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Service bulletin T-SB-0156-19 Rev

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 id10178778
Published by NHTSA2020-08-24
Manufacturer's numberT-SB-0156-19 Rev
Manufacturer's date2020-07-09
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING

NHTSA's summary

TSB: Some 2017 - 2020 model year 86 vehicles with automatic transmissions may exhibit one or both of the following conditions: ?MIL ON condition with Diagnostic Trouble Code (DTC) P0300. ?Rough idle at cold start noticeable when engine coolant temperature is around 50°F (10°C). 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, Transmission and driveline, Automatic transmission

Trouble codes named

P0300

Vehicles listed
TOYOTA 862017, 2018, 2019, 2020

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

Recalls for the same vehicles and component
16V9200002016-12-21. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.