unlock sensor. Normal Functionality For Vehicles Built Without Door Unlock Sensor And/Or BCM Software To Support Door Unlock Sensor For Applied Vehicles built after the Applied Dates listed on page 1, using the mechanical key on the driver door will operate differently than vehicles built before the Applied Dates. For these later models, the BCM will not recognize operation of the mechanical key. If a mechanical key is used to lock the driver door: - The security system will not set. If the vehicle is broken into, the alarm will not sound. - Only the driver door will be locked. Other doors will not lock using the mechanical key. If a mechanical key is used to unlock the driver door: - Only the driver door will be unlocked. Other doors will not be unlocked. - If the security system is set, when the door is opened the alarm will sound. NOTE: Using the Unlock button on the Intelligent Key, pushing the request switch on the driver or passenger door with the Intelligent Key in range, or using the Intelligent Key to start the vehicle will silence the alarm. The mechanical key will not operate the power windows.
NTB17-060b2018-10-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. 2016-2018 TITAN XD; DTC P207F AND DEF SYSTEM ERROR IS DISPLAYED ON THE VEHICLE INFORMATION DISPLAY This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. This bulletin has been amended. The Applied Vehicles section, Table A on page 7, and the DTC Confirmation procedure have been revised. No other changes have been made. Please discard previous versions of this bulletin.
NTB15-049q2018-10-15. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. TELEMATICS SERVICE INFORMATION This bulletin applies only to vehicles equipped with a Telematics Communication Unit (TCU). This bulletin has been amended to add a Required Actions by Model and Year table on page 2, a Check OFF Sheet on page 21 and to reorganize the information throughout. It is necessary for you to read this revised procedure to properly perform this Service Information. Please discard previous versions of this bulletin.
NTB18-017b2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. NISSAN; SERVICE INFORMATION FOR DTCS B2EF0 AND B130C This bulletin only applies to vehicles equipped with a Telematics Communication Unit (TCU). This bulletin has been amended. APPLIED VEHICLES has been updated. On page 2, the procedural steps under DTC B130C have been revised. Discard all previous versions of this bulletin.
NTB15-049p2018-09-17. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin only applies to vehicles equipped with a Telematics Communication Unit (TCU). This bulletin has been amended. Changes have been made to page 10 for 2018 Armada. Please discard previous versions of this bulletin.
NTB15-049p2018-09-17. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. TELEMATICS SERVICE INFORMATION This bulletin only applies to vehicles equipped with a Telematics Communication Unit (TCU). This bulletin has been amended. Changes have been made to page 10 for 2018 Armada. Please discard previous versions of this bulletin.
NTB18-031b2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 2016-2018 NISSAN CONNECT NAVIGATION SYSTEM SOFTWARE UPDATE TO RESOLVE SEVERAL ISSUES This bulletin has been amended. The IF YOU CONFIRM section and software number has changed. No other changes have been made. 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.
NTB18-040a2018-08-20. Service bulletin. EQUIPMENT. 2017-2018 TITAN; AIR CONDITIONING BLOWS HOT AIR AFTER EXTENDED IDLING OVER 100°F 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.
NTB18-0432018-08-06. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING:HEADLIGHTS. HEADLIGHT SYSTEM ERROR DIAGNOSTIC INFORMATION SERVICE INFORMATION - When diagnosing a Headlight System Error warning, and - Both headlamps are visually working correctly, - It may be difficult to determine the exact cause. - Use the information in this bulletin as an aid, along with the Electronic Service Manual (ESM), to isolate the root cause and fix it right the first time.
NTB18-0402018-08-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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.
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.
NTB18-0432018-07-30. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. HEADLIGHT SYSTEM ERROR DIAGNOSTIC INFORMATION SERVICE INFORMATION - When diagnosing a Headlight System Error warning, and - Both headlamps are visually working correctly, - It may be difficult to determine the exact cause. - Use the information in this bulletin as an aid, along with the Electronic Service Manual (ESM), to isolate the root cause and fix it right the first time.
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.

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