Service bulletins for the 2012 Lexus HS
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.
29 on file from NHTSA, as of 2026-10-19.
By type
By component
| L-TT-0121-13 | 2018-04-02. Service bulletin. EQUIPMENT. MY 2013 Gen 7 navigation systems use a USB SST to update the firmware and map. MY 2014 IS and GX models incorporate a Gen 8 navigation system that uses a USB stick to update the firmware ONLY. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability. |
|---|---|
| L-TT-0218-17_Rev | 2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory. 1. First type is generation 6 or 7 which utilizes HDD (Hard Disc Drive). Pioneer models that begin with NXH, have Map Data, Operating System and other Information in the Hard Disc Drive. With this system if a radio is being sent back for an exchange. The original Hard Disc Drive needs to be removed and installed into the newly serviced radio. 2. The Second type is Generation 8 Navigation system which utilizes the Micro SD Card. Pioneer models that begin with NXF, have map data in the Micro SD card. This is a customer accessible Micro SD card which can be found behind the front flip cover. The original Micro SD card should be removed and installed into the newly serviced radio. |
| ZLI_Lexus POL17- | 2018-04-02. Service bulletin. EQUIPMENT. Warranty Policy Bulletin: Lexus has received reports of customer concerns in which their vehicle?s halogen low beam headlamp bulbs lifetime is shorter than expected. |
| L-SB-0171-17_Rev | 2018-03-12. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING. TSB: REVISION NOTICE ? The Required Tools & Equipment and Repair Procedure sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 ? 2012 model year HS 250h vehicles may exhibit a condition where a halogen low beam headlamp bulb lifetime is shorter than customer expectation. A modified wiring harness is available to address this condition. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.