NHTSA Service Bulletin 10173567: 2019, 2020 Nissan Armada
Official manufacturer communication context for 2019, 2020 Nissan Armada, 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.
Engine Control Module (ECM) Reprogram Voluntary Service Campaign ***** Campaign Summary***** Nissan is conducting a Voluntary Service Campaign to reprogram the engine control module (ECM) with countermeasure software in certain vehicles. The current software installed may allow the Variable Valve Timing (VVT) solenoid valve diagnosis to continue to draw current when the engine is off. This condition may result in a reduction of the battery life. ***** What Dealers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Service Campaign using Service Comm or DBS National Service History - Open Campaign I.Ds: PC734 Titan, NV Passenger Van PM940 Sentra, NV200, NV200 Taxi P0A05 GT-R, Armada - New vehicles in dealer inventory can be also be identified using DCS (Sales->Vehicle Inventory, and filter by Open Campaign). - Refer to NPSB 15-460 for additional information 2. Dealers are requested to repair any affected vehicles in retailer new or pre-owned inventory to ensure customer satisfaction. 3. Dealers should use NTB20-021 to correct any vehicles subject to this campaign. 4. Once repaired, dealer should submit the warranty claim, using the claims coding provided, and release the vehicle.
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 10173567?
Engine Control Module (ECM) Reprogram Voluntary Service Campaign ***** Campaign Summary***** Nissan is conducting a Voluntary Service Campaign to reprogram the engine control module (ECM) with countermeasure software in certain vehicles. The current software installed may allow the Variable Valve Timing (VVT) solenoid valve diagnosis to continue to draw current when the engine is off. This condition may result in a.
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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