NHTSA Service Bulletin 10185479: 2020 Nissan Titan
Official manufacturer communication context for 2020 Nissan Titan, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Rear Combination Lamp Dealer Inventory Dealer Announcement Nissan is conducting a dealer inventory quality action to replace both rear combination lamps on 697 specific 2020 Titan vehicles identified in Service Comm. Due to a supplier issue that has since been resolved, the tail light function of the Rear Combination Lamp on Light-emitting diode (LED) equipped vehicles may not illuminate under certain conditions during vehicle start-up. Affected vehicles are not subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. What Dealers Should Do PLEASE FOLLOW THE ATTACHED INSPECTION INSTRUCTIONS: 1.Verify if vehicles are affected by this quality action using Service Comm or DBS National Service History Open Campaigns I.D. PC746 New vehicles in dealer inventory can also be identified using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). Refer to NPSB 15-460 for additional information Please continue to check newly arriving inventory for campaign applicability. 2.Use the attached procedure to replace the rear combination lamps with new ones and disable the parts removed from the vehicle. 3.The service department should submit the applicable warranty claim for the action performed so it can be closed on Service Comm. Dealer Responsibility It is the dealers responsibility to check Service Comm or DBS National Service History Open Campaign using the appropriate campaign I.D for the inspection status on each affected vehicle currently in new vehicle inventory.
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 10185479?
Rear Combination Lamp Dealer Inventory Dealer Announcement Nissan is conducting a dealer inventory quality action to replace both rear combination lamps on 697 specific 2020 Titan vehicles identified in Service Comm. Due to a supplier issue that has since been resolved, the tail light function of the Rear Combination Lamp on Light-emitting diode (LED) equipped vehicles may not illuminate under certain conditions.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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