# 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.

- Type: Service bulletin
- NHTSA id: 11034018
- Published by NHTSA: 2026\-06\-22
- Manufacturer's number: SB2026
- Manufacturer's date: 2026\-05\-06
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034018-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034018-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- THERMO KING RLF2E

JSON: [/v1/bulletins/11034018](/v1/bulletins/11034018)

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