NHTSA Service Bulletin 10187252: 2016, 2017 Lexus Lx570
Official manufacturer communication context for 2016, 2017 Lexus Lx570, 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.
Some 2016 ? 2017 model year LX 570 vehicles may exhibit one or more of the following HVAC conditions: ?Uneven temperature or air flow between the vents. ?Little or no air flow from the vent(s). ?Improper MODE control function. Additionally, some vehicles may store one or more of the following HVAC servo Diagnostic Trouble Codes (DTCs): ?B1441 ? Air Mix Damper Control Servo Motor Circuit (Passenger Side). ?B1442 ? Air Inlet Damper Control Servo Motor Circuit. ?B1443 ? Air Outlet Damper Control Servo Motor Circuit. ?B1445 ? Passenger Side Cool Air Bypass Damper Control. ?B1446 ? Air Mix Damper Control Servo Motor Circuit (Driver Side). ?B1447 ? Rear Air Mix Damper Control Servo Motor Circuit (Driver Side). ?B1448 ? Passenger Side Face Servo Motor Circuit. ?B1449 ? Rear Air Outlet Damper Control Servo Motor Circuit. ?B1457 ? Driver Side Air Outlet Damper Control Servo Motor Circuit. ?B1458 ? Passenger Side Air Outlet Damper Control Servo Motor Circuit. ?B1486 ? Driver Side Air Outlet Damper Control Servo Motor Circuit. ?B1488 ? Rear Air Mix Damper Control Servo Motor Circuit (Front Passenger). Follow the procedures in this bulletin to address these conditions.
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 10187252?
Some 2016 ? 2017 model year LX 570 vehicles may exhibit one or more of the following HVAC conditions: ?Uneven temperature or air flow between the vents. ?Little or no air flow from the vent(s). ?Improper MODE control function. Additionally, some vehicles may store one or more of the following HVAC servo Diagnostic Trouble Codes (DTCs): ?B1441 ? Air Mix Damper Control Servo Motor Circuit (Passenger Side). ?B1442 ?.
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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