NHTSA service bulletin

NHTSA Service Bulletin 10179784: 2015-2020 Lexus Nx200t

Official manufacturer communication context for 2015-2020 Lexus Nx200t, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10179784 summary graphic for 2015-2020 Lexus Nx200t
10179784NHTSA document ID
Manufacturer communicationcommunication type
2affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

TSB: Some 2015 ? 2017 NX 200t and 2018 ? 2020 NX 300 model year vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P125D71 (Fuel Flow Control Valve Performance Actuator Stuck) present. Some vehicles may also enter ?limp mode? and the Multi-Information Display (MID) will tell the customer ?reduced engine power ? take vehicle to nearest dealer.? The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.

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

MakeModelModel yearsBuyer note
LexusNx200t2015-2017Ask for service records and run the exact VIN before purchase.
LexusNx3002018-2020Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10179784?

TSB: Some 2015 ? 2017 NX 200t and 2018 ? 2020 NX 300 model year vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P125D71 (Fuel Flow Control Valve Performance Actuator Stuck) present. Some vehicles may also enter ?limp mode? and the Multi-Information Display (MID) will tell the customer ?reduced engine power ? take vehicle to nearest dealer.? The Engine Control Module (ECM) (SAE term:.

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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