# Service bulletin L\-SB\-0010\-22

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.

- Type: Service bulletin
- NHTSA id: 10211803
- Published by NHTSA: 2022\-05\-16
- Manufacturer's number: L\-SB\-0010\-22
- Manufacturer's date: 2022\-04\-08
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

TSB: Some 2018 ? 2019 model year LS 500 and LS 500h 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 \(DTCs\): ?B144A ? Air Outlet DEF Damper Control Servo Motor Circuit ?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 ?B1446 ? Air Mix Damper Control Servo Motor Circuit \(Driver Side\) ?B1448 ? Passenger Side FACE Servo Motor Circuit ?B1453 ? Air Outlet Damper Cool Control Servo Motor Circuit \(Driver Side\) ?B1454 ? Outlet Damper Cool Control Servo Motor Circuit \(Passenger Side\) ?B1455 ? Air Outlet Damper FOOT/DEF Control Servo Motor Circuit \(Driver Side\) ?B1456 ? Air Outlet Damper FOOT/DEF Control Servo Motor Circuit \(Passenger Side\) ?B1457 ? Driver Side Air Outlet Damper Control Servo Motor Circuit ?B1458 ? Air Outlet Damper Control Servo Motor Circuit \(Passenger Side Front A/C Rear Air Flow\) ?B148A ? Air Outlet Rear FOOT Damper Control Servo Motor Circuit \(Driver Side\) ?B148B ? Air Outlet Rear FOOT Damper Control Servo Motor Circuit \(Passenger Side\) ?B1486 ? Driver Side Air Outlet Damper Control Servo Motor Circuit ?B1487 ? Air Outlet Damper Control Servo Motor Circuit \(Passenger Side Front A/C Air Flow\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211803-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211803-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Equipment and accessories, Heating and air conditioning

## Trouble codes named

B1441, B1442, B1443, B1446, B1448, B144A, B1453, B1454, B1455, B1456, B1457, B1458, B1486, B1487, B148A, B148B

## Vehicles listed

- 2018 to 2019 LEXUS LS HYBRID
- 2018 to 2019 LEXUS LS500

JSON: [/v1/bulletins/10211803](/v1/bulletins/10211803)

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