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Service bulletin L-SB-0048-19

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10170195
Published by NHTSA2020-01-13
Manufacturer's numberL-SB-0048-19
Manufacturer's date2019-12-23
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

TSB: Some 2020 model year NX300h vehicles equipped with a 2AR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P013A (Oxygen Sensor Slow Response ? Rich to Lean Bank 1 Sensor 2). This condition may be caused by a leak from the exhaust manifold to front pipe donut gasket. Follow the Repair Procedure in this bulletin to address this condition.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler

Trouble codes named

P013A

Vehicles listed
LEXUS NX HYBRID2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.