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Service bulletin SB2026

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 id11034018
Published by NHTSA2026-06-22
Manufacturer's numberSB2026
Manufacturer's date2026-05-06
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Thermo King engineering and regional managers have observed instances of thermal overload breakers tripping under high ambient temperatures. Thermo King has determined that it is permissible and advisable to set the thermal breakers to their maximum setting and to ensure that the most current firmware is installed on the unit

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

Electrical system

Vehicles listed
THERMO KING RLF2E

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