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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: Heating and air conditioning are shown. Show all

Bulletins, newest first
NTB19-0132019-03-18. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2016-2018 TITAN/TITAN XD WITH AUTO A/C; VAST TEMPERATURE DIFFERENCE BETWEEN 61°F & 62°F SETTINGS This bulletin applies only to vehicles equipped with auto A/C. IF YOU CONFIRM The customer states there is a significant difference in vent temperature between auto A/C settings of 61°F and 62°F. ACTION 1. Check the A/C auto amp?s current part number. 2. If the current part number matches one listed in Table A (see page 6), reprogram the A/C auto amp.
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.
NTB18-0402018-08-06. 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.
NTB18-0462018-07-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; 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.

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