# Service bulletin TechTalk5628

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: 10181943
- Published by NHTSA: 2020\-11\-02
- Manufacturer's number: TechTalk5628
- Manufacturer's date: 2020\-10\-14
- NHTSA component: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

## NHTSA's summary

Tech Talk discussion on Cummins fault 4769. DEF tank level sensor fault.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181943-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181943-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2020 FREIGHTLINER BUSINESS CLASS M2

JSON: [/v1/bulletins/10181943](/v1/bulletins/10181943)

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