# Service bulletin US51\_3, 4

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: 10211295
- Published by NHTSA: 2022\-05\-07
- Manufacturer's number: US51\_3, 4
- Manufacturer's date: 2022\-04\-01
- NHTSA component: EXTERIOR LIGHTING; EQUIPMENT

## NHTSA's summary

MACK DEFENSE\-Park Lights Trailer left and right relay, High/Park Lights Trailer left and right relay, Low

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211295-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211295-9999.pdf)

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

## Components

Equipment and accessories, Lighting

## Vehicles listed

- MACK MILITARY VEHICLE

JSON: [/v1/bulletins/10211295](/v1/bulletins/10211295)

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